Thread: Heads Port and Polish, Cam, etc

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Originally Posted by techinspector1

I would sell the RHS heads and buy a set of Airflow Research heads.
Take a look at this tutorial that I wrote several years ago concerning cams, what to do and what not to do.
https://www.crankshaftcoalition.com/..._compatibility

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Great info in that article! And thanks for the response. What's you're opinion on the cam I mentioned?

XR294HR, Part number 08-443-8, 242/248 at .050, .54/.562, 110 separation

My CR should be 10.5:1 with the PTS506A3 -5 Wiseco pistons and the 64cc/200cc heads. Felpro 1003 gasket with a .041 compressed thickness. Holley 770. Not a track car but I love a zero-60 and a 40 roll while on an evening cruise. Also a little worried about vacuum. It's a Vette and the whole car runs on vacuum. May need a vacuum pump.

Thanks again!