C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Apr 16, 2010 | 01:27 PM
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Default leaf spring thread count

i forgot to count the threads on my leaf springs when i did my u joints. Any body know how many should be exposed from the bottom of the nut? any help appreciated.

92 six speed coupe
standard suspension
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Old Apr 16, 2010 | 01:52 PM
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I assume rear spring...

If stock I seem to remember they are castle nuts and there should be a hole in the bolt that the cotter pin goes through to secure the nut. That determines where the nut goes.
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Old Apr 16, 2010 | 02:06 PM
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I just did mine. I threaded them up just far enough so I could get the cotter pin through the castle nut.
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Old Apr 16, 2010 | 02:47 PM
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Originally Posted by Steve85
I assume rear spring...

If stock I seem to remember they are castle nuts and there should be a hole in the bolt that the cotter pin goes through to secure the nut. That determines where the nut goes.
Originally Posted by jmgtp

I just did mine. I threaded them up just far enough so I could get the cotter pin through the castle nut.
For the factory rear bolts and nuts.


But if you have aftermarket lowering bolts, you probably won't have a hole in them for a cotter pin.
Those use a nylock nut that is self locking. In that case just run them up so you have about 1/4" of bolt showing.
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Old Apr 16, 2010 | 03:37 PM
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Originally Posted by Steve85
I assume rear spring...

If stock I seem to remember they are castle nuts and there should be a hole in the bolt that the cotter pin goes through to secure the nut. That determines where the nut goes.
true! thanks!
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