Thread: sb chevy 350 timing

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Hello, I am having trouble with my engine not accelerating well when I give it full throttle. It seems to just studder to a gradual increase in rpms. Sometimes it will even backfire out of the carberator if I jump on it to fast. Could this be a timing problem. Does anyone know what the timing should be. It is a 68 350 camaro 4 speed with HEI . Not sure if its stock or built. Thanks

Set the timing at idle with the vacuum advance unhooked to 8-12 degrees advanced and try that.

thanks for that info ,I will try that tomorrow and see if it works.