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Thread: new rear end gear tune?
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05-17-2009, 04:17 PM #1
- Join Date
- May 2009
- Location
- Livonia mi
- Posts
- 33
blue- 1999 trans am
new rear end gear tune?
If i were to put a new gear in my rear end in my automatic would i need to reprogram anything to make this work correct for shift points or anything else?
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05-17-2009, 06:13 PM #2
You need it to fix your speedo...
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05-17-2009, 10:15 PM #3
yep you need to have the tune changed because the shift points will be all screwed up.
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