Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Opinions of world products heads?
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Old 06-28-2003, 10:21 PM
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mstngjoe mstngjoe is offline
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There were some of the early Roush heads that had a casting flaw in the exhaust port. Significant impact to the exhaust flow.
Probably due to a core shift during casting. It could be cleaned up with a Dremel though.

I would guess they have addressed it by now.
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