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Old 01-07-2006, 08:45 PM
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heavyredchevy heavyredchevy is offline
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Transmission Identification

1989 K1500 ext-cab longbed 5.7L TBI Auto w/overdrive

I was woundering what transmission was in my truck (how can i tell), It has a square pan with 16 bolts and it doesnt appear to have a modulator. From what im hearing its either a TH700R4 or a 4L60E.
Also I plan to put a 383 stroker kit in later on, and i was woundering how much HP/TQ these transmissions can handle.
Thanks,
Ryan
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