[DeTomaso] Axle Nut Torque
F&D Terry
gt5s at bcpl.net
Tue Apr 10 07:33:16 EDT 2007
Mid -70's Corvette bearings were installed with a one time use crush
sleeve shimmed to give 3 thousands free play. Been there done that using
a Corvette shop manual.
Fred T.
JDeRyke at aol.com wrote:
>Good move, Tony- 400 ft-lbs with tapered roller bearings will sieze and ruin
>them instantly. That torque is only for BALL rear bearings with an internal
>spacer. Converted tapered-roller rear wheel bearings will react just like
>over-tightened tapered roller front-wheel bearings & burn up.
>This bothered me too, so for my rear tapered roller bearing conversion, I
>copied the mid-'70s Corvette specs with their rear tapered rollers and use only 25
> ft-lbs on the axle nut, with a positive mechanical lock to retain the
>almost-loose nut. My positive lock is a 1/4-28 allen bolt threaded clear thru the
>mating flange, positioned such that the end passes into one of the nut's stock
>notches. MIne have held for thousands of miles since '98. The allen could be
>further secured with safety wire, but I never added it. Others use red (or
>green) Lock-tite on the axle nut and crossed fingers. Good luck- J DeRyke
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