Turbo'd s.b. chev...in a 69 Camaro? maybe?

[Todd....!!]

WOW, Thanks Jim!

I think my 70 Bee came with a Super Trac Pack, so maybe I have the
Trac-lok version?

It works good whatever the name is!

Take er easy mang!

LATER!

Todd....

--------

Jim Davies wrote:
> 
> On Wed, 2 Jun 1999, Todd....!! wrote:
> 
> > Is the Dana 60 considered a Sure Grip?  Or just a posi?
> >
> > Don't know what to call it, now that I think about it, anybody?
> >
> Older 60s used an Eaton PowrLok [2 piece case] later ones used a Trac-Lok
> [one piece case, no ramps]
> 
> Older 8 3/4s used a PowrLok. In 1968-9 they started using the Borg-Warner
> Spin-resistant [cone-type]
> 
> Older [50s-60s] GMs used the Powr-Lok also
> 
> Olds used the spin-resistant in the late 60s
> 
> Ford 8 3/4-9-9 3/8 inch dropouts used a small, plate type LSD called an
> Equalock [aka Equapop] which, due to the small available diff size, was
> never used with 427s. The cars came with a 4 pinion open diff and a
> no-spin could be installed at the dealer or  elsewhere.
> 
> All of the above [except the no-spin] are limited slips, with a plethora
> of marketing names, like 'positraction' 'safe-t-track' 'sure-grip' etc
> etc.
> 
> Just think of a conventional differential, with a bit of friction between
> each axle shaft and the diff case added. Breakaway torques are in the area
> of 30 to 250 ft lbs. Once you exceed the breakaway torque, they act like a
> conventional diff. The breakaway torque varies a lot between individual
> samples of identical units.
> 
> The Powr-Lok has a 'feedback' capability making it more desireable, and
> more expensive to mfr. Obsolete. It was the best of the plate types, IMO.
> 
> Oh, yeah. There is no more good posi lube available, complicating things.