yeah when I called Moser for the new rear I asked what the best diff was.
he said hands down the tru trac.
he aslo stated that the tru trac isnt disireable for off road truck apps .
which doesnt concern me.
I had one in the rear of my 72 GMC Jimmy and it kicked arse. 400+ hp to 4.10s and 35" tires and I never had an issue. I beat the crap out of it and never had an issue. I plan on putting one in my 12 bolt when the posi starts to go south.
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Eric
69 Camaro - LT1 w/ 700R4, DSE springs, swaybar and Konis. Still rockin' it old school with 15" wheels with 60 series tires.