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Hermy 03-01-2005, 09:18 PM What would it take to switch from a 12 bolt rearend to a 14 bolt rearend on a 1976 silverado? also what gears would you recommend for an all around daily driver and off road? t_and_a6 03-01-2005, 10:44 PM Its a direct bolt in except for you will need bigger u bolts (axle shaft is has a bigger diameter) and You will need a conversion U-Joint, the one I use is a Precision #447 u-joint. And obviously you will need different wheels 6bolt to 8bolt. On mine I needed to lengthen my ebrake cable because It haddent been done with the lift. For gearing I run 373's and they seem fine on road but off road aren't that great I'd run 410's If I could do it all over again. And try to find a 14B FF with a Gov lock! Good luck! camsk5 03-02-2005, 07:20 AM buy one for cheap.... I have a nice 3.73.... 80.00 dedicated post whore cam 78 K5 03-02-2005, 11:49 AM High Angle makes a slip yoke that will match up to the 1350 on the 14 bolt so you don't have to use those F*ed up u-joints. Naturally I'm a cheapskate and have the conversion joint but the slip yoke is a pretty sweet deal. As far as the "direct bolt in" comment. I could be wrong, but my 14bff is from a 3/4 ton which is a direct bolt in but I think the 1tons have to have the perches moved? Home Built 03-06-2005, 11:34 AM I got mine from a 1 ton and it was a staight bolt in. Cut off the shock mounts and shorten them up like those on the 12 bolt I would not look for a gov lock either. when they go out and you want to install a locker, you will be looking for an open carrier down the road. the Detroits are like 300 bucks for them, alot cheaper then my dana 60 detroit. Take your drive line to a shop and for 50 bucks they can cut off the end and put a 1350 yoke on it so it matches the 14 bolt. you don't want a conversion joint. they snap alot, I know.. just my .02 | |