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Forum: 66-67 GTO Tempest & LeMans TECH 04-11-2021, 11:25 AM
Replies: 7
Views: 1,472
Posted By Sirrotica
Nothing 3 grand can't cure. I didn't forget it, I...

Nothing 3 grand can't cure. I didn't forget it, I didn't want to be the cause of the thread being shut down, so I list the best option for strength, and the option I have personally swapped many...
Forum: 66-67 GTO Tempest & LeMans TECH 04-09-2021, 05:41 PM
Replies: 7
Views: 1,472
Posted By Sirrotica
2.52, T 350 2.78, 200 4R 3.06, 700r4, same as...

2.52, T 350
2.78, 200 4R
3.06, 700r4, same as a 4L60E
2.52, T 400
2.52, 4L80E

5 most commonly used transmission in GM muscle cars. The T 400 and the 4L80E are originally designed to sustain...
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