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

factory trans line size

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Old Jan 8, 2007 | 12:08 AM
  #1  
redcamaro83's Avatar
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From: Chicago, IL
Car: 86 Z28
Engine: 305
Transmission: 700r4
Axle/Gears: TBD
factory trans line size

trans lines are rusted time to bend new ones

anyone know the factory sizes before i play the guessing game at autozone
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Old Jan 8, 2007 | 12:45 AM
  #2  
AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
I'm pretty sure they're 5/16"

1/4" is too small and 3/8" is overkill for a street car.
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Old Jan 8, 2007 | 12:55 AM
  #3  
xpndbl3's Avatar
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
5/16" i used the 56" piece and the 48" piece from their brake line selection on a buddies car
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