General Category > Quadrajet Carb Talk and Tips

Marine Carb rebuilds

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Ethan1:

--- Quote from: randy4140 on June 22, 2016, 04:41:04 AM ---Holley Reman??? Now I am confused. It clearly says Rochester Quadrajet?? Whats up?

--- End quote ---

 Disregard that post. I couldn't edit it in time. Holley made a similar Qjet, with same carb number. Clearly, yours is not a reman. :)

Cliff Ruggles:
I'd go back to basics.  If you rebuilt the carbs and are not getting a good result, and didn't put new floats in them, and most likely the incorrect fuel inlet seats as well, I'd get our complete Marine kits and go back thru them again.

This time install new floats, the correct high flow N/S assemblies, correct length accl pumps with our seal on them, and make sure the floats are set exactly to factory specifications.

We supply instructions for them with the kits.   Also make sure that the power piston hanger arms are level and exactly even.

Do NOT modify the carbs in any way, they are not emission calibrated and set up exactly for those engines.  I would clean out the idle tubes during the rebuild, but don't recommend removing them.  You can straighten out the old accl pump return spring and use it to push thru the idle tubes as a cleaning tool.

Once you have installed the correct parts, and new floats at the right height, I'll be they start working like they are supposed to and fuel consumption will be minimal and back on par for the application.......Cliff

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