Flywheel Bolt Clearence - Team Camaro Tech
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post #1 of 8 (permalink) Old Dec 16th, 08, 06:27 AM Thread Starter
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Post Flywheel Bolt Clearence

How much clearence should there be between the flywheel bolts and the block while they are torqued to spec to the flywheel flange? I am using new stock flywheel bolts with the correct lock washers. The bolts are only about a 40 thousanths of an inch from the back of the block casting.

Thank for the help.

Last edited by 69camaro1; Dec 16th, 08 at 10:56 AM.
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post #2 of 8 (permalink) Old Dec 16th, 08, 07:03 AM
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Re: Flywheel Bolt Clearence

I dont have the measurements, someone here will probably give you that, but the difference might be flexplate vs flywheel. Flywheel bolts are longer.

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post #3 of 8 (permalink) Old Dec 16th, 08, 05:10 PM
 
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Re: Flywheel Bolt Clearence

Right, they are shorter for a flexplate and longer for a flywheel.

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post #4 of 8 (permalink) Old Dec 16th, 08, 05:37 PM
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Re: Flywheel Bolt Clearence

69,
If it is an automatic flywheel, and you have the correct bolts, they really should not come out of the crankshaft flange much at all. The threads on the correct bolts are probably less than 1/2" long. Sounds like you may have bolts for a manual transmission flywheel.

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post #5 of 8 (permalink) Old Dec 16th, 08, 07:12 PM
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Re: Flywheel Bolt Clearence

Quote:
Originally Posted by BillK View Post
69, they really should not come out of the crankshaft flange much at all.
Either set-up, flexplate or flywheel, bolt should have less than two threads showing on the block side of the crankshaft flange.

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post #6 of 8 (permalink) Old Dec 16th, 08, 07:16 PM
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Re: Flywheel Bolt Clearence

For those longer bolts sticking out of the threaded hole, remember the crank will walk a few thousands, if you thrust bearing surfaces are good.

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post #7 of 8 (permalink) Old Dec 16th, 08, 08:06 PM Thread Starter
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Re: Flywheel Bolt Clearence

Thanks for all of the help. Just to clarify it's a manual trans flywheel, not an automatic trans flexplate.
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post #8 of 8 (permalink) Old Dec 17th, 08, 08:50 PM
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Re: Flywheel Bolt Clearence

Did you use spacers?

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