Quadrajet secondary lockout If the primary is at about 2/3 throttle, then I can stoke the secondary and it will partially open. The secondary throttles are mechanically linked to the primary with a delay in the linkage that doesn’t start the secondary throttle till the primary is about half to two thirds open. Oct 4, 2019 · The secondary lockout lever can lock out the secondary throttle if the choke is not opening fully, or if the choke is incorrectly adjusted. If it does not get moved out of the way by the choke fully opening - no secondaries ever. Not getting full throttle travel to WOT. I had manual choke cable hooked up running to dash. Jan 10, 2021 · A- Secondary lockout. With the choke active, the cams prevent the lockout from moving backward, so the lockout doesn't budge and the pin keeps the shaft from turning, so no secondaries. The shaft has a smaller shaft sticking through it the pivot catches. Guard it with your life as they are very hard to find. cdncf rghit egvegbx sqa vraoqj islt fshno owz hrujnf xlekt