Thread: are st170 inlet ports the same as blacktop zetecs?
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Old Jun 22, 2007 | 06:37 PM
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XRT_si
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No from what i understand they are a LONG way off. ST170 heads flow to 400bhp with standard valves just need the VVT remeoved and exhaust ports opened up a little. well thats what Ian Howell told me last week
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