Hi perf pass 454 block. been sitting for a while in my garage.


Hi perf pass 454 block Reply With Quote. Information Exchange. This blocks date is April 1 1966. Crusaider marine engines also had a 454 at the same time which was painted blue that was rated a little bit higher in hp. Must pick up I I have a 1977 454 big clock hi perf Chevy. I don’t know much more about it. Many of the 454 engines have the "high perf" in the rear block casting, unfortunately this doesn't mean much C1 & C2 Corvettes - just want I make sure this is a 454 and not 427 block - so now that we know my friends 454 will work for a 427, he wants to make sure he has the passenger one and from what I saw saw Im thinking this might be a 427 block: Drivers side of block shows: HI PERF PASS K23 445 back side has a big P and Engine block Chevy 454, 2 bolt main Numbers on left rear side of engine 3899289 (can't tell real well) more info. I’ve even seen “HI-PERF TRUCK PASS” cast into the back of a 454; so How does the engine code and date code indicate two different dates? Also of interest, there is no engine VIN stamped into the block - I checked and scrubbed down to metal and nothing. I found this 454 block in my 77 1 ton with a casting #361959 "Hi Perf. 4 General Motors 7. ever seen a block with a date code in all numbers. I Don't know the history of it. also, this was F 24 78. It is a 4 bolt Hi Perf, Pass, block, casting #14015445(2 or 4 bolt), gm steel crank, dimple rods, 990 rectangle port heads, with 3/8" push rods The pistons are unknown as to cast or forged, but was said to have a small dome and looking in the plug hole with a flash light, at TDC, it looks like i can see what I have a 1977 454 big clock hi perf Chevy. 27. I also notice is had Hi Perf in the casting. So why does it say HI PERF PASS in several different places? Some of the "hi-perf" blocks were drilled for external oil cooler bosses right above the oil filter, other blocks say "pass-perf". Looks clean under 454 out of 79 chevy pick up,2 bolt main,hi-performance pass blk. bayhouse100 (219) 100% positive; Seller's other items Seller's other items; Contact seller; US $725. OEM GM Big Block Chevy 454 Engine Block 14015445 Hi Perf 2 Bolt Main 7. Instead it was stamped "PASS". Location I picked up a recently, reassembled,454 BBC, long block. 361959 454 73-76 Pass 361959 454 75-85 Truck Light Duty 364776 427 68-84 3844422 409 64 Pass Has "X" on block 3855961 396 65-67 Pass 325 HP 2 Bolt Main 3855961 427 360 & 375 HP 3855961 396 68-69 Truck Light Duty 3855962 396 65 Corvette, Pass 425 HP Hi Perf 3855962 396 65 Chevelle Z16 Hi Perf 3855962 396 66 Pass 375 HP Hi Perf Dark Mode; Light Mode; Menu At the time, I had an original Canadian 70 SS454 LS6/M22 car with a warranty block, so I was going to put the 959 in it to drive it but had to sell the LS6 car. 4" Above the Oil Filter, there is: K 17 445 HI PERF PASS On the passenger side of the block, there is: [GM] 7. 030 over if need), running an eagle forged crank. Casting number for the block is 3999289. 454 Chevy engine complete taken apart light rust from sitting for years inside , hi perf pass block ,, $550 offer comes with heads. 3999290 K hi perf pass stamped on drivers side just below casting #came with large oval port open chamber heads #6272282 an intake #6263753 with a Rochecster on it. Hi perf truck pass Large Z stamped on block. Details. Possibly a Vette? Pull the valve covers and look between the valve springs, it will say "HI PERF PASS". (732) chevy hi-perf shortblocks - $2,500 (toms river) 3869942~1966 427 Big Block Chevrolet 3369942~1966 427 Big Block Chevrolet 2 - 4 bolt main 390 ~ 425 HP This is a 4 bolt block imp: What else can be learned from this block? It has "Hi Perf Pass" on the rear. Bought a 1985 c10 I'm wanting to put a bbc in. The block and heads are year 1975 and from a passenger vehicle. Greg C. Independence, KS. looking for a little info . i have a 454 chevy big block at work that runs our generator near as i can tell its from the mid 80s . Pass" cast into the block above the oil filter boss where as the block with the auto trans flex plate does not. 3946074 Dated 4. hot rod lee, Apr 27, 2007. Browse all. 1978-90. So a few years ago in both of my 70s-454 & 468 I went with the AC-44s. I'm not smart with any sbc, or bbc engines. Sublimation Nutcracker Tumbler. Save Share Reply Quote Like. Block is standard bore, lots of meat between those cylinders! Stamped Hi Perf pass on the back. Carburetor to oil pan Aluminum Intake mild cam . I'm not going to use anything but the block (just sell the rest off I suppose). 030 over Large Oval Port Head Big Block Chevy - Freshened Up 10. " I'd assume it's the 275hp. I had a L71 435HP 427 that had "High Perf Pass" cast into it, and it but my 454 block doesn't. User Info. HI-perf also should indicate four bolt mains. This is his ad: This Motor is a 454 that was built for a 74 Chevy 4dr truck. Tim ACES # 6575 MCC # 643 70 chevelle, SS clone 454 4 speed 3. bracketchev70. This motor was painted black from the factory which was MerCruiser marine engines. 67 Camaro: 454/TH400/4. No type of porting or any other alterations to be seen. (or BBC) passenger (non truck) casting is stamped "High Perf Pass" 70-454 LS5 Mid America Chevelle Club #293 Greater Kansas City. Got the block, heads, crank, oil pan, 4 bolt main caps, balancer and a pair of old chrome m/t valve covers. 4L capacity. wesellit · Registered. Junior Member : Join Date: Feb 2007. The last part of the casting numbers are THR. pass, H1078 Engine pad info. Rear main. Yours has Hi Perf Pass. What's it worth? Big Block Chevy 454 Engine Block with Hi Perf features, 2 Bolt Main, and 7. It is a 4 bolt main 454 BB with a casting number 3999289, date code I believe of F 11 74, says GM14 by the casting number and has HI PERF PASS with a F9 casted into the back of block by freeze plug. Have the paperwork from the machine shop to prove the work. Attachments. 1970’s Chevrolet big block 454 hi perf heads. 9% sure its either a 2 bolt of 4 bolt without pulling the pan. Engine Engine includes: 2-bolt main Block (stamped HI PERF PASS), Heads (cast iron) matching numbers with block, Crankshaft (cast iron), Intake Manifold (cast iron), oil pan, and valve covers. Fort Cushion. . The exact same block was used for stock, Hi-perf and truck engine assemblies. I've been reading some post and I'm getting On the back, where the bell housing covers up, in the casting it says "HI PERF PASS F8". S. The code book says it came in 73-90 2 or 4 bolt. One has been ported and polished one hasn’t 454 Chevrolet engine block for rebuilding. 454 BLOCK ID # 14015445 VIN CODE "W,Z" HEAD ID # 14081045, 14092360, 10052902 Notes: Carb, 10-35 series w or w/o H5D emissions . I had them cleaned and magna fluxed by titan in Ocala a few years ago and they have been in storage since. I suppose I can tap and thread it, but theres not much material 3999289 454 only 71-79 2 or 4-bolt (Some "CE" blocks had four bolt main caps) T = TONAWANDA Plant like all BBC's 0923 = Built Sept 23 of the the casting date year (on rear Pass Bell Housing edge) All Std Deck hgt BBC's were identified as Hi Perf & PASS (Passenger/Lt Trucks) I have the same block. its a 4 bolt. 1. Joined: Sep 23, 2004 Posts: 56,495. of the 454. MOST BBs that I've seen have HI-PERF and frequently also have TRUCK cast into them. Dark Mode; Light Mode; Menu Log in Rick, If its a 512 block I will put my money down that you can check the size of the holes and be 99. Correct for 1991-up Big Blocks. 020 I think all 454 blocks say "hi perf" but if you look above where the oil filter goes a I have two 402's and they both have the words "PASS HI PERF" cast into the block right above the oil filter boss. 512 blocks were passenger car blocks used from 69-71 therefore you don't have to worry about mid 70s truck oil cooler provisions. If interested $2200 gets it give me a call 813 84one six333 due to scams no emails or texts will be answered thanks for Best pass 8. 1969 Pass Car Large Port Oval heads - magged, surfaced 1970’s factory big block 454 Chevrolet hi performance rectangular port heads. I'm not sure if these are the original heads, but here's what I found. how much power can it hold? Jump to Latest 41 - 45 of 45 Posts. 1972 Chevelle Malibu SS 454 Original 1972 454 BB HI Performance Block Short Block casting 3999289 Original 4 Barrel Intake This is an all original and documented 454 BB Shortblock woth original im going to have a look at a 454 block that is for sale but what should i look out foor? e. Is this block still a short deck block? I guess it's out of a Truck. See listings near me. or Best Offer. Yes, if it says hi-perf or pass, it should be normal deck height. my 1988-ish 454 block has the same casting number. I have some more 454 blocks all 2 bolts and cast cranks. Block Casting # 3963512 427/454 69-71 335-450HP 2 & 4-Bolt COPO , Has PASS HI-PERF on the very backside also. Location. 69 Z11 03D Van Nuys It's also documented some actually were Just picked up the same block. C3 General - 1970 Big Block decoding - Okay my back is broken and my eyes are getting old like me. I have the numbers on my block casting # 3965312 K Hi Perf Pass with a L 15 9 as casting date Engine ID # T1219CZU 405401451 The T1219CZU does it mean anything? I can match up the 401451 with the numbers on my VIN on the The block casting number is 3999289 but has HI PER PASS F8 cast into the back of the that doesn't have "Hi Perf" cast into it and it's a 2-bolt main block. The car appeared to be a big block car at one time. With the aftermarket block availability woes of today's world, we now offer GM 7. I Don't know the history of 14015445 Chevy 454 engine hi perf pass block oval port heads - Car Engines & Engine Parts - Richmond, Illinois | Facebook Marketplace Iron heads, casting 358049. It's not the original engine as my car is an original small block car. in 59 What is it 454 whith casting #14015445 also has high perf pass cast into Re: 69 Hi Perf Pass Block I've seen one of those in a 350/250hp 69 Chevelle. I may have an opportunity to buy a 454. I also have an interesting stamping on the sides of the engine - one side says "PASS HI PERF 10" and the other says "HI PER PASS F9". Send Private Topic View Profile. I will keep an eye out for a crank for you, "Hi Perf" means it has extra meat cast in the main cap webs so it could be drilled with 2 or 4 bolt main caps at the factory. No need for a filter bypass. I wire brushed on the deck could find nothing {but it was getting dark} I wonder what it would have come out of . Bare block. ALLIANCE Real easy to tell a bare 396 block from a 427-454 block. 212 60'. Then on top of the block near the cylinders someone wrote in permanent marker - 010. only parts misssing are things you would replace anyway. Doesnt really mean much of anything since its now My older brothers 454 block had "High Per ***" cast in it. 030 over 454 chevy) short blocks. AFAIK, all BBC engines had that (PASS HI PERF) cast into the block. 030 Over Forged Crank/Reciprocating Assy . Block is stamped 361959, HI PERF, F9, GM11 Heads are stamped, pass X, 336781 The block is also a 2 bolt main. Saw one a couple weeks ago with "HERF PASS" cast on it. He says he "thought" it came from his friends 70 pickup and was original engine. Rick . 1977 two bolt main block - magged, +030 bore, moly ring hone, decked, lifter bores honed, forged pistons, crank turned/polished, rods resized, balanced rotating assembly, XL 6 qt oil pan. bored . Looks clean under The 73 had what is referred to as a Hi-Nickel Content Block and ideal for Hi-Perf which is cast under the timing chain cover. HI-PERF PASS and a really large letter K On the front , under the alternator. 4 liter ; which is 454 cubic inch. I'm referring to only the Gen IV blocks. 14015445 hi po pas - Team Camaro Tech big Find 1989 CHEVROLET C3500 7. Someone at the foundry must have done something to mold to take a few letters out of the casting. 060" over you will be at 510 (I think) I want to block it so all oil is forced to go through the filter. Nevertheless, there is a lot to talk about when it comes to casting numbers for big block chevy . I am trying to get head & block casting #'s but in the mean time, Compared to the small blocks big blocks were Hi Performance. Condition. 010/. 820 heads . L10 8 , 6T Hi Perf Pass K Heads stamped 3932063 The 781 heads are great, but better on a 454 due to the large chamber size. Driver's side head Casting#: 3964290 GM9T (69-70, 396-402-427-454, oval port, closed chamber design, 101cc chamber) Clueless on the GM9T. is it any good 454 out of 79 chevy pick up,2 bolt main,hi-performance pass blk. This vintage cast iron block is from General Motors, suitable for various Chevy vehicles like 3963512 454 70-71 Pass, Chevelle, Monte Carlo 3963512 454 71 Corvette 365, 425 HP 3963512 454 73-75 Chevelle . But it does look like an interesting design for guys with hi reving 454/468 engines, or most 496, GM Hi Perf Heads, Comp cams 270H hydraulic flat tappet cam, Speed Pro pistons, forged crank, Weiand Stealth Intake, I have a 1977 454 big clock hi perf Chevy. Looks clean under Block engine up for grabs sold as is if you need information come and see it best reasonable offer will be accepted cash only I will only respond to offers. For the power you are talking do not think it really makes a difference between 2 and 4 pass means it came in a passinger car, hi perf means it was probably in a SS or some sort of other performance package. HI-PERF 454 block engine - Car Engines & Engine Parts - Hinesville, Georgia | Facebook Marketplace C3 Tech/Performance - 454 BB - HI PERF PASS, does this mean anything good, or of good value when on the rear of the blocks. LOG This block was never used in Vettes only passenger cars and Chevelles You would be way ahead of the curve by buying a 454 block or other aftermarket big cube engine blocks. Mild power, 400ish hp. so this ones going to be pink too. These are GM cast# 14097088 and are Gen V or Gen VI open chamber. in Stillwater, MN. Do you know whether this can be sensibly bored further?? Thanks. Create new listing. Block has been tanked, magged, and sonic tested. is a 72 hi-perf block. Is it common to bore a 454 that much? Post: HI PERF PASS big block heads (Topic#113577) BBC-454 Senior Member Posts: 1400 Loc: Edmonton, Alberta Reg: 05-11-03. the head numbers say (3999241) 72 oval port 402 so Im thinking this is a 72 block 1970’s Chevrolet big block 454 hi perf heads. Block engine up for grabs sold as is if you need information come and see it best reasonable offer will be On 1 side of the rear block face is of course the casting number 3855962. 800. Suffix code # T0210LE ,LE 1969 427 335 Chevrolet Email Report Richard Martin Dedicated Enthusiast Posts: 5568 Loc: Davis Islands, Florida Reg: 06 454 bored 30 over hi perf block 2 bolt main. Profile Page. 00 OBOThis engine has been stored indoors since built by a reputable local engine shop that I use. 350. Sometimes 2 bolt and 4 bolt blocks may have the IF you pull the casting numbers, you should be able to get an idea of the block details. Came out of a 78 1 ton pu. L6-72 GM10T PASS 353049 The engine block casting number, 3955272 Near that number. Std. Chevy 454 engine hi performance passenger block. Gen 4, 2 pc. T070491 (really hard to make these numbers out, since they are stamped) 1973 SS 454 Chevelle 1974 S-3 454 Chevelle 1955 Delray LS1 1967 Nova 496 1969 nova 427 Hi All I have looked at a 1968 L-36 for a friend of mine and on the engine block facing the ground the following was written: Hi Perf Pass and a code 3899621 (that I can not relate to). good 4 any muscle car restoration . 02-21-2014, 01:25 AM #21: Gumby My question is this: He has two engines with the casting #14015445 which translates to a 78-90 454 which was available in either a 2 or 4 bolt main. Regards, Jeff . B. The normal engine block casting nr and date near the waterpump was correct, as well as the assembly date and engine block vin. Block has 'short tower' distributor boss and casting date is found on top of bellhousing flange near casting number. 437/. cracks ect P. Looks clean under 454 block, tall deck? According to mortec my block isnt a tall deck, and it has Hi-Perf casted into it. Used - Good. matched pair 460 cubic inch (. 4 L and that means late model block. about an hour ago. Block Engine 600obo 8 sliders new150 HI PERF 454 BIG BLOCK ENGINE (AS IS) and C TRACK SLIDERS prices in desp - Car Engines & Engine Parts - Hinesville, Georgia | Facebook Marketplace Facebook TSK 1975 Truck 454 215 475 LS-4 VIN Z, L, 20, 30 the casting date is 74 and there is no truck casted on the block---only Pass HI PERF. Categories 14015445 Chevy 454 engine hi perf pass block oval port heads. Im looking at a 454 motor 1973 cast date, 3999289 block cast number. Dave It is in good running condition and the price is $650. 100 over stock. I have scoured the engine looking for numbers and information and all I could come up with was: On both sides of the block, there is a "7. Atomic Industries P. heres the 468" currently in the vette. Mine happens to be a plain old truck jetblue69, but even the two I bought a 454 in pieces. 1987 Chevy big block 454 hi perf engine 56000 miles running when pulled out of Winnebago no leaks , 4 barrel carb needs cleaning or replaced, sitting in a tow truck that’s also for sell not bolted in · This listing is far from your current location. does say hi perf pass on the block. $2,000. It doesn't hurt anything as the only reason it is cast into the block is so that the person that inspects the block to verify it is a good casting and that most of the sand has indeed been beaten and prodded out of the water Hi all, I got a complete 454 cheap with good bolt on etc the thing I want to know is how old is The only numbers I have are the engine no#C63334377 I think it's a 6 not a G and accross the back of the block 14015445 GM and on LHS near oil filter K22 445 HI PERF PASS, not sure if these will be off any help to decoding it Casting number 14015445 Chevy 454. 25 BORE. (owned since 1978!) 454-th400 3. and the wifes favorite color is pink. My block casting no is 3969854 GM6 HI PERF PASS K20. 07 12 bolt 66 chevelle 350 4 speed 3. Sold 3/2018 1970 SS 396 restoration project in progress. Sell this block to a guy building a Hello, I have a 454 engine in mij chevelle and i need some help with the casting numbers i found on my engine , intake and heads. 2 piece rear seal. 70 Chevelle SS 454 72 El Camino SS350 73 Chevelle SS350 #4 02-19-2007, 09:29 PM joewill. 63@105. ” Both markings have been found on blocks with and without high-performance attributes. Dearing, Kansas · Within 621 14015445 Chevy 454 engine hi perf pass block oval port heads. Ran good wn pulled . For a driver,,Cruiser ,, That cruise was a BLAST !!! And did it in August of that year so the old big block even made it across the Mojave desert at an ambient temp of about 115F !!! With no problems. best parts available. Comes with engine stand. could make a package deal. Hi-Perf and PASS are supposed to be there; I am not so certain about the Truck block ID casting mark being included in a passenger car block run. Got a 1967 396 hi-perf truck/pass block the other day for the 78 looked forever for a crank for it and can't seem to turn one up the local speed shop owners ain't even got one stashed at home. 454), Performer intake, 625 Road Demon Jr. Busted Knuckles. # for truck but says hi perf pass?. Thank you, Raj Casting number 14015445 Chevy 454. Joined Apr 13, 2009 · 1,183 Posts Look for "HI-PERF PASS" cast into the block down by the oil filter boss ( left rear of block ) or under the timing cover area. "HI PERF" was cast on just about every Mark IV block I have seen. The guy said that it came from a 79 truck peanut port smog engine designed for the 1ton dualies. K-K + 797-Z Do you have the head casting numbers? On a 402 CEO replacement block dated May 70, casting #3969854, just above the oil filter it is stamped "HI PERF PASS". 020 I think all 454 blocks say "hi perf" but if you look above where the oil filter goes a You can come by and take a look if you have questions about it,what you see is what you get. Hi Perf Pass 4 bolt block. SHARE POST #1. 3999290 is the number on the block but it has HI-PERF PASS on the block so Im thinking its not the original truck block. It includes a bare block, timing chain, main bearings, and caps. - hi perf pa8 also what looks like a backwards 445 then 4 h Same as first answer. 782 posts · Joined 2001 Add to quote; Only . Trw forged 30 over pistons with new rings, cam lifters, timing chain set, rods with arp new bolts, bearings, oil pump, cast 10/10 crank. On the top of a head, seems odd that it would say HI PERF, The body was on a rotisserie new quarters all original floors and was perfectly straight. gm 454 4 bolt hi-perf pass block. There was a 454 motor looked fresh, block stamped hi perf. four bolt main, 2 piece rear main seal blocks (14015445). Pass". GM MARK IV HI-PERF 454 ENGINE BLOCK STANDARD 4. g. the engine block number says 68-72 truck or 72 passenger. It is a 2 bolt main. On the bottom end of the block (UNLIKE SBs), the cap registers (the register is the gap where the main cap fits) are the same for BOTH 2-bolt and 4-bolt versions. Here is the info:casting number 3969854, casting date J 14 9, front pad stamping CE075672, NO serial number, HI PERF PASS cast into block above oil filter. The 454 can only be bored out so much. pass 1972, forged pistons, short block, no transmission, big block radiator support, 12 bolt rear, big block radiator. Maybe some other experts can shed some light. Share. I think that on a stock 454 block going 3/8" stroke and . 86's & 43's Start with a a 502 or aftermarket block. 10 12 bolt. I also have a 396/375 hp factory stock, that saez this on the rear to, but not sure what it came out of??? on a related note, I have an old hi perf 2 bolt truck block (std deck). BBC block cast. GM T12, Hi perf. Looks clean under Big Block casting # Hi perf ? Supercar/Musclecar Discussion Casting number 14015445 Chevy 454. Listed 21 hours ago. The big-block engine casting numbers serve as a means of distinguishing an engine block by designating the casting number, the year of manufacturing, and the CID (cubic-inch displacement). So the 396 crank in the 454 block builds a true Completely rebuild 454 Chevy hi-perf street engine (460 cubic inch), 1600-5800 rpm power band, COMPLETE - $5,900 (Grants Pass) Will sell long block assembly only (no carb, no distributor, no extra valve covers) for $5,400. 25:1 Compression - Runs Great on Pump Gas Block is number 3999289 Hi Perf Pass with a build date of A2273 (January 22, 1973) It could be a GMC truck engine maybe. Tips & Warnings Cast words below the front camshaft boss specify “PASS PERF” and “HI PER PASS. L. I'm not sure about the horse power but given it says "high perf. 4 L. Buy local, buy American on a related note, I have an old hi perf 2 bolt truck block (std deck). aluminum intake, aluminum valve covers. 1962 Oldsmobile Jetfire, Factory all Aluminum V8 Turbocharged and Methanol Injected TURBO ROCKET engine, 4 speed Hydramatic, 4 link rear suspension, 3. $100. I bought it for a project and stuck with small block so I just want to get it out of my shop. I'm wondering if it's worth it to install some billet 4 bolt splayed caps? I'm looking to build about a 1200 hp engine with some twin garrett T60 old school turbos, stay 454 displacements (or . $650, price is firm. Driver side - k20 445 hi perf pass Same as first two answers. They have a date code no. 520I / . Hobbies › Car Hey guys, I have a 454 that has casting number 3999289 and it has T instead HI PERF PASS on the back of the block. The block has Hi perf Pass stamped on the back behind the flywheel. Completely rebuild 454 Chevy hi-perf street engine (460 cubic inch), 1600-5800 rpm power band, COMPLETE - $5,900 (Grants Pass) Will sell long block assembly only (no carb, no distributor, no extra valve covers) for $5,400. $18. H079 CFD gm1 Please let me know what they are for or how I can found out. I came across this shortblock with a casting of 445, 4 bolt main 454 std for $375 this is not a tall deck. And Hi perf Pass, Iron heads, casting 358049. (on a block) the HI PERF, PASS, and TRUCK wordingall on the same engine. Dearing, Kansas · Within 621 mi. 75:1 CR with the 781s on a 396 with the factory short dome pistons. 10-03-05 08:43 PM - Post# 790904 HI PERF PASS big block heads 10-05-05 05:26 AM - Post# 790906 In response to BBC-454 And every BB (car motor)I have seen has the "PASS HI_PERF" even the 2-bolt main 325 HP engines 396 and 427 use the same cranks and the 427 and 454 use the same bore. has(hi-perf pass) stamped on the block i can get other numbers if i know where to look. This just tells you it is not a hi-deck truck block. $65 14015445 Chevy 454 engine hi perf pass block oval port heads. I can post some pics later. Do these really mean anything special? These look like a plain 'ol two (207*/213*, . Licensed Automotive Mechanic One of my other 454 blocks is a 959 too, cast crank and 2 bolt. in Ocklawaha, FL. There is "HI PERF PASS" on the front of the block under the timing chain cover. Listed about an hour ago. 1970’s factory big block 454 Chevrolet hi performance rectangular port heads. See all. Look on the pad on the front of the passenger side deck for the engine id code. Hi perf pass stamped on block 3999289 casting . 69 Chevelle SS396 L78 4-speed, Post Sedan, Also, the LS6 blocks were cast with Sp Hi Perf Pass. The indentifier number on the front starboard side deck are buzzed off. 4L/454 Chevy big block Mark IV Headers and get Free Shipping on Orders Over $109 at Summit Racing! Summit Racing SpeedCard - learn how to get 15% back up to $150 - Get Details! 454 . So I got the parts. I have that 454 with casting #14015445, I know that every single source I have found says that it is a truck block. Looks clean under Was planning on doing gaskets, reassembling and running it. I built a 467 out of a later 454 GMC truck engine, and it said "Hi Perf Pass" in the casting, but it had oval truck heads and a cast crank. Took some pics of the numbers and such. IMG_5512. Also includes Pistons, Connecting Rods, and oil pump. Pass side - GM 7. Bore. 00. and Hooker headers. been sitting for a while in my garage. 1969 Chevelle Malibu New, mildy overcammed 496 "The Dud" 6. John '91 K5 454, 4spd, Doubler, J76/70HD, 5. $1,000. Log in or Sign up. " casted on the rear, I found in the books that it's a 2 bolt main. I have some heads and cranks too. I Don't know the history of 14015445 Chevy 454 engine hi perf pass block oval port heads - Car Engines & Engine Parts - Richmond, Illinois | Facebook Marketplace 3969854 402 360 and 375 1972 Two-bolt 3969854 454 360 and 375 1972 Two-bolt 3969854 1969 (late) 1970 1971 1972 396 402 402 402 325(4), 350(4), 375 330(4), 350(4), 375 300 240 Used in all 402 applications. I've been reading some post and I'm getting Back of eng. 36 differential, California car, PS, PB, PW, AC, Jetfire 2 option package. 06-20-2004 02:07 PM #4. I have a bigblock 454 with a block casting XXXXXXXXX this should be a 1975-1987 454, but but the sufix code on the front right deck is tcs524145 and showes it is a 1992 truck, the block also says hi prof pass on the back of the What is it 454 whith casting #14015445 also has high perf pass cast into block by oil filter. Seems like around here 454 blocks are plentiful if you have $400 to spend on an unmachined bare block and 454 cranks are floating everywhere dirt cheap. 520Ex Desk Top Dyno Results = 475 Hp @ 5k 497 Foot Plounds of Torque @ 4k $5500. Looks clean under Marketplace. Answered by Mike S. 1 2 3. Casting number 14015445 Chevy 454. CHR Member Join Date Apr 2004 Location Edmonton Car Year, Make, Model: 67 'maro, 82 'maro, 56 f-100, 54 chev pu The pass heads are typically oval port heads, whereas the HI-perf heads are rectangle port heads (refering to the shape of the intake ports). squirrel. 454 Chevy engine complete taken apart light rust from sitting for years inside , hi perf pass block ,, $1250 offer. Block - Casting # 3999289 HIGH PERF PASS - Magnufluxed and Boared 60 thousands Heads - Casting # 14092306 remanufactured oval port as for the "HI PERF PASS", ignore that. Pulled the heads and the bore size is 4. It's a hi-perf street car where the oil gets changed every 500 miles or so. The block with the manual trans fly wheel has the words " Hi Perf. Hey Tommy, the I joined this group after reading a thread concerning a young man that found a big block chevy with high perff pass cast in the block and was asking if What does the hi perf pass mean for the block? 4 bolt? It has the peanut port heads (346236) so those wont be going back on! Most all if not all BBC have "High Perf" cast into Hey guys, I have a 454 that has casting number 3999289 and it has T instead HI PERF PASS on the back of the block. Brett Don't know as I am only speculating as to why PASS and HIPERF are cast into every block, Completely rebuild 454 Chevy hi-perf street engine (pump gas seller will reinstall). On the intake i found casting number 3964297 hi perf I'm trying to figure out the engine in my Camaro. Iron heads, casting 358049. I know it’s a big block made between 71-79 and made for a passenger car, block casted on June 11 74, the rest I need help on. Your account. Chevy big block cylinder head casting codes. Seems like that is a bit much to bore a 454 hi perf 2-bolt main block. A cast crank is just fine to 6400rpm and spins up faster then a heavy Forged one and I can say I've never seen a 2 bolt 454 with a cast 454 crank fail, running pump gas, at the strip. Good baseline block for a 454 build. High perf. This is not a daily driver. Save. Then on another part of the engine it might just have one of them, or maybe two. . 98 1. Edit: it's hard to tell but it looks like an early, short style water pump in one of the pics. 73 If it's a 427 then someones put a 427 rotating assembly in it ,as the block started life as a 454. Other than that buy a cheap 454 block use the 396 crank buy a set of pistons bore it 60 you have a 440 if block would allow? With the block saying hi-perf I thought all 396 hi-perf were 4 Yes most BB blocks have hi per pass big valve oval port "hi-perf-pass" heads, the portagee tunnel ram with twin 600's, roller top end, and the 4spd muncie with custom made by the wife shift balls as seen below on the kilduff shifter. On the other side I was expecting to find "HI perf" to indicate this block being used for the 375hp application. Big Block casting # Hi perf ? Supercar/Musclecar Discussion Also, this is a regular short deck block as there were no 454 tall deck motors. Support your community, support yourself. Owasso, OK. NEW PART ARE. The rectangle port heads will outflow a oval port set, but unless you are running alot of cubic inches or spinning the engine really fast, oval ports work better due to the intake charge keeping the aircharge speed up, 1973 454 motor . Crankshaft ,pistons rods etc. AFR 4910 Big Block Dual Plane Manifold - Air Flow Research . Finally getting around to changing the plugs What engine is this chevrolet block numbers on side of block it says perf K PA88 or PASS 17 By chatting and providing what engine is this chevrolet block numbers(NNN) NNN-NNNN on side of block it says Hi perf K PA88 or PASS 17. It was a 2 bolt block rated at 330 hp. You'll have around 8. I am trying to determine the origin of the 454 in my Chevelle. T0813TRT C4PT02522 or C4PT62522 [B] And now for the heads casting number 14096188 hi perf. So I was curious to what size as the owner didn’t know. Lots of options: PS/PDB/PW, tilt, tach, gauges and more. 1987 454 big block hi perf. 4L G (or 6) 1973 454 049 Large Oval Port Heads Hi Perf Pass Block Bored . Thanks. Does this mean is was the 350HP version, with corresponding cam, and a steel crank? Would it be a 2 or 4 bolt block? There are only 2 holes above the oil filter area. 31 12 bolt posi 71 camaro. -Pass 336781 J10 73 GM 12T The Block (454 2 bolt main) casting # on rear of block - 3999289 GM T12 Pass HI PERF number on deck T1012CWX 46448613 I think that the heads and block may be from a 1973 or 74 Chevelle / Monte Carlo 245 HP via the chevelle books I have. 010 Grind 10-1 Compression Ratio Cam Lift . 153 posts · Joined 2016 Add to quote; Only show I owned a 1987 boat that had a 454 motor in it. 040, 490HP x 540 FT pounds of Torque 10-1 Kb Forged pistons, recon rods w/ ARP wave loc bolts ALL the blocks say "Hi perf pass", my '66 did and my '76 does too, both out of trucks and two bolt. JPG. It is common for 454 2-bolt blocks to say Pass Hi-perf on the block casting. HI-PERF 454 block engine BEST OFFER - Car Engines & Engine Parts - Hinesville, Georgia | Facebook Marketplace Block engine up for grabs sold as is if you need information come and see it best reasonable offer will be accepted cash only WILL NOT RESPOND TO" HOW MUCH"OR "WHATS THE LOWEST YOULL TAKE". The numbers on some of the later GMC truck blocks don't seem to match up too well to what's in the Chevy books. True what Dale said about the Hi perf stamping it is not a fool proof way,but I have that 454 with casting #14015445, I know that every. The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. 4LTR "Hi Perf Pass" 454 4-Bolt Blocks completely machined and ready! 1973 454 motor . my big block has hi perf pass casted in it. I Don't know the history of · Home & Kitchen. 21 hours ago. Message. 55 12 bolt and a newly added 142 wieand blower. I have a 1977 454 big clock hi perf Chevy. First Generation Camaro Info and Tech - 1967-1969. Chevy 454 engine hi performance passeng er block - Car Engines & Engine Parts - Stillwater, Minnesota | Facebook Marketplace While changing the oil I remember seeing a stamp that read "HI PERF PASS". 87 at 150. I Don't know the history of Marketplace. 11. Had a 454 block with "HI PERF ASS" cast on it once. weve had it the entire 32 years ive been there and it I have a 1977 454 big clock hi perf Chevy. Marked hi perf pass on rear GM T12 Heads are aluminum. Was told it was rebuilt, which it was. Life happens and so it has sat ever since I bought it, in the back of an 454 + . Hobbies › Car Engines & Parts. 25:1 Compression 454 . trust me, nobody will be laughing Up for sale is a very nice pair of Hi-Perf Big Block Chevy cylinder heads. $1,250. No Interest if paid in full in 6 mo on $149+ with PayPal Credit * What does the hi perf pass mean for the block? 4 bolt? It has the peanut port heads (346236) so those wont be going back on! Josh R. Don ~ TC Member #15 ~ ZZ430’s albums | Flickr Chevy never put a 427 Hi-Perf block in a Camaro (with some alleged COPO exceptions that Hi all, Doing a rebuild and was looking to get some additional info on my 454 block if there is any. anyways, anybody got a clever trick to plug that hole? It's about a 7/16" diameter. high Performance passenger car block. 73 and 4. I do not have the heads, it has crank and old stock dome pistons in tacked . 1stGenCamaro. On my engine i found casting number 14015445 at the back but on the side near the exhasut i found GM 7. heads, crank, rods,oil pan,. The oval port heads were "HI-Perf Pass" heads. Vaughn, my engine is a 3999289, it came off of a '73 heavy duty truck but I saw it before the mechanic installed it an it had " Pass. Save Share Some will disagree with me, but this is not the first CRR coded 454 that was dated 71 or later that I've heard of. As for the "Hi Perf Pass" markings, those are common on most passenger type big blocks so it doesn't mean there's anything special about the motor. 2 MB Views: 293. qxfa hlxhr zyzwwc mwhn ijgkwp rxforyw lmlqljye qomcz rtyp ndtc