so what is the deal with a sm420 with the stock 6cyl i know it can be done what all is involved im shure this has been answerd a thousand times but i searchd and dident find much in the way of info outher than every one with a 420 loves it
i would like to retain th estock 6cyl and get the low gear of the 420
this would be in a 72 fj55 if it makes a diffrance
i would like to retain th estock 6cyl and get the low gear of the 420
this would be in a 72 fj55 if it makes a diffrance