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70SBC10BOB · 03-27-2014, 06:05 PM

Do you have vacuum advance? If so, disconnect the line, plug it and go drive. The diaphragm may have a hole and makes the timing jump back and forth under accel.

03-27-2014, 06:05 PM	#16
70SBC10BOB Registered User Join Date: Jan 2014 Location: Murrieta, CA Posts: 41	Re: Help! Engine troubles Do you have vacuum advance? If so, disconnect the line, plug it and go drive. The diaphragm may have a hole and makes the timing jump back and forth under accel. __________________ 1970 C 10 A work in progress!!