Thread: What bhp is the limit using standard zetec valves ?
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Old Mar 26, 2014 | 07:47 PM
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s1cab
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Originally Posted by XRT_si
The Devil Developments Fiesta was using standard sized valves at 592bhp, though I think they were PEC ones.

I know of a few Zetec turbos with well over 400bhp that used standard Ford valves.
That's good to hear i'm going for 420-450ish
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