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Jeep-Short Wheelbase All discussion of short wheelbase Jeeps: CJ, TJ, YJ and JK

 
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post #1 of (permalink) Old 11-05-2002, 10:55 AM Thread Starter
 
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Helicoil

I stripped one of the six bolt holes in my crank shaft flange that hold the fly wheel on. Got a Helicoil kit and driled and taped the hole for the Helicoil, that all went well. But when the I installed the thread coil, the flange it only 1/4" deep, so you must cut the coil. After three coils I got the coil cut right. It is not as easy as installing the coil in a deep hole. So if you screw the coil on the bolt and use that to find were to cut the coil off, also use the best cutter you have.
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post #2 of (permalink) Old 11-05-2002, 12:55 PM
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Re: Helicoil

Helicoils are tougher than nails. That can be good and that can be bad. In this case 1/4" is not a lot of depth. But hey, if the OEM bolt can exist there, so can a helicoil. The little trick here is to cut the dang thing. I use a cutting disk (drill mounted's find, but I use an air die grinder.) and a sacrifical bolt. Once this is done I take the remains over to my grider and dress up the top of the cut so that it's level. Then I insert it into the hole and drive it in and use a screwdriver to drive the last thread in, making sure it's flush with the top of the hole.
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