Engine Stalling and Hesitates
#43
Did you try putting pressure on the throttle to help it back? A vacuum leak would cause high idle. Also a common thing to do to holleys is drill a hole in the throttle butterflies to close them up bit if you drill the hole to big you can't get the butterflies closed enough to get it idled down. Are your butterflies drilled?
Railguy
Railguy
#46
20160307_175443.jpg
There is also an idle advance adjustment on the chock . Which is on the opposite side as the throttle. This could be the problem too
Railguy
There is also an idle advance adjustment on the chock . Which is on the opposite side as the throttle. This could be the problem too
Railguy
#47
This is the adjustment on the secondaries it acts as a stop to keep the butterflies from closing to far and binding or sticking. If it is in to far it will hold the butterflies open a little .which would act like a vacuum leak. This is the adjustment that requires the removal of the carb so check the other one first . And try disconnecting the throttle cable as MDchanic suggested.
Railguy
20160307_174844.jpg
Railguy
20160307_174844.jpg
Last edited by Railguy; March 7th, 2016 at 05:30 PM.
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