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**BigBird05** · 02-10-2021, 03:38 PM

That sounds like a lot. What is your timing at idle with the vac hooked up? What year engine do you have? Both 70 and 71 350 CID call for 4 deg adv at idle with dist vac adv disconected.

02-10-2021, 03:38 PM	#39
BigBird05 Senior Member Join Date: Aug 2019 Location: Cheraw Posts: 1,305	Re: Timing & Gas Milage That sounds like a lot. What is your timing at idle with the vac hooked up? What year engine do you have? Both 70 and 71 350 CID call for 4 deg adv at idle with dist vac adv disconected.