Quote:
Originally Posted by 66-PMD-GMC
Don't forget that you have an "emissions" carburetor, you have most probably yanked all the emission crap off so yes, vacuum leaks are very likely. Also, the motor sat while you were doing your build so it is entirely possible that you also have junk in the fuel bowl and elsewhere inside the carb.
I would suggest using what you have for now and saving your $ getting a period correct carb, a 67 Rochester 4bbl.
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Okay, I'm convinced.
It idles great, and cruises great, but it stutters when I punch it from low rpms under load. I haven't changed a thing regarding timing, or otherwise.
Engine ran and accelerated just fine when it was in the suburban.
I could just systematically check all possible vacuum issues, but then again, getting a non-emission carb seems to make more sense.