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Metaldoc · 03-26-2018, 10:17 PM

Yes the choke plate should be vertical. The pop you hear is air being sucked in the bad gasket, mixing with unburnt gas, add a hot spark from the headers and pop pop pop. A mini explosion.

03-26-2018, 10:17 PM	#11
Metaldoc Registered User Join Date: Apr 2015 Location: Ayr Ontario Posts: 1,122	Re: 67 C10 Pinging Sound Yes the choke plate should be vertical. The pop you hear is air being sucked in the bad gasket, mixing with unburnt gas, add a hot spark from the headers and pop pop pop. A mini explosion.