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General Car Related Discussion.To discuss anything that is related to cars and automotive technology that doesnt naturally fit into another forum catagory.
Don't think Harvey Gibbs had any problems until he went over 700bhp and 8000rpm so had to add a second pot or something.
Pretty sure his 600bhp engine only had the simple wrc breather set up though.
Mike Rainbird will know for sure, so would be worth a pm.