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Thread: critique my port job.

  1. #31
    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.

  2. #32
    Join Date
    Sep 2011
    Posts
    1,235
    Well life has been tough for a single father raising a 4yo baby girl by himself but I'm getting back on my port job project and figured I'd gibe a lil update. Hope to start on the intake runners tomorrow.
    Attached Images

  3. #33
    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 : (

  4. #34
    Join Date
    Sep 2011
    Posts
    1,235
    Just finished up the exhaust side. Local guy just bought a flow bench so it looks like I'm gonna have a chance to actually get some numbers on these things!
    Attached Images

  5. #35
    Join Date
    Oct 2011
    Location
    San Antonio TX
    Posts
    1,150
    Looks good to me. Raising kid by ones self can be tough thats for sure, i give u a ton of props cuz i know of a couple of deadbeat dads that dont want nothing to do with their kids.


    4.8, TSP 220, 6L90 swap, 3400 Stall, 4.10s w/30" drag radial and T76 @ 16lbs.
    Best ET 11.54@114 w 1.52 60ft
    Raceweight 4905 lbs.

  6. #36
    Join Date
    Jan 2008
    Posts
    1,550
    Looking good man!!!

    04 RCSB 5.3, Homemade 80mm FM, TU1, TH400

  7. #37
    Join Date
    Sep 2011
    Posts
    1,235
    Finally got started on the intake runners, I didn't really open them up to much just removed the rocker arm stud bump, the swirl ramp, and blended the bowls. I had sand paper rolls from an actual head porting kit which mode my day a lot easier.
    Attached Images

  8. #38
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    Don't get the finish too smooth or you'll have fuel droplets turning into streams. You need a rough finish.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  9. #39
    Join Date
    Sep 2011
    Posts
    1,235
    Think 240 grit would leave a good finish on it?

  10. #40
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    more like 80 grit, 240 is damn near a polish on aluminum.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

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