172 Cup gear ratio

[scw02102]

Anyone know them?

http://www.kabamus.com/garage/gears.html

site could be interesting

 

[scw02102]

bump

 

[edde]

The gearbox does
5.3mph per 1,000rpm in 1st
8.7mph per 1,000rpm in 2nd
12.3mph per 1,000rpm in 3rd
15.8mph per 1,000rpm in 4th
20.4mph per 1,000rpm in 5th

using 195/45/16 wheels that is.,