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Old 10-12-2017, 01:02 AM   #1
Egez
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Default How much to shave off from B234F head for NA build?

So, I am currently building a b234+b230 hybrid for winter daily and I am about to take the cylinder head to machine shop.

I was wondering how much I could shave off the head for daily driven NA build, without enlargening the valve reliefs or adjustable cam gears?
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Old 10-12-2017, 01:35 AM   #2
Jack
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Good machine shop.. or just any in Finland should know
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Old 10-12-2017, 06:10 AM   #3
DET17
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I'm certain the greenbooks call out a limit to cutting on the 8V heads.... but I don't have the books for the B234F. The amount is surprisingly large for the 8V heads as I recall.
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