Miata Turbo Forum - Boost cars, acquire cats. - Replacing Crank Pulley on Balanced Motor

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Gijeff1805

10-04-2015 09:44 PM

Replacing Crank Pulley on Balanced Motor

Do you need to re-balance the crank, etc. if you go from an OEM to SuperMiata Crank pulley?

bcrx7

10-05-2015 03:57 PM

As far as I know the crank is balanced without the crank pulley as the crank pulley is supposed to be a balanced unit on its own. You should not have an issue.

Joe Perez

10-05-2015 04:11 PM

I've never heard of any shop balancing a crank with the harmonic damper installer.

Seems to me that damping vibration is the last thing you'd want to happen while something is on the spin balancer.

patsmx5

10-05-2015 05:36 PM

Quote:

Originally Posted by Gijeff1805 (Post 1271971)

Do you need to re-balance the crank, etc. if you go from an OEM to SuperMiata Crank pulley?

No, you'll be fine. Miata engines are internally balanced.

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