I tried everything.. Mph and rpm... But just would not shift... It's a new tranny, so going back for inspection
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Same here ducky...
12.4 @ 112 in my 4.8...
Colorado ss 9.7
gbnl in my 85 chevy ls2 n/a 11.8 @115
Not trying to steal this thread but Mic your front wheels are bad@ss
<-- 11.0 @ 126. 8psi