The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - What is the best cruising RPM ?? I need a good rear ratio and tranny!

Longhorn Man · 02-07-2007, 05:07 PM

west side on I 270 north bound, had it at 100 for a mile or so, had to lift for the exit to I 70 west.

I can't remember where the first photo was taken, that's when the old GMC rolled 500,000 miles.

02-07-2007, 05:07 PM	#11
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	Re: What is the best cruising RPM ?? I need a good rear ratio and tranny! west side on I 270 north bound, had it at 100 for a mile or so, had to lift for the exit to I 70 west. I can't remember where the first photo was taken, that's when the old GMC rolled 500,000 miles. Last edited by Longhorn Man; 02-07-2007 at 05:07 PM.