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September 29th, 2008

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Q & A: TD Valve Angle

Tuesday December 23rd, 2008
Q & A, MGA, MGB, MGC, MG T-Type, Midget
am rebuilding a 52 TD head with new steelite valves and standard guides and competition springs. My question is I have read a couple different oppinons about valve angle . Should it be kept at the 30 degree angle or cut to the 45 degree angle or what is your best opinnon. Thanks again for your help .

I would keep the 30 degree valve face but make sure your machine shop gives it a triple cut to allow the gasses to sweep around the valve seat with less restriction. But, for the record, I don't do our own valve jobs -- we send them out. We've h... read more