Transmissions and Drivetrain Need help with your trans? Problems with your axle?

bolt size question

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Old 09-26-2005, 03:04 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
bolt size question

I need to know what size, pitch, and length the bolts are, that you use to bolt the tranny to the engine. I am pretty sure they are 3/8, but what pitch and length are they?

87 1/2 700R4 and 350 motor.
Old 09-26-2005, 03:29 PM
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ede
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3/8-16x1.5" ought to be pretty close
Old 09-26-2005, 03:47 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
16mm length and 1.5 pitch?
Old 09-26-2005, 05:02 PM
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Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
3/8" in diameter, 16 threads per inch pitch, 1 1/2" long
Old 09-26-2005, 05:17 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
thanks guys
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