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Purely for track driven car? 4 or 5-speed? VW box?
My 5-speed trans will get these ratios with about 640mm height tires ( 265/35R18).
Speed it at 3000rpm wit 4.13 r+p
1. 3.44= 25.5 km/h
2. 1.93 = 45.5 km/h
3. 1.3 = 67.7 km/h
4. 1.00 = 88 km/h
5. 0.77 = 114.2 km/h
But this is too long for track, i would chosen for track only with a quick think: 1st 3.44, 2nd 2.06, 3rd 1.48, 4th 1.21, 5th 1.00.
I would suggest shorter ratios, so that top speed would around 200-215Km/h, it would give better acceleration.
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