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inlet exhaust valve sizes
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  1. 3.0 V6 'Duratec' Petrol Engines
    hey guys does anyone knows the exact sizes of the inlet and exhaust valves of the st220 and jag heads? i have heard from one that they are larger than the st200 valves, and an other tells me that the extra flow only comes from the open lower manifold. anyone with some real info? thanks
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