Quote:
Originally Posted by pokeyl
I think so, I hate math. You can apply all the numbers to the 38-91 rotrex (stage 2) as well. I still need to do the math for the 82mm pulley I have. I just do not run to 7500RPM the motor might pop!
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There are some Dyno charts with the 84mm ran to 7500 .... And was at like 523 hp ... I'm thinking I could use the 85mm .... I don't like running high rpms so 6k-6.5k I feel better at