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clinebarger · 10-17-2010, 08:47 PM

Gear ratios of the 2004R are: 2.74 first, 1.57 second, 1.00 third, .67 fourth.
TH350 ratios= 1.52 first, 2.52 second, 1.00 third.

I also recommend running a higher numerical gear than a 3:08 with any GM overdrive.

10-17-2010, 08:47 PM	#5
clinebarger Senior Member Join Date: May 2009 Location: Fort Worth, TX Posts: 6,370	Re: are 3.08 gears good with 200r4? Gear ratios of the 2004R are: 2.74 first, 1.57 second, 1.00 third, .67 fourth. TH350 ratios= 1.52 first, 2.52 second, 1.00 third. I also recommend running a higher numerical gear than a 3:08 with any GM overdrive.