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Hello everybody,

I have a set of new MP 452 heads in the box(84cc chamber)for my 440 engine.
Using a comp calculator i would get a comp ratio of 9.30 with a .039" gasket.

Well, i sent a mail to Hughes for ordering one of their whisplash cams,and they said to me that 9.30 is too low for aluminium heads and i will need to mill the heads 0.50 or 0.60..
Also said that a .020 gasket is not an option for alu heads.

I,m not very happy about that idea...troubles with the intake fitment,valve clearances etc...

What is your opinion?

Thanks a lot in advance for any input.




aren't 452's iron? What'd I miss? Some guys use steel shim gasket w/ alum heads..


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