 Engine case motor mount bolts stripped |
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| ejmetz |
 Apr 10 2020, 10:53 AM
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Newbie  Group: Members Posts: 17 Joined: 28-August 18 From: Atlanta Member No.: 22,438 Region Association: South East States  |
Hi Guys,
Reassembling my engine and I ran into a situation I am unsure about. The PO used helicoils to repair the 4 M8 holes for the motor mount brackets on the engine case. Those helicoils are now shot and need to come out. I removed 2 of them and retapped the holes for M8 Time-Sert repair inserts. Unfortunately, the holes seem to be too big to allow the Time-Serts to properly engage. I am now thinking of drilling the hole out to 9mm and tapping it for M10x 1.25. Any thoughts on whether this is an OK repair or if would leave the walls of the bosses too thin? TIA! Attached thumbnail(s) 
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