$projecthp
  • Did Modified Plenum and Inj. Housings!!!!
  • Did Modified Plenum and Inj. Housings!!!!
  • Did Modified Plenum and Inj. Housings!!!!
  • Did Modified Plenum and Inj. Housings!!!!

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  1. #1
    Canzr1
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    Not on mine (yet), this was on a buddies '90. We started bolting her back together about 10am and we were done by Noon. She fired right up and sounded SCHWEET!! I need this mod soon! Nah, I need gears first! I highly recommend this mod though.

  2. #2
    Steel Half-Shafts
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    Canzr1,

    Sounds very interesting

    What were the modifications done to the Plenum and Inj. Housings and who did them

  3. #3
    Canzr1
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    They were just ported. The porting was done in Georgia somewhere, I forgot who he said did it. We also put on a 63mm throttle body. I love going under the plenum, its alot easier to pull than it looks.

  4. #4
    USA ZR1
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    The work was probably done by Aaron Scott at South Georgia Corvette. Aaron is an excellent LT5 tuner. My siamese plenum is at Greg Van Deventer's shop in Stillwater,having a set of injector housings match-ported. Greg is one of the best around,too.

  5. #5
    HwyStar
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    Are you guys going to dyno the beast to see what kind of improvements you got from the porting? Doug Rippie wants $2K for Porting, 62mm , chip and air filter lid. He claims 415 H.P and 390lbs of torque. Is that too expensive for the job? CANZR1, I agree with you, I'd rather get the gears first. I was thinking 4.10's how about you?

  6. #6
    Member
    Join Date
    Dec 2000
    Location
    Alexandria VA
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    216
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    4.10 gears are a great mod. the Dana Viper Super 44s are the way to go but I heard they may have stopped producing them. if you have a stock engine, 4.27 or even 4.56 might be better.

    more power or nitrous coming??? stay with the 4.10s IMHO.

    2K is a pretty standard price from DRM. I would check with Greg as Cliff did as he's who many use for their head porting (cut out the middle man!!!)

    Cliff, what did he charge to siamese the intake??

    I also heard that John Stewart is working on a new intake, might be better than porting/siamesing the stocker.

    any update there Cliff??? I will call John too.

    thanks.
    President ZR-1 Net Registry
    95 ZR-1, Lingenfelter Super Vette (508 RWHP)
    2003 Z06 Twin Turbo (796 RWHP)
    www.zr1netregistry.com

  7. #7
    Canzr1
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    Yeah, it was Aaron who did the porting. We will probably dyno at BG this year, I know I am! I'll prolly do 4.10's but I am trying to get this set of 4.30's I know about, but so far the guy won't part with them! I need to get my @ss in gear(pun intended) and get this done before BG.

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