Quadrajet Carb Leaking?
I bought a remanufactured Q-Jet for my motorhome when I put the "new" engine in. Let me first say that it runs awesome. Plenty of power, no stumbling, smooth idle. When it's warm anyway. The choke ope...
Forum Discussion
Mike Hohnstein wrote:
Go Here
Some times a specialist is required. I'm real familiar with Q-jets and have done many of them, however best 400 bucks I've spent lately was with this place.
Thanks, but it's a fresh rebuilt from a guy with a good reputation. My issues were self inflicted by trying to take a short cut around sealing the choke stove plate.
My brother reminded my that my old GTO had a quadrajet, as well as all of the Pontiacs and Chevys we messed with when we were young. And, one of my dad's Vettes still has the stock quadrajet on it.
I went over to my parents house to rummage through the cabinets in the garage. JACKPOT! I found a stack of about a dozen quadrajet rebuild kits in varying states of completeness - from still sealed to completely picked over. I grabbed a new accelerator pump (Delco instead of whatever the other guy put in) and a gasket. Put it back together and it's running decent.
I must have inadvertently fixed some sort of leak. Previously, I had to back the throttle stop the whole way out in order to get it to idle at 700. Also, with the idle air screws closed completely it still ran fine - no change in RPM. This time it was really lopey when I fired it up. RPM was very low. I cranked the throttle stop in about a turn-and-a-half to get it up to 700 RPM and it's steady there. Seems to run as well or better than it did before.
Now I'm back to where I was a couple of days ago - I need to mess with the high speed idle cam to get it to kick up when it's cold.
