Thread: Help with 306 problem.

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Lowering the floats a bit should cure it....,,,,also, what are you running for fuel pressure?? With the blocked crossover, stumbling and bad idle cold is a trade off you have to make for not having all that hot air running under the carb!!!!

Thanks for quick reply Dave! It's a stock type but new pump which is supposed to put out 5-6 psi. I'll get a guage on it soon to check.

Y'know, I think you nailed it on the crossover. I had been having some exhaust leakage into the adjoining cylinders through the gasket due to wrong (way too much rtv) install on my first rebuild. To eliminate that possibility and living in FL I decided to block off the x-overs. I do remember now reading some posts about slower warm up without the heat.

I'll go ahead and reset the floats anyway since it was running fine before with the out of box setting.

Thanks again.