Milling the head
02-22-2003, 10:39 AM
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Milling the head
What exactly does it mean to mill the head. What are the benefits? what are the disadvantages? How much does it cost? Is it worth doing to a 3.0 v6 CL?
02-22-2003, 01:06 PM
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Originally posted by djz
milling the head would be to remove material from the head.....basicly to increse compression (ie: more power).
milling the head would be to remove material from the head.....basicly to increse compression (ie: more power).
You'll have to mill both of your heads.
02-22-2003, 01:57 PM
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I would do this last. Its a pricey Mod and depending on the new compression, you may have to get better pistons and especially rings. I believe unless your racing your car there is no need to do this for 5-7 extra hps max. This is also a mod that the more you have done to your motor the more beneficial it becomes.
02-23-2003, 11:22 AM
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milling the head increases compression ???
I always thought it refered to a port and pollish or extrude hone job. matching the intake runners to the block. To increase air flow to the clyinders. besides removing marerial from the a clyinder would decrease the compresion i thought.
I always thought it refered to a port and pollish or extrude hone job. matching the intake runners to the block. To increase air flow to the clyinders. besides removing marerial from the a clyinder would decrease the compresion i thought.
02-23-2003, 04:14 PM
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Originally posted by Chen
heads have nothing to do with the compression. deck height, bore size, piston type, and rod length can affect the compression ratio, not a port and polish.
heads have nothing to do with the compression. deck height, bore size, piston type, and rod length can affect the compression ratio, not a port and polish.
Milling the head is equivelant to lowering the deck height.
Porting and polishing a head is not the same as milling the face that sits on the block.
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