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d15b vtec head mill and deck mill

Posted:
Mon Jan 25, 2010 5:57 am
by breez
I wanted to know if I would be able to mill my head .025 mm and would the result be higher compression??

Posted:
Mon Jan 25, 2010 6:01 am
by chrono404
if it hasn't been done already then yes, and your compression would go from 9.14:1 to 9.16:1 Assuming you have a stock engine.

Posted:
Mon Jan 25, 2010 6:05 am
by breez
wat about .040 mm ??

with adjustable cam gear and deck about .020 mm ?

Posted:
Mon Jan 25, 2010 6:58 am
by chrono404
d series compression calculator
IT calculates your compression, you will need to convert your .025mm and .040mm to inches, Google will convert it when you type in .025mm to inches

Posted:
Mon Jan 25, 2010 4:09 pm
by d-mon
z6/d15b vtec head can go -.06 with a big cam with p28 or p08 piston.
any farther and you will most likely need deeper valve reliefs, depending on your cam.
vtec heads are a pain to 'clay'

Posted:
Mon Jan 25, 2010 5:50 pm
by breez
yea ok well I wanna try to get a lil more compression do I have to put in a bigger cam or could i just do a mild mill ?

Posted:
Tue Jan 26, 2010 3:56 am
by d-mon
a cam will not affect your compression.
but it can open your valves more, bringing them closer to the piston.