a 2.20 first huh thats either a M21 or a M22 being my guess If you can find a M20 it has the lower first gear 63-65 has a 2.56 where as the 66-74 had a 2.52 first gear a 3.32 to a 4.11 will work well But the 4.11s will run you at the limit for the hyw. not to say anything about gas mpg,s as a daily driver I would say the 3.32 would do fine. hope this helps }[oooooo]
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NovaMan/Twisted6/Larry