Senior Member
Don't know about 87 but my 86 305 TPI TA has a posi rear with 2.73 gears. I would assume its the same for the 87
Kevin91Z
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Go to the FAQ and/or Tech Database on this site and look it up.
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1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.23 @ 107.62 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
-=ICON Motorsports=-
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1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.23 @ 107.62 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
-=ICON Motorsports=-
this site is only for cameros my 86 305 tpi ta has the 9 bolt 2;77 in it.
Supreme Member
2.73. If you have G92 it's 3.23.
From the tech data on this site.
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82 camaro--original steering wheel, brake/gas pedals, seats--everything else modified
82camaro
From the tech data on this site.
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82 camaro--original steering wheel, brake/gas pedals, seats--everything else modified
82camaro
Kevin91Z
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- Axle/Gears12-Bolt 3.73
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- Liked:26 Times in 22 Posts
Quote:
<font face="Verdana, Arial" size="2">Originally posted by NUN:
this site is only for cameros my 86 305 tpi ta has the 9 bolt 2;77 in it.</font>
What's a camero?<font face="Verdana, Arial" size="2">Originally posted by NUN:
this site is only for cameros my 86 305 tpi ta has the 9 bolt 2;77 in it.</font>
The tech database here works for both Camaros and Firebirds. The HP data might not be the exact same, but the transmission and rear end data is the same. Camaros and Firebirds have the exact same transmissions and rear ends.
wrong the 1986 305 tpi trans am had the borg warner 9 bolt with the 2;77 go and read this tech on the front of this page and see what the 86 305 tpi has 10 BOLT HAHAHHA
Kevin91Z
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- Join DateJul 1999
- LocationOrange, SoCal
- Posts:10,950
- iTrader Positive Feedback100
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- Car1990 Pontiac Trans Am
- Engine355 TPI siamesed runners
- TransmissionTremec T56
- Axle/Gears12-Bolt 3.73
- Likes:115
- Liked:26 Times in 22 Posts
You are a child.
I know two people with 87 Trans Ams, 305 TPI automatic. They have 2.73 aluminum drums.
I know two people with 87 Trans Ams, 305 TPI automatic. They have 2.73 aluminum drums.



