Thread: What did stock 197 HO heads flow?
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Old 04-07-2007, 08:22 PM
Skip Fix's Avatar
Skip Fix Skip Fix is offline
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Join Date: Dec 1999
Location: Katy,TX USA
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My friend Joe's yellow 72 HO Formula was recently in HPP that has those ported heads on it. Hasn't been to the track with it. I think Butler recommended a Comp XE 268 cam for it since it is mainly street.

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