How quick should Quadrajet secondaries open?
Thread Starter
Drifting
Joined: Mar 2001
Posts: 1,411
Likes: 2
From: St. Louis, Missouri
How quick should Quadrajet secondaries open?
I've noticed this recently on my stock/original L-48. When I nail the throttle from a standing start, the car launches good but after about 2.5 seconds (around 3,000 RPM) I can feel the secondaries kick in and the car pulls even harder.
Shouldn't the secondaries open sooner? I know Holley carbs with vacuum secondaries have different springs that you can swap out to control how quick the secondaries react. Are quadrajets the same way? Since the engine is stock, I don't want to change settings that should be working the way they are. I'm from the "If it aint broke, don't fix it" school (I've learned that lesson the hard way).
Shouldn't the secondaries open sooner? I know Holley carbs with vacuum secondaries have different springs that you can swap out to control how quick the secondaries react. Are quadrajets the same way? Since the engine is stock, I don't want to change settings that should be working the way they are. I'm from the "If it aint broke, don't fix it" school (I've learned that lesson the hard way).
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