Ironhead timing 180 out

Ironhead timing 180 out. Correct gap set. ) Power - piston is moving down. It was produced from 1957 until 1985 and was replaced by the Evolution engine in 1986. #6 · Oct 20, 2009. ), The guy said, "Yep, that was the problem. Bisharp then jumps into the air and flies at the opponent, slamming into it head first; or, Bisharp's head becomes surrounded by white energy, making it seem black and white. Apr 22, 2015 · Trekker. May 20, 2024 · Bisharp lowers its head and the blade sticking out of the top of Bisharp's head turns into iron from the front to the back. Please enlighten me fellow hotrodders. Apr 2, 2006. Sandy's spot on: you need to ensure that the valves are closed on no. if it carb farts all over your leg, turn it clock wise. 0265 intermediate and . Sounds like battery is weak. Hope this helps. Then rotate counterclockwise until you feel it hit again. turn power on,gently rotate distributor clockwise Ignition Timing Symptoms. Gap when the test light is about to light up. When we got down to the cam (gear) we saw that the little cam mark was 180 degrees out (it was pointing straight up, instead of down). If cam was exactly 180 degrees out, then there would be no damage. It will only sit flush when correct or 180° off. 4. if the distributor has not been taken out it may be to far advanced. Is this close Jul 4, 2020 · When it's at the very top, the timing mark should be pointed at (or very close to) zero. Answer: Always go back to the basics, fuel, spark, compression and timing. Check the advance springs, weak or broken springs will cause electric start kick back and some backfiring. The cam turns 1/2 (NOT TWICE) the revolutions of the crankshaft. 2. If its 180 out, pull the distributor and put it back in so the rotor points to the #1 wire location on the cap. It would crank, but not fire. Jul 19, 2009. Apr 30, 2023 · However, as an add on, I honed the cylinders and replaced the rings. If you can put your finger over #1 and spin it over until it blows your finger off and then go back a hair it'll get you in the ballpark but taking off the valve cover will be more useful so you can see where the valve is at. Jun 22, 2022 · Crank goes around 2 times vs 1 times for the cam. #5. #5 · May 31, 2017. With a strange "popping", "bubbling" noise like air is passing back through the carb and fuel. 019@115. Jun 25, 2005 · phel69. Screw EI. "Too much" is, if it pings at low RPMs. Beyond that, virtually ALL SBC heads will run best with about 36° of "total" timing. 180* out means the distributor is spotted at the beginning of the intake stroke. Hey guys, we just tore the camaros front of the engine apart. In the past I've had a '69 Pontiac LeMans that fell out of time Jan 12, 2008 · 2. When my timing mark on the balancer is at 0 degrees on the timing mark, #6 cylinder is at TDC not #1. I have a mark by the timing plate for this. Mechanical simplicity, racing heritage, and customizability are Apr 23, 2009 · Sounds like timing. Remove the screw plug from the timing hole on the left side of crankcase. When you talk about the timing being off 180 degrees, these bikes don't fire every 4th stroke, the fire every 2 strokes. I checked the pushrods and the front was fucking CRAZY out of whack Dec 7, 2011 · My stock ironhead motor with stock pipes likes . Dec 1, 2008 42 0 0. Maybe even pull the cam sensors and make sure there's no debris on the front of the sensor. What an idiot, well, at least a brain fart. 180 Out is an American Christian punk and Christian rock band, and they primarily play punk rock, pop punk, and skate punk. Sucks getting old but it beats not getting old. If you had the chain off and turned the crank, damage to valves and pistons or crank would come to a dead stop. Pull no. If it's way off, the HB is bad. Even if the cam was out 180 degrees, no damage to the valves would occur. If the ignition timing becomes out of synch, the fuel-and-air mixture will not be burned properly. Nov 6, 2021 · Really, if you put the timing perfectly at "180 out" then it will also be perfectly lined up after one crankshaft rotation. I would start with maybe checking the camshaft sensor wiring and ensuring the connectors are clipped on tight. Sep 26, 2011 · When the ignition timing is set, cylinders no 1 & 4 need to be both at top dead centre at the same time. Ironheads ran good for years, before EI was even available. If so, no hit. 4 at this point, the timing is 180 degrees out. I know the top/cam timing gear has a marking, but I don't know how to tell if the pump is 180 out or not. The Harley-Davidson Ironhead is a retronym referring to an engine layout produced by the U. It's an Aussie Ford inline 4. If it moves a small bit it will be a bit out of time even though the belt is right. Trust the engine to know if the timing is right or wrong. Pull the plugs, then watching the timing mark put the #1 cylinder up on top dead center and see where your distributor is pointing. This is where you should time your standard engine. There's tons of different methods that you can use. The engine is a two-cylinder, two valves per cylinder, pushrod V-twin. All Ed Allyn did to make his Harvin (or whatever he calls it) cam time correct was to make a little drawing to keep things straight in his head. Mark the balancer with a sharpie or something that you can see but comes off later. #1. It will give you a nice loud backfire when you try to start it with the dist 180* off though. On a '94 with the seperate magnetic cam and crank triggers it shouldn't be a problem. Aug 28, 2006 · As you may not know the top timing gear is exactly twice as big as the one on the bottom! So the IP turns 1/2 the times the crank does. It runs fine like this, I just rotate the distributor 180 degrees so it fires #6 first. 1 wire. That's your static timing. If you lign the marks then rotate the camshaft 180 degrees, the crank ends up in the same place, It makes a full roataion. 2001 Jetta ALH 5sp stock. If it is 1 tooth off - you have to start over from #1 TDC - cam lock slide shimmed in - cam sprocket loose - tensioner loose - wrench the inj sprocket 1 tooth and get pump lock in. Jun 18, 2018 · Head gasket job in its final stages. Jul 24, 2003 · 11 posts · Joined 2003. The time now is 04:15 PM. If you are nervous of that, turn the crank until the #1 piston pushes air out, The timing marks should be close to lining up, make sure the #1 spark plug wire post is under or near where the rotor is pointing. You can confirm this by rotating the engine clockwise and wait until you feel air coming out of the #1 cylinder. Let me correct my statement. Pulling on the handle can be extremely frustrating to any level of golfer. Ignition timing 180° out : Only remove the distributor, turn the bottom gear 180°, put it back in place. Raise the rear wheel of the bike off the ground and secure it. These include the top end, bottom end, transmission, clutch, carb/fuel, oil pump, and electrics (distributor, generator). Vertical mark in the center of the hole. So now the question, what are the symptom's of this? Will the engine run? How will the vacuum read? Will you be able to drive it down the road? on the highway? Would it burn the tires? a little maybe? I am thinking it would not run, seeing there is nothing to burn fuel wise. 0/429, 7. Oct 24, 2017 · No, I understand how timing works. Aug 14, 2012 · remove the camgear from the camshaft. key on, rotate EI unit clockwise until red light goes out. You may need to adjust the plate til it runs best from there. The blade can move and when you tighten the pulley it can repunch the holes. Once this is corrected it should be right. A few days ago my car wouldn't start. I brought her home and she fired right up but only on one cylinder. Oct 20, 2009 · 703 posts · Joined 2006. " So he pulled the timing chain off, rotated the cam 180 degrees, and put everything back together. Jul 10, 2017 · All times are GMT -4. Your timing may be off but the distributer is not in wrong if it runs. The pic above shows mine when the vertical timing mark is in the center of the sight window on the left side. firm between 1957 and 1985. Checked distributor and plug wire routing orientation and found correct. Remove the front intake push rod cover so that the opening and the closing of the valve may be observed. Might even help to take off the distributor cap for reference if you're unsure. You do have a shop manual,right?? Jun 6, 2022 · Cam 180° Out? Watch on. Bike turns over barely. Apr 26, 2023 · Here's one way to install the points. Feb 25, 2009 #1 Feb 25, 2009 #1 just went to start Apr 28, 2023 · The Ironhead engine, produced from 1957 to 1985, is known for its sleek appearance and compact design. I. Right-Side Engine Case (1977-1985) One of the updates to the 1977 Sportster was the pinion shaft bearing assembly. Apr 6, 2003 · timing 180 out. It may go in just a little before that point and they Jan 4, 2019 · if the valves are open ,you're 180 degrees out,rotate engine till both valves are closed and timing mark lines up. Mar 9, 2005 · I think it is only possible to have it 180 degrees off if you have the combined crank/cam position sensor hanging off your rear head. For troubleshoot, brought #1 piston to TDC on compression stroke and verified mark is exactly 180 degrees out. the front plug is black and sooty and rear plug looks brand new. CLIFF NOTES: Bike only runs with the electronic ignition turned fully clockwise at full advance. This is TDC on the compression stroke. He can do the dual plug mod but often times he recommends "power slotting" the pistons. Like and subscribe if this Jun 2, 2008 · "Timing for dummies"In this video I show how I gap the points and set the static timing on my 1975 XLH-1000 Ironhead Sportster. 0L 6cyl. Aug 14, 2007 · The group owner is an ironhead guy who builds drag bikes. Ignition timing plays a critical role in the efficient operation of an engine. When replacing, the pinion bearing gets pressed in and out of the right-side engine case. The 1977-1985 assembly (HD #24648-77) is "caged" and is a whole lot easier to install than 1957-1976 engines with 13 loose roller bearings. With twin plugs, I don't think you can retard 7 deg. be sure the number one wire has the rotor pointed to it on top dead center of number one cylinder. Luckily not done any damage, but what am I doing wrong or missing, when I put it back together. It's less expensive and he claims it's just as effective. First of all take off the air cleaner and make sure the accelerator pump squirts gas; if it doesn't suspect a fuel supply problem. Sep 26, 2019 · You struggle with distance control, hitting the same iron 180 yards on one shot, then 205 yards on the next, then 160 yards . A little run down on my bike, Crane Hi-4N electronic ignition (single fire coil, mode "8" single fire May 24, 2008 · TDI. Jun 5, 2010 · To set the timing on your engine, you'll need a way to lift the bike off the ground and an electronic timing light. 029 and . Oct 5, 2014 · Well-known Member. Remove the point plate and the point cam bolt. dwschopshop. 018 on the small lobe and when I Jan 29, 2005 · Bought a project rig and am going through it and found the timing mark on the harmonic balancer is 180 degrees out. E. However, they differ in terms of displacement size; the Ironhead has an 883 cc or 1,000 cc capacity while the Shovelhead is available in either 74 cubic inches (1,208 cc) or 80 cubic inches (1,340 cc). Got the oil pump/breather gear timed (see last video) and now it's ready for the camshafts. Now everything is back together but the engine will not start. Thanks Aug 21, 2012 · Figure 3-30 in the factory service manual shows how it should be. Sep 3, 2015 · If the dist. Battery, cables, ignition and starter have been changed. There's a second set installed and timed after the first Jul 17, 2007 · Interests:1945 Farmall M, 1956 International 300 Utility. So after pulling the front of the motor off (water pump, timing chain cover, etc. Here is a quick video of how it idles Jul 1, 2013 · 1999 Legacy Outback EJ25 180 degrees out of time? I've been noticing hesitation while accelerating with my 1999 legacy outback with unknown number of miles (139000 on odometer, which works occasionally). Best thing to do is just check it per the FSM and install correctly if needed. Still tons more t Jun 14, 2011 · 243 posts · Joined 2009. But, being 180 degrees off you wouldn't have any interference problems - instead, you'd have the wrong valve open on the wrong part of the cycle. This powerplant succeeded the KHK engine, had a top speed of 110—143 mph (177—230 km/h), and was the 1st OHV mill produced by HD for its Sportster line. Re: setting ignition timing on a iron sportster. When you time on the advance mark, you leave the points cam retarded, since the cam will advance when the motor is running. I checked for spark and the lead to the rear cylinder is firing bright. Jun 17, 2008 · Great explanation. If its been punched far out of place it can sound like it is running on 2 or so cyl. The crank and cam marks should be lined up and the inlet lobes of the cam will be pointing 'up' and 'rearward' when you've got it right so there will be clearance on all the valves. Mar 9, 2023 · Grinding away on the bottom end of this XLCH. Question: If timing marks are aligned on the crankshaft pulley and both camshaft pulleys, is it possible to be 180 degrees out on any of the pulleys, or is it idiot proof? Oct 18, 2003 · C3 Tech/Performance - How can you tell if timing is off 180 degrees?? - Here is my situation- I just put my 383 in and am trying to fire it up for the first time. They come from Escondido, California. When his finger starts to build pressure, the cylinder is in the way up to the right spot. you are intaking from the exhaust and exhuasting out Jan 4, 2013 · Your timing was probably off, period. Jun 10, 2019 · 2,149. #1 & #6 Pistons are at TDC at the same time; however, one will be on the Compressions Stroke with both valves closed and the other cylinder will be on Mar 11, 2011 · R. Both pushrods relaxed and both valves closed. All cam timing marks correctly positioned. Click to May 22, 2010 · Camshaft timing 180° out : You'll have to remove damper, water pump, timing cover. Setting up the ignition timing on my 1970 Harley Davidson XLCH Ironhead. vertical mark = TDC on rear = 45 deg advance (full advance) for the front. by maidenfan » Tue May 18, 2010 10:07 am. Now won't start at all. 56) Apr 1, 2011 · The 180° out of time thing is attributed to a conventional distributor when during install it was possible to get it 180° out of phase because of the oil pump drive. Timing the Engine: 1. rotate engine until TDC mark on compression stroke is in the timing hole. ) Compression - piston is moving up. Thread starter red1995gts; Start date Feb 25, 2009; R. #5 · Jun 15, 2011. 180 degrees on the dizzy drive = 360 degrees on the crank so can't be that. my bike is fine at start up, until it warms up after a few minutes and then oil starts out of the cam cover breather, slow at first and then pretty heavy. 2739 posts · Joined 2003. Apr 20, 2024 · Not out of time but won't start. Put the transmission in high gear. Sep 3, 2015 · Without disturbing the distributor (I don't care for the term 'dizzy') it seems the Inital Timing is about 180* out. #3. 1 that is the cylinder which should be sparking. Ask me how I know. As I installed all that I noticed that when I set my points gap I would get a different reading from small lobe to big lobe. S. 074 is a good starting point. you may have to use the screwdriver to get the gear back on. red1995gts New Member. 002. 028 and . install 2 screws and use a screwdriver to flip cam position 180 degrees make sure the T on the flywheel is at the top notch in the case and the camgear *** matches the line and add the chain. The first mark that shows up is the advance mark, the second is the tdc mark. Jan 18, 2017 · OK, here is something that is funny, but it is the truth. When your thumb gets popped off, turn the balancer by hand to 0 in the shortest path possible. If timing was 180 out in wouldn't start at all,it would fire on the exhaust stroke not the compression stroke. Apr 20, 2014 · HEY! WE HAVE A MERCH STORE!!!!https://www. Thanks for your help, guys. People seem to be obsessed with this on the LT1, too, but it is more likely to be something other than 180° if the opti is Oct 1, 2011 · Also the notch on vaccum distributors is usually about the 2 o'clock position. good luck Jun 10, 2013 · When a cold engine backfires through the carburetor, it’s most likely an indication that your air/fuel mixture is too lean, not excessive timing. That puts it 90 degrees out of time. It features overhead valves and a single camshaft, which gives it a distinctive sound and plenty of torque. 064 main (super B). Jul 1, 2020 · An old carburetor tuner adage contends that 80 percent of carburetor problems are ignition related. Sep 7, 2004 · Big Block V8 - 385 Series (6. 5/460) - 460 run with timing 180 out? - Have a 89 f350 with a 460 in it. 73' Ironhead Sportster. See the full video, and many like it at - SlickHead Custom Cycles - on YouTube Jul 17, 2003 · I post this a lot because its easy to miss. There are four strokes in a four stroke engine (imagine that): 1. when it finally runs, take the plug out and time it with a light at 2000 + rpms. Not out of time but won't start. start it up, if it kicks you over the bars, (too advanced) turn it counter clock wise an amount. Some (notably vortecs) need a degree or 2 less than that but not by much. Look in the timing plug hole. Oct 1, 2015 · He said that the guy who put the cam in probably did not align the timing marks on the cam and crank sprockets properly. just put the plate in the middle of the adjustment. The markings on the flywheel Aug 14, 2008 · if it's been out, it may be 180 out, that will back fire. The stock shovel I used to run liked . 2) starter isn't working. Aug 17, 2019 · I had a 50/50 chance either Tdc on or 180 out. Then remove the whole advance unit from the cam. . Used to have trouble starting engine when warmed up. They couldn't get it to start. is Mar 18, 2012 · You'd need to roll it back around to TDC on flywheel - where cam lock slide will fit - and see if pump lock will slide right in. Basically this consists of milling a grove across the piston top to allow the flame to travel from the plug to the other side better. Jul 22, 2008 · Make sure you have a bright sharp blue spark at the plugs,any orange and its not hot enuf. use a friend Feb 22, 2013 · So Im trying to time my 1983 Ironhead but cant. Location: Where it's always hot as Hell-South Louisiana. The other way to verify this is to set the motor to #1 TDC, pull the distributor and look down at the drive. Jun 16, 2009 · emtee. Remove the timing plug from the engine case. In fact, it would equally accurate to say the IP was 180 out and that obviously would cause no damage. Remove the spark plugs from the engine. Make a scribe mark from the point plate to the cam cover for reassembly. Feb 20, 2023 · Both motors were designed with a 45-degree V-twin, four-stroke engine configuration. Big gear on cam, small gear on crank. 2:1 meaning the crank makes a full rotation and the cam makes 1/ Jun 10, 2008 · Oldspeed is right. 002, it is impossible to get accurate timing in both cylinders. 1 cylinder, at which point the pin should be able to slip into the timing slot on the flywheel (you may need to rotate the crank a bit forward or backward to do this as the valves are closed over several degrees of camshaft turn). Define 180 degrees out of time. Chilton's Motorcycle Repair Manual has a section on static timing both manual & automatic advance points. Oct 6, 2020 · After reading a forum comment about cam and crank gear timing marks, I decided to make this video explanation. ) Exhaust - piston is moving up. 3. If one is at compression/power phase the other is at the exhaust/inake phase. 68 100% stock) '95 3000GT Spyder VR4 (11. On the other hand, the Shovelhead engine, produced from 1966 to 1984, is named for its shovel-shaped rocker covers. Planning An Engine Build. With the trans in Park and the dial-back light hooked up, upon light acceleration, the timing literally retarded about 10 degrees and then quickly advanced. Hi Kiwi, Crank: round dot = TDC on front cyl. Feb 19, 2015 · How do I know if my sporty's ignition timing is off? It's a 1988 sportster with a 1200 upgrade. When your two timing marks are pointing both together in the middle (cam dot is down, crank dot is on top) this does in fact put the timing 180 degrees out and should have the number 6 sparkplug wire running to it on the distributor. Rotary injection pump on a John Deere runs at only half engine speed. An Ironhead engine build can be broken down into several categories. You Aug 29, 2013 · These engines fire twice on each cylinder so no you can not be 180 out on the timing chains but if you have the cams on the wrong head you can be 180 out which will make the engine not start. '15 Corvette Stingray Z51 (12. Apr 7, 2011 · When you time the motor with a light, the timing is set to the tdc mark, and the points cam is advanced. Jun 25, 2009 · Take out all the spark plugs, and screw the piston stop into the #1 cylinder. Jul 4, 2019 · Decided to change out the points, condensor, and timing advance on this 76 Ironhead Sportster that I'd been working on for a while. 018". I suspect that I'm 180 off somehow because it appears like the motor is exhausting via the intake, back through the carbs. Feb 12, 2006 · Although. Between stock and . loosen the stand-offs, rotate EI unit completely counter clockwise. 5. The band started making music in 2008, and their members are vocalist and guitarist, Joe Dukes, vocalist and drummer, Spencer Dukes, vocalist and bassist, Mike Trunnell. Small lobe just about to break points. You must get them within . Jun 2, 2018 · Watch the whole thing. If the the distributor is installed 180 degrees out of sync, the spark will occur during the exhaust stroke, so the engine won’t start, plus it’ll backfire out of the exhaust and possibly out of May 31, 2017 · 721 posts · Joined 2017. Because the club head is behind the rest of your swing, it makes it very easy for the club face to open or close. Ian. Your timing is not 180 degrees off, this engine would not run Right where the end of the magnet (gold tip) at bottom of pulley, is where the Feb 23, 2012 · 400ex timing 180* off help please! okay so yesterday i traded a old dirtbike for a 2001 400ex, he said he was riding it and it shut of and wouldnt start i knew right off the back it was main fuse and so it was, so i got lights and everything he said carb might need cleaned i cleaned the carb every jet every nick and cranny i tryed starting it Have engine warmed up ahead of time, glasses on, a clear plastic bag over the end of the timing light, all wires connected up and out of the way. (A lift of the lynch lid to Jeep Hammer for suggesting this) After detirmining this I pulled the distributor and checking the distributor gear it looked almost new. they are TDC at the same time their cycle of events are 180* out of phase. Now pop the distributor cap off and see where the rotor is pointing. It will not run if the distributer is 180* off. . 180 Out. Slight lash allows it to move a little and it is REEALLY close but not directly on top of one another. The distributor should be correctly spotted at TDC #1 cylinder at the beginning of the power stroke. you get the idea. #2 · Mar 11, 2011. Another neighbor, who was somewhat of a mechanic, discovered that the timing was 180 degrees off. Slowly rotate the engine with a breaker bar until you feel it touch the piston stop. 1/370, 7. #17. I remembered that statement and broke out my timing light. Jul 31, 2016 · For the second time in a couple of months, I've managed to get the timeing 180% out, installed it incorrectly first time and then yeasterday it failed completely. 070. One cold winter day many, many years ago our neighbors, both truckers, pulled one of their trucks into dad's machine shed. Remember that the camshafts rotate at half engine speed. I turned Jan 23, 2003 · Apr 2, 2006. Knowing the engine is a 45 degree V-Twin and counting the number of teeth on the rear cams, he was able to figure out how many teeth to rotate the timing into the correct position. | Harley Davidson Forums. Apr 24, 2015. I purchased a set of new points, condenser, backing plate, and auto-advance unit. crfsonly. I was having so much of a May 1, 2013 · Find top dead center on cylinder 1, have a buddy stick his finger on the front spark plug hole as you run the kicker by hand. May even need to remove cam sprocket to get enough slack. 360 degrees out is more likely = one complete rotation of the CRANKSHAFT. my oil tank is full to the brim, more full than when we filled it, we left over an inch to an inch and a half of space between the cap and the oil level. It should be at the no. One problem that plagues Super B carbs is worn out throttle shaft bosses in the carb body. I'll give it a go. 1 plug, stick your thumb over the hole and have a buddy bump the engine over. comHere I show you guys how to line up timing marks and clock the oil pump. tighten stand-offs. Cheers! i run mine 90 deg out so i can fit my dizzy - i thing some oo9s are 180deg out - ive had it on a couple of engines i had built - when i changed the dizzy for an og one the timing was 180deg from wher it was! Dec 16, 2008 · ironhead wet sumping question. Oct 22, 2016 · The engine is an interference engine, so if you're off by a factor of more than 0 or 180 degrees, you'd be destroying your valves or worse. Check your coil. The link above had that happen, cam was synced but 180 out. For instance, I set the points to . The starter cable will get hot when May 22, 2013 · If you want to make sure everything is right, take the cylinder one spark plug out, stick a long dowel into it, when the crank comes to TDC the stick will be on the compression stroke (aka going up). if it backfires through the carb one of your intake valves is open during igniton on one of the cylinders. The settup is a VR sensor, 36-1 wheel, coilpack running wasted spark off 3 VB921s. #10 · Jul 29, 2003. The kick lever goes down all the way and engages the engine the engine rotates normally it just wont start. 99 EJ25 sohc timing 180 out Newbies & FAQs. HI, I put a timing light on my car and timing light shows it is 180* out (i put another mark 180* opposite the original one and I can see it with the timing light). This is the correct position for #1 at TDC. Jun 17, 2014 · 1) she's only running on the front cylinder. Has anyone ever had this issue? Finally got my winter build finished up last night and went to kick it over today. Then, once the HB is good, to set the distributor: Make sure the engine is at TDC on the compression stroke. ^^ first 360 crank degrees - 1 to 180 cam degrees. Sep 10, 2004 · Yes. Using cyl #4 plug wire to set timing engine May 18, 2010 · Timing 180deg out. Oct 6, 2014. However, if the spark is at no. The key question is with cam slot aligned with #1 tits up, was the tdc mark aligned. You must verify TDC of the crank position first with the timing chain in place. This name was applied to the Harley-Davidson Nov 18, 2018 · Cam might be out 180 degrees (of crankshaft rotation), but it turns twice as many revolutions as the crank, so every 180 degrees of crank the cam is back to "0" again. I use to run a 67 CH twin plugged, was most happy at 40 deg advance. RB69SS396Conv. Bring front cylinder to TDC then gap points with a test light to . Since you're stroked, you should up these a size or two. Because no two engine builds are alike, you won't know what tools and skills you'll need until a complete disassembly and careful Feb 2, 2008 · In a four stroke engine, the crankshaft rotates 720 degrees (twice) for every full revolution of the camshaft. Dec 13, 2011 · by scotsy » Tue Dec 13, 2011 7:37 pm. In terms of performance characteristics, both have similar May 30, 2012 · The cam sensor can be 180* out and still be "synced" with the spark and inj happening within the proper deg difference, its just that the inj is really at the wrong crank position. Like. Need a throttle lock of some sort to hold the high idle - at least 1600 RPM maybe more as doodah man says. I asked because I was in the process of my first cam swap and I didn't want to screw it up. 838@117. We put the #1 piston at TDC (the distributer also was at the #1 spot) and we tore it apart. Myself I haven't had the time to try it. So, basically, after I install the cam with the timing gear marks at 12(crank) & 6(cam), I should roll the crankshaft around until both marks are at 12 and the timing will be at TDC for #1 cylinder. Some use the timing mark on the crank, others will use TDC. I have the ignition timing set at 33` BTDC. If, in fact, the cam has both valves closed on no. On the crank and behind the pulley there is a crank angle senor and a blade that is used to trigger it. A picture will not tell me if the new pump is *up*, or *down*. Originally Posted by 73StreetRace. It then slams its head into the opponent. If you flip it over 180 degrees it does not get 180 degrees out of time. The ironhead was a Harley-Davidson motorcycle engine, so named because of the composition of the cylinder heads (Iron instead of Aluminium). Take your distributor cap off,taking note of which spark plug lead is facing torward number one spark plug in the head,loosen distributor so it rotates,but don't go crazy just yet. Remember firing order is 1-4-3-2 clockwise so if #1 plug wire is at the notch and 4-3-2 follow, then the drive is in backwards. In order for the engine to properly burn fuel, the fuel must be ignited at the proper moment during the combustion cycle. A cam installed with dots aligned together or 180 degrees straight up is a cam installed correctly as the cam turns at 1/2 the speed of the crank. was 180* out this will get it close enough to start the motor. The firing order is correct, cylinder 1 spark plug wire is where it should be. readings are not the same or within . Timeing with a light isn't that hard, but make sure u get the clear timeing plug (more than 1 they are cheap & easy to scratch). -Matt. vo ht vc lx vi sp wj yg bj mj