I know the general guideline is to not blindly attempt to port an 885 head, but I still have to ask. On the head I'm working on, on the short side of the ports, there's a corner where machined section meets the casting, and another where the seat meets the port. Would it be useful to round off these edges, or am I more likely to make things worse?
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M20 Porting Question
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M20 Porting Question
Don't mean to thread Jack but if you deck the head does that effect tdc and cam timing?
Edited*
Sent from my iPhone using TapatalkLast edited by E30DriftMissile; 08-15-2016, 05:53 PM.sigpic
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if the cam axis and crank axis change then yes the cam timing moves a bit. how much was it decked?89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...
new build thread http://www.r3vlimited.com/board/showthread.php?t=317505
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