Thread: exhaust cross over (heat riser) fill
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Old 01-28-2013, 11:57 PM   #4
Mark Yacavone
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Default Re: exhaust cross over (heat riser) fill
Quote:
Originally Posted by FSA1673 View Post
Mine have been filled with aluminum, poured in from the combustion chamber. I used to just have them blocked off with aluminum plates on the intake side of the head. My 71 HO intake is aluminum and does not have the heat cross over as part of the intake.

I am curious if filling the head with aluminum will result in any power gains now that the two middle cylinders are not connected anymore.

Any thoughts??

Scott
Scott, You've got to figure that now you are using a true 4-tube header .. FWIW
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