Will a BBK 58mm TB desiganted for 88 models work on an 89? Is there a way to modify it if not? Thanks in advance
Kevin91Z
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Mar 23, 2026
- Join DateJul 1999
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- Car1990 Pontiac Trans Am
- Engine355 TPI siamesed runners
- TransmissionTremec T56
- Axle/Gears12-Bolt 3.73
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The hook up for the throttle cable is different. You can change the throttle assembly but its not really worth it.