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

pilot bushing dimension?

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Old Oct 22, 2006 | 12:33 AM
  #1  
Flip 2's Avatar
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From: Bethlehem, CT
Car: 1983 Firebird SE
Engine: C5 LS1
Transmission: 6 speed
Axle/Gears: 3.42
pilot bushing dimension?

Does anyone know the spec for how far the pilot bushing should extend from the back of the crank flange?
Thanks-
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Old Oct 22, 2006 | 04:54 AM
  #2  
ede's Avatar
ede
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From: Jackson County
it shouldn't extend past the crank flange at all. i put them in untill they bottom out.
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Old Oct 22, 2006 | 12:46 PM
  #3  
Sonix's Avatar
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From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
make sure the countersunk edge is facing outwards, and not inwards. Makes installing the trans a heck of a lot easier.
I think it'll be in about .020" or so from the back face of the crank.
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Old Oct 23, 2006 | 10:25 AM
  #4  
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From: Bethlehem, CT
Car: 1983 Firebird SE
Engine: C5 LS1
Transmission: 6 speed
Axle/Gears: 3.42
McLeod piece

Thanks guys.
I got a McLeod extended bushing, to go with my T-56. It is different. It will need about .600" taken off to fit right. Right now it extends out from the crank. A bit of measuring showed me how far wrong it is.
The crank is aftermarket, so some of the mis-match may be at their door.
Think I will countersink the bushing, also, after it is shortened. I can hear the cussin', already, if I don't.
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