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Old 09-15-2021, 10:49 PM   #15
Getter-Done
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Join Date: Dec 2009
Location: TN.
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Re: Big block problems (Chevelle)

Quote:
Originally Posted by 72c20customcamper View Post
And of course I ordered the wrong ones 4603 comp cams poly locks . I should have ordered the 4600 the 4603 are 1.3 inches in length with .675 shank . The ones I have are 1 inch and .600 shank. So I'll have them Friday or Saturday
Glad you Found the issue my Friend.

I have been looking at this since you posted.

And ??????

As a Machinist I thought how many threads on that nut are holding back ?

Wait for it ._____ Mark's big Foot

There was a lot of factors in play.

That set screw / Pulled the nut / TOO hard and created that crack.

Just my opinion .
And Just food for thought.
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