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Tom Wesenberg · 03-10-2017, 04:54 PM

Screw in a spark plug, buy a CC tube, fill it with sugar, then pour it into the combustion chamber to see how many CC's it takes to make it level. Compare that to an original head.

03-10-2017, 04:54 PM	#14
Tom Wesenberg Senior Member Join Date: May 2010 Location: Mpls, MN Posts: 27,582	Re: Rallum Head Screw in a spark plug, buy a CC tube, fill it with sugar, then pour it into the combustion chamber to see how many CC's it takes to make it level. Compare that to an original head.