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Thread: critique my port job.

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  1. #1
    Join Date
    Sep 2011
    Posts
    1,235
    What do you guys think about milling the 853 heads to get the combustion chambers close to 862's ? Or should I leave the the chambers big to lower the compression for the boost? I'm kinda leaning towards milling them.

  2. #2
    Join Date
    Sep 2007
    Location
    Ottawa, ON
    Posts
    911
    Looks good to me, although I have no experience with that kind of work. I also had a 243 head with a dickered cylinder due to a dropped valve, kicking my self in the ass for turfing it. Would like to do mine but scared to frig it up lol.
    2000 Chevy Silverado RCSB LS6 5 speed, LS6 short block, 317 heads, LS6 intake, Lunati 220/224 .575/.575 112LSA cam, Edelbrock Headers, CTS-V accessory drive, Nelson Performance Custom Tune.

  3. #3
    Join Date
    Jan 2005
    Location
    Humble/Houston TX
    Posts
    2,586
    dont run a fast 102 behind boost. seen one flexing all over the place behind a turbo. the N/A performance of those 102 intakes is awesome, but the quality of the build is shit IMO. it literrally looked like it would blow up a little like a baloon under boost. then when you let off of the gas, it would suck in. scarry looking.

    old mod list: H/C/I/N/E/G 408
    new mod list: 5.3, gears/posi, mufler and tune : (

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