Jrp1978

iTrader: (10)

I put a m12 in my car with the taller gears and i have a 410 rear end . I can use first or second . Should i go back to 3.42
Can anyone do the math on this 410 and m6 gear ratio
and then 410 with m12 ratio vs 342 with m12 and 342 with m6