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Rocker studs

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Old Jun 15, 2006 | 10:34 PM
  #1  
tummyson's Avatar
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From: Kitchener, ON
Car: 89 IROC
Engine: 305 TPI
Transmission: 5 Speed
Axle/Gears: 3.08 Posi
Rocker studs

I've searched and didn't come up with much. Will 7/16" rocker studs work with '081' castings? Is there enough "meat" in the stud boss?

Thanks.
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Old Jun 15, 2006 | 10:49 PM
  #2  
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
you have to use a 7/16" coarse base thread in the casting.

No such thing as a 3/8" THREADED base stud. The stock one that gets pulled out is a press fit 3/8", so that happens to be a nice size to tap for 7/16" so....

the thread for the rocker nut, is where you have the choice, 3/8"NF or 7/16"NF. The 7/16" version obviously being larger and stronger, but you have to get rockers to match.
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Old Jun 15, 2006 | 11:16 PM
  #3  
tummyson's Avatar
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From: Kitchener, ON
Car: 89 IROC
Engine: 305 TPI
Transmission: 5 Speed
Axle/Gears: 3.08 Posi
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