helicoiling.....
Thread Starter
Boost Builder
Joined: May 2003
Posts: 3,272
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From: Blackpool
helicoiling.....
is it easy to do?? ie drill tap and then insert?? just put headgasket on track car and one of the bolts were sloppy in hole and feels like its going to loose the threads so gonna get a kit ready if its easy to do 
