D1SC Procharger, Innovator's West Pulley Kit, and WCCH Stage 2 317 heads
05-15-2016, 08:40 AM
#11
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They do have milling done to them, it's been a while since it was done so I don't have exact information on it, but I believe it was enough to add half to a whole point of compression.
05-17-2016, 04:55 PM
#15
Can you get exact info of the CC's on the heads? My self and probably most others will be using a cam for max effort on a build and knowing the compression plays a big part of the cam selection.
05-17-2016, 05:09 PM
#17
If you bought them from WCCH im sure they would have record of it. If not, im sure one of the more knowing guys on here will know about what it takes it down to with .015 off factory 317s
05-17-2016, 06:11 PM
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I was wrong on the milling amount of the heads, I have now updated the first post with all the information I got from speaking with wcch about the heads.
05-17-2016, 10:49 PM
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