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69cunningham · 08-20-2014, 09:31 PM

The trans has the 2.97 first gear and the tires I want to use are 285/60R17 that are 30.4". It will go 49MPH at 6000 RPM in first and it will turn 1340RPM to go 65 MPH in 6th. If I used 4.11 gears, it would go 44MPH and turn 1476RPM. I'm torn about the ratio. The lower gears might be a better choice since the truck is heavy. The numbers for a 2010 SS Camaro are 49MPH and 1497 RPM. A 2010 Corvette are 52.5MPH and 1397RPM.

08-20-2014, 09:31 PM	#82
69cunningham Registered User Join Date: Jul 2010 Location: Windsor CA Posts: 153	Re: Lss3 The trans has the 2.97 first gear and the tires I want to use are 285/60R17 that are 30.4". It will go 49MPH at 6000 RPM in first and it will turn 1340RPM to go 65 MPH in 6th. If I used 4.11 gears, it would go 44MPH and turn 1476RPM. I'm torn about the ratio. The lower gears might be a better choice since the truck is heavy. The numbers for a 2010 SS Camaro are 49MPH and 1497 RPM. A 2010 Corvette are 52.5MPH and 1397RPM.