I have a 92 RS that I replaced the rear end I installed a BW 9 bolt with 3.27
gears I think the stock rear end had 2.73 do I need to change any thing in the trans to correct the speed O
Thanks
gears I think the stock rear end had 2.73 do I need to change any thing in the trans to correct the speed O
Thanks
Kevin91Z
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Mar 23, 2026
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- Car1990 Pontiac Trans Am
- Engine355 TPI siamesed runners
- TransmissionTremec T56
- Axle/Gears12-Bolt 3.73
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Yes, you need to change the drive gear and driven gear in the tailshaft of the transmission.
You can
this forum for "3.23 speedo" or "3.27 speedo" and find the correct gear sizes and probably the part numbers too.
You can
this forum for "3.23 speedo" or "3.27 speedo" and find the correct gear sizes and probably the part numbers too. Thanks Kevin91Z
I got a chart from my local cheye dealer and all I need to change is the driven to a 45 my drive will stay the same its a 17
I got a chart from my local cheye dealer and all I need to change is the driven to a 45 my drive will stay the same its a 17