milling a sohc. does it raise hp?
03-29-2008, 02:22 AM
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Re: milling a sohc. does it raise hp? (roycivic92)
i can only imagine it would, not sure how much, but raising the displacement only if its a small amount will give you some gains... not sure if the money
utcome ratio will be in your favor...
bump for more input
utcome ratio will be in your favor...bump for more input
03-29-2008, 05:02 AM
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Re: milling a sohc. does it raise hp? (obuhmyuh)
google zealautoworks for that handy dandy calculator. If you already have the head off getting it milled is only 30 or 40 bucks and you will pick up a few ponies. You cna't mill it too much of course because of the valves of course.
03-29-2008, 08:05 AM
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Re: (ho bag)
Well i no that for every point of compressin you gain its somethin like a 4% hp gain. I was goin to do this but the ol wallet changed my mind, kinda tight up on money 
03-29-2008, 11:12 AM
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Re: (roycivic92)
I milled the head on my z6 and i noticed a bit of power increase but be sure to check youre iacv and pcv valves before you put it back together cuz mine has some serious blowby issues that need to be worked out
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03-29-2008, 01:23 PM
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Re: (faxshatch)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by faxshatch »</TD></TR><TR><TD CLASS="quote">Well i no that for every point of compressin you gain its somethin like a 4% hp gain.</TD></TR></TABLE>
Right, but it's more like a 2-3% increase. The percentage drops once you surpass a certain compression ratio (14:1 I think?).
Right, but it's more like a 2-3% increase. The percentage drops once you surpass a certain compression ratio (14:1 I think?).
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