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

cory d · 12-16-2013, 04:30 AM

i have a 355 with flat top pistons and a 284 advertised flat tappet cam. i bet im getting 12 o rmore easy. but the 2.73 gears help

12-16-2013, 04:30 AM	#9
cory d Registered User Join Date: Dec 2011 Location: Arlington WA Posts: 1,728	Re: Gas Mileage i have a 355 with flat top pistons and a 284 advertised flat tappet cam. i bet im getting 12 o rmore easy. but the 2.73 gears help __________________ GMC C15 355 SM465 3.73 80 C10 cruiser build thread 79 short stepside crew cab. big and ugly. build thread