The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 1st start-up on swap

davepl · 03-21-2018, 10:27 AM

Does it run better without the MAF connected? If so, that'd indicate that your measured and actual air amounts are different. That could be air leaks or MAF placement if so.

03-21-2018, 10:27 AM	#5
davepl Registered User Join Date: Aug 2006 Location: Redmond, WA Posts: 6,332	Re: 1st start-up on swap Does it run better without the MAF connected? If so, that'd indicate that your measured and actual air amounts are different. That could be air leaks or MAF placement if so. __________________ 1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible