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I messed up one of the bolt holes for the head. NEED SOME HELP

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Old 08-09-2009, 12:36 PM
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Default I messed up one of the bolt holes for the head. NEED SOME HELP

so I wercked some of the threads in one hole that holds the head on & now it won't grab when I go 2 tighten the head. what's my options?
drill it out & put a heli coil in it
get a longer bolt or get a shorter bolt?
need some help like yesterday. thanks in advance
Old 08-09-2009, 12:48 PM
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i would use a heli coil
Old 08-09-2009, 01:25 PM
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well I just found out this is no standard metric bolt its in between a 10 & 12mm so don't think a heli coil will help & a shorter bolt isn't going 2 work at all so hopefully GM makes a longer one. does any one know if they do
Old 08-09-2009, 06:08 PM
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here's a thread with some info:
https://ls1tech.com/forums/generatio...buy-cheap.html
Old 08-10-2009, 09:35 AM
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any other suggestions? I don't have $500 for a fix it kit
Old 08-10-2009, 07:11 PM
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Here's one. And another. E-Bay is your friend....

Russ
Old 08-10-2009, 07:53 PM
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russ that's awsome except one thing ls1 head bolts have a 2.0 pitch not a 1.5 pitch like the ones one ebay.

anyway I went to the gm dealership & holy crap they let me take the tooling home & I owe the $20.00 to use it. I can't believe that . so its all done now hopefully it works lol
Old 08-11-2009, 07:14 PM
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Originally Posted by rice8er
russ that's awsome except one thing ls1 head bolts have a 2.0 pitch not a 1.5 pitch like the ones one ebay.

anyway I went to the gm dealership & holy crap they let me take the tooling home & I owe the $20.00 to use it. I can't believe that . so its all done now hopefully it works lol
Sorry 'bout that pitch stuff, glad you managed to find an economical solution!

Russ




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