The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

kcabbie · 02-19-2011, 11:30 PM

Okay, they used a special hex shaped tool at the shop. It's an '84 with a 2bbl if that means anything.
So just by lowering the idle speed it will make it more lean? They decreased the idle by i'd say atleast 75 rpm.

02-19-2011, 11:30 PM	#13
kcabbie Registered User Join Date: Jan 2011 Location: houston texas Posts: 64	Re: Hard shut off on 4.1l engine Okay, they used a special hex shaped tool at the shop. It's an '84 with a 2bbl if that means anything. So just by lowering the idle speed it will make it more lean? They decreased the idle by i'd say atleast 75 rpm.