The Ford Barn - View Single Post

Tinker · 11-01-2021, 09:55 PM

I shouldn't add, but I believe on a duel carb step up you want 3.5 pv's making it 7 all in vacuum dump. When you hit the throttle the vacuum drops.

Just an oldtimey thought. Idle good and revs in the garage, underload bucks. Sticky valves or condenser. New motor tight guides.

11-01-2021, 09:55 PM	#10
Tinker Senior Member Join Date: May 2010 Location: MN Posts: 7,063	Re: Lean MisFire I shouldn't add, but I believe on a duel carb step up you want 3.5 pv's making it 7 all in vacuum dump. When you hit the throttle the vacuum drops. Just an oldtimey thought. Idle good and revs in the garage, underload bucks. Sticky valves or condenser. New motor tight guides. Last edited by Tinker; 11-01-2021 at 11:06 PM.