I race circle track 87 scirocco track rule 1.8 200 psi. stock . i use 4k trans. 3rd gear 6300 rpm i would like 68-7000 is there a list of codes and ratioes final drives that can help me ? I'm thinking of a 1.8 block 2.0 transplant ?
you might need to provide more info---
track size, banking, tires used, etc.
at evergreen speedway in monroe, most vw minis run 74ish (circumference) tires. 3/8ths mile track, ~8 degrees of banking.
with the right set up and driver, a 19.5 second lap is cruising. RPMs peak at about 7800-8200, where vw's make power (for oval track). 10:1 comp. with stock rods and cranks.
search on the 'net for gear ratios, you should find a formula that you can figure out what gearing you will need.
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