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69C10@16 · 02-04-2008, 10:20 AM

All I know is somethings got to give because I went to springfield today and was running 4000 RPM constant on the Interstate. There's no way that's anywhere near good on the truck.

02-04-2008, 10:20 AM	#8
69C10@16 Registered User Join Date: Aug 2007 Location: Greenfield, MO Posts: 215	Re: 4.56 Rear Gears?!?!?!?!?! All I know is somethings got to give because I went to springfield today and was running 4000 RPM constant on the Interstate. There's no way that's anywhere near good on the truck.