700R4 Strong enough?
09-21-2005, 03:44 PM
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Location: Barrie, Ontario, Canada
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Car: 1985 Trans Am
Engine: 5.0L
Transmission: 700R4
700R4 Strong enough?
I'm thinking of swaping the original 305 in my 85 T/A for a ZZ4 350 crate engine. As most of you know the ZZ4 has 355 HP with 420 lbs of torque will the stock 700R4 be able to handle that much HP and what about the stock 3.08 posi track rear end will it also handle that kind of power?
09-21-2005, 07:25 PM
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Car: 87 Trans Am GTA
Engine: 408 LS
Transmission: LS 4L60E
Axle/Gears: 9 Bolt/3.70 Gears/TAP Girdle
my stock 700r4 handles it and so does my stock 9 bolt rear end, even if you have the 10 bolt it should. i would look into a shift kit and auxillary tranny cooler though.
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