stripped bell housing

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stripped bell housing

Post  460bronco on July 2nd 2014, 3:47 pm

Hey guys---

Long story short, my starter kicked back twice last night and pulled the bottom starter bolt smooth out of my C6. Should I drill and tap to 7/16" bolt or put a 3/8" helicoil in it? Timing while cranking is around 20* advanced.

Thanks,
Jon
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Re: stripped bell housing

Post  dfree383 on July 2nd 2014, 3:52 pm

I'd put an insert in and get a retard box if it's kicking back that bad.
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Re: stripped bell housing

Post  460bronco on July 2nd 2014, 4:01 pm

I have the new programmable 6AL MSD box.  What amount of advance would you shoot for during cranking.  Right now my curve is flat At 20 degrees until 1400rpm then ramps to 31 degrees by 2800rpm. It is almost infinitely adjustable via lap top!

523" SCJ head 10:1 compression.

I just picked up a helicoil kit-- 35 bones w/ the tab, drill, insertion tool, and inserts.
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Re: stripped bell housing

Post  dfree383 on July 2nd 2014, 4:39 pm

Try something like 10 during cranking and then have it hit your curve when it starts
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Re: stripped bell housing

Post  69F100 on July 2nd 2014, 6:11 pm

I drilled and tap my c6 bottom hole 7\16 just have it strip the treads again from the 552 kick back from low battery put a helicore 3\8 back in it and it held great
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Re: stripped bell housing

Post  460bronco on July 2nd 2014, 10:37 pm

Heli coil is in and starter back on! Now I just have to map out a new timing curve to eliminate this occasional kick back. Thanks guys for all the help!
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