The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 88-90 454 gas mileage

fiddy9apache · 02-07-2010, 05:30 PM

i get about 8mpg in my 90 454ss truck, thats why its getting a 4L80e.

02-07-2010, 05:30 PM	#9
fiddy9apache Registered User Join Date: Aug 2009 Location: ftw tex Posts: 682	Re: 88-90 454 gas mileage i get about 8mpg in my 90 454ss truck, thats why its getting a 4L80e.