I am getting my 10 Bolt rebuilt and they said I need Posi lube.. What do I reallly need? The one I have now says limited slip is it the right one.


Thanks
Brian

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1989 Camaro RS

305 .030 over Hydro Pistons
Vortech heads milled to 58cc...Performer RPM intake....LT4 cam..Crane Gold rockers...FastChip custom chip...ALum. Driveshaft...3.73 gears with Posi...underdrive pullys...Rebuilt 700R4 with Vette Servo and B&M shift Kit...MSD ignition...A/C Delete No SMOG junk....1997 SS leather interior...B&M Shifter... Ultimate TBI mods...14X3 K&N open Element Non-Drop...Hooker headers....3" exhaust with Flowmaster Cross flow 16X8 Wheels from 97 RS Spohn LCA's Spohn Panhard Bar..LETS PLAY FORD!!

www.geocities.com/feltsb

 

I'd recommend using only genuine GM brand
posi rear end lube. U can also buy posi additive at GM....

 

I just rebuilt mine and the gear manufacturer (Richmond) recommended their synthetic gear oil, or Redline's gear oil of about the same viscocity.Neither of these require a posi additive, as it's already in the oil.Also, they said break in for 500 miles and replace it.
I'm using the Redline 80W140 Gear oil.Expensive, but how much is peace of mind worth?
-Rich-

 

AMSOIL 75W90 Series 2000 is also synthetic and does not need any expensive little tube of posi additive. Although the AMSOIL will cost you more per quart than off-the-shelf stuff, by the time you add in the little tube, it isn't much more. And, the benefits of synthetic will save a bunch more over time, recouping the initial outlay.

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82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4 (restalled TC). Ported World 305 heads, Crane PowerMax cam. ZZ4 intake, oil pump, pan & baffle. Accel HEI SuperCoil & module. Hooker 2055 headers, 3" Catco cat & 3" catback w/dual-opposite Flowmaster. 2.93 limited slip, Spohn SFCs. AMSOIL syn lubes bumper-to-bumper. Daily year-round driver. Best ET, speed TBD...
57 Bel Air, my 1st car. '66 396, 9.7:1 forged TRWs, Weiand Action+, Holley 750VS w/4150 conversion, GK 270 cam, Magnum rockers, Jacobs Omnipack, 1-3/4" Hedders & 3" Warlocks, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, MegaShifter, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Idles smooth @ 700 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).