Originally posted by Grunmk1
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The head is nicely ported for mid range, so the gas speed is quite good down low (this is another reason I didn't choose an equal length header, as they're too big-turbo oriented).
I may well be jumping the gun anyway, as there is a lot more work to be done on the maps. I'd like to see close to 15psi at 3000rpm, though, so I'll report back on whether or not that's only a dream!!!


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