Quote:
Originally Posted by Formulajones
I absolutely would not run a 2.20 1st gear with a 3.08 rear lol
If you're dead set on a 4-speed you'll be happier and better off with an m20 with a 2.52 1st gear or change the rear gear to something better suited for the 2.20
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I have now a tkx 2.87 first gear and 3.31 rear,,,its much more pleasurable on take offs compared to the m21 but even though that sounds like a big jump in 1st gear it actually feels normal. I wouldnt want it any taller.Not geared too low. So i would imagine a m20 compared to a m21 would feel nicer on takeoffs but its not going to feel like a big change but with a 3,08 rear i would definitely go with the m20 at the least. Its still going to feel a little tall in 1st gear. I think the tkx comes in a 3.25 first gear,,wonder how that would be.
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72 lemans,455 e-head, UD 255/263 solid flat,3.73 gears,,,10" 4400 converter,, 6.68 at 101.8 mph,,1.44 60 ft.2007
(cam 271/278 roller)9"CC.4.11gear 6.41 at 106.32 mph 1.42 60 ft.(2009) SOLD,SOLD
1970 GTO 455 4 speed #matching,, 3.31 posi.Stock manifolds. # 64 heads.A factory mint tuquoise ,69' judge stripe car. 8.45 @ 88.1 mph on slippery street tires.Bad 2.19 60ft.Owned since 86'
Last edited by scott70; 09-01-2025 at 12:20 AM.
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