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Re: are 3.08 gears good with 200r4?
Quote:
Originally Posted by clinebarger
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.
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I think you got 1st and 2nd ratios backwards on the t350. 
I will be running a 200-4r and have 3.73 gears. My truck had 3.08's with the first motor and I got 3.73's. They were great with the 383 stroker I just took out...but turned 3k or so on the freeway. With the 33% OD....I'm thinking 3.73's will be about right....though 4.10's might be better fitted for what I'll be doing with it.
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Kurt -
'68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy
'72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close
'06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD
'18 Kia Sorento - wife's econo-driver
'95 Chevy S10 - reg cab shortbed, LS, 4.3, auto...
my '68's powertrain and chassis build -links broken
A surprise phase - carb to efi -links broken
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