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Do Spec LS1 aluminum flywheels take standard bolts instead of metric?

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Old 07-01-2013, 08:33 AM
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Default Do Spec LS1 aluminum flywheels take standard bolts instead of metric?

EDIT - It's M10 x 1.5 like it's supposed to be, just took a socket to get started. Machine shop tech was wrong and tried to use 3/8 x 16 saying the metric ones wouldn't work. It doesn't appear the threads are damaged. I ran the proper M10 bolts in and out a couple of times and the pressure plate installs fine and torques up.

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My ARP pressure plate bolt kit won't thread into this Spec aluminum flywheel. Did Spec "spec" standard bolts for some reason?

Also, anyone know the torque spec on the pressure plate bolts for the aluminum flywheel?

~Brian

Last edited by Cobra4B; 07-01-2013 at 10:18 PM.
Old 07-01-2013, 06:24 PM
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ttt... anyone with a spec flywheel?
Old 07-01-2013, 09:11 PM
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I ordered the standard ARP (metric) LS bolt kit for mine. A standard bolt will thread in, but be too loose to hold torque without stripping.
Old 07-01-2013, 09:49 PM
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Nevermind... see OP. They're M10 x 1.5... machine shop tech was wrong.

Last edited by Cobra4B; 07-01-2013 at 10:14 PM.



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