To SHIM or Not to SHIM

90coug

Registered User
Can you go wrong just installing a slave cylinder SHIM even if you don't need one? I have an aftermarket flywheel and clutch to install, they are new but I've read that a SHIM is probably good to have. I just don't know how to measure the clearance, can someone fill me in on that?

Thanks!
 
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Do you still have your old flywheel?

If so, put it back on and using a straight edge, measure the distance from the flywheel to the end of the engine block.....

Install your new flywheel and measure the distance again.....

If they are close, you probably don't need a shim....

If there is a large difference, then shimming would be a good choice.....

Kudos to DD.....
 
If you have a precision flat table you can sit both flywheels on it and measure from the crank area to the table between the two. If you have more than about .030 between the two I would go ahead and install a shim. I think the shims are available in .050 and .100.
Alan
 
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