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Crank Thread

waxer52

By waxer52,
in Engines & Forced Induction

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waxer52 Enthusiast

waxer52

Posted
Posted

Got a garage to do some work on my rb25/30 and they have managed to destroy the thread in the end of the crank where the pulley is bolted on.

What can be done to fix it while the engine is still in the car.

Can I redrill and rethread the hole to the next size up from standard.

Also I have an rd28 engine here and I'm wondering can I use that if I have to replace the crank.

Thanks.

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jarrod83 Community Regular

jarrod83

Posted
Posted

How badly damaged is it? i managed to damage mine one night foolishly... rang up an engineering mob and they said they could fix it no worries, they said they could retap it and see if it will hold otherwise they could tap it out slightly bigger and make a new custom bolt, I'd recommend finding a good engineering place and doing something similar

Jarrod

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  • 2 weeks later...
kopcicle Newbie

kopcicle

Posted
Posted
Its totally mangled the bolt. I might try a helicoil on it and if that does not work I will have to rethread bigger and use a custom bolt.

Sry to bother but does this link make my a$$ look too big ? :thanks:

Piston Bore Damage

look I realize that it was posted some time ago and my partners in crime at btk would like to apologize for not getting to it sooner . How you fell through the cracks I don't know .

If it doesn't ring a bell then ...

Nevermind and have a great day

~kop

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