Can you help identify this?
Can you help identify this?
I have a friend who just bought an 86 TA. I just finished looking up the RPO codes. It told me that he has a 2.77 ratio rear that is posi with disk breaks. What rear is in his car. I know mine has the borg warner tranny and rear. Is his a 10 or 12 bolt? Thanks
Bill
Bill
Member

Joined: Jun 2000
Posts: 322
Likes: 2
From: Sweaburg, ON Canada
Car: '85 IROC
Engine: 305
Transmission: T-5
2.77 is a Borg-Warner ratio (9-bolt).
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1985 Yellow IROC-Z 5.0 HO, T-5 3.73 Torsen, 4 wheel disks
PFCM pads, GTA wheels, Koni yellows, B&M Ripper, Dynomax
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1985 Yellow IROC-Z 5.0 HO, T-5 3.73 Torsen, 4 wheel disks
PFCM pads, GTA wheels, Koni yellows, B&M Ripper, Dynomax
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