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Old 10-13-2013, 06:36 PM
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Header Bolts

I re-installed my motor today in my chevelle, and installed my headers got the driver side all done, got to the passenger side and the last 2 bolts are giving me trouble. The first 2 threads are smashed on the bolt, I have Edelbrock Aluminum heads that come with helicoils and Hooker Super Competition Headers 2-1/8 pipes, I can't take the headers off the car because of them being around the frame, what's the best way to fix can I chase the threads in head?
Sorry for the poor quality of pic but you can see the first 2 threads are crashed its like its cross threaded



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Old 10-13-2013, 06:47 PM
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have you tried a thread chaser through the flange?
replace all the bolts,,,
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Old 10-13-2013, 06:51 PM
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Originally Posted by vinniekq2 View Post
have you tried a thread chaser through the flange?
replace all the bolts,,,
no was thinking of buying a Snap on chaser but I was reading that you can't chase a helicoil, I have brand new Stainless steel bolts that I will be installing once I fix this issue
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Old 10-13-2013, 06:52 PM
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Here, slather 'em with anti-sieze compound and torque to spec....
http://www.summitracing.com/parts/sum-g1490a/overview/
http://www.summitracing.com/parts/umi-77124/overview/

Trying to fix crossed threads on a bolt with that few engaging threads will be an exercise in futility. Do it right and forget it.
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Old 10-13-2013, 06:54 PM
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Originally Posted by 1981zapper View Post
I have brand new Stainless steel bolts that I will be installing once I fix this issue
What does this mean? If you have stainless bolts, apply anti-seize and torque to spec.
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Old 10-13-2013, 07:10 PM
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What does this mean? If you have stainless bolts, apply anti-seize and torque to spec.
I have always used copper anti-seize on anything into the Aluminum heads
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