i am not sure if the gears were swapped in or not.. right now i got a 2.73 86 pegleg rear.. i have the opertunity to get a used rear, its a 10 bolt 3.42 gears, and a pegleg its self, but it is supposedly a 87 or 88 rear.. i know my 88 formula was a 9 bolt.. so could it be an 89 maybe??? Also this would be a huge improvement over 2,73's no? got an auto car...... thinking of doing a t56 swap or a t5 swap sooner...

Steve

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86 Firebird, LG4, t-tops, 2.73 open rear, SLP 3 inch cat back exhaust, catco cat.

Gonna be sellin the 86 in the spring to hopefully get an 88-92 formula 350, and supercharge it!! (amoung some other sweet mods)

My Webpage- Battle of the birds, My own Thirdgen Page, still under construction, http://www.geocities.com/soares711/index.htm

88 Firebird Formula- deseased 2/9/99- 305 TPI, SLP 3 inch exhaust, SLP Intake runners, SLP cam, 3.45 BW disc brake posi, WS6, NOS, and all that good stuff, 13.8 on the motor, 12.89 on NOS and slicks! Hit by what else!?!? a FORD EXPLORER!!!!!!

 

I have NEVER heard of an open disc rear end.... hmmmmm

Could it be a blown posi rear? Is there any way you can get the code off of the rear end housing? Then you could find for sure what it is.

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91 Trans Am WS6
Bright White
5.0 TPI auto
Flowmaster 3" 2 chamber catback
Trans Go shiftkit
2000 stall converter

supposed 'peanut cammed' car (yeah, right)

Built on Wednesday

 

yeah i could get the code off the housing- i am pretty sure it has had new gears put in, but i am not positive.. the posi could be clown, but it is a low milage rear... so go fig... i am pretty sure it wasn't converted.. i guess i'll post back when i get some number for some of u guru's to look up for me heheh

Steve