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Thread: Aftermarket High Performance Plenum w/ TB

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    Aftermarket High Performance Plenum w/ TB

    As much as it pains me to do this I have to sell this beautiful PNT Performance Plenum I picked up for my car along with a 70mm CXRacing Throttle Body. Only reason I'm selling it is because it won't fit with a DR setup as it hits the rear wastegate. I tried everything I could to get it to fit, double spacers, etc but it's just too large in the rear area where it hits the wastegate, and only by 1/4" if that! I did remove the two bosses on the rear back to try and get it to fit. What they were there for I have no idea. This area has been cleaned up and re-polished.
    This thing is beautiful with smooth flow runners, velocity stacks and a large tank. Perfect for any high performance car!. With larger plenum you can expect some great gains on a high HP motor.
    When I got it the mating flange was warped so I milled it perfectly flat and ported it to match the gasket perfectly. This should fit any other car without a DR setup. Some tweaking may be required.

    Priced for a great bargain at $1000 for both the Plenum and Throttle Body which is a great deal considering what they go for new. WAIT they are NEW...lol
    If you want some actual pics I can some them this weekend.

    Here's a link on Ebay with more descriptions and pics. (Not mine)

    **NEW** MITSUBISH 3000GT GTO 6G72 INTAKE MANIFOLD 3000 - eBay (item 330362853919 end time Mar-18-11 20:04:58 PDT)


    "Life should NOT be a journey to the grave with the intention of arriving in an attractive and well preserved body, but rather to skid in sideways, chocolate in one hand, martini in the other, body thoroughly used up, totally worn out and screaming "WOO HOO what a ride!"

    ----------------[2007 Ride of the Year.................................. 3.5 Stroker I did. w/DBB DR1000's

  2. #2
    Member Not Verified Feedback Score 2 (100%) Erron Spalsbury's Avatar
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    NOOOOOOO!!! Don't sell it! Don't do it, you NEED it!!

    (did that work?)

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    Just about...lol
    Erron you can't believe how torn up I am over this. You know what the plenum looks like. I am so tempted to just take a slice off it in the back area right by that large vacuum bosses. Cut it back some and weld in a new 1/4" plate, sand and polish. What ya think?

    Quote Originally Posted by Erron Spalsbury View Post
    NOOOOOOO!!! Don't sell it! Don't do it, you NEED it!!

    (did that work?)

  4. #4
    Member Not Verified Feedback Score 2 (100%) Erron Spalsbury's Avatar
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    I'm guessing they are internally gated? Otherwise, move the gate to some other place. You can certainly mod it. The tank is so very large on these that even if you did lose say a few square inches I doubt you'd even notice.

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    I hear what ya saying. Guess I"m just very frustrated right now...lol

    Wastegates on DR setups are externally gated Here's some pics to give you an idea how close it is with a oem plenum.



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    Member Not Verified Feedback Score 2 (100%) Erron Spalsbury's Avatar
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    Shoot man, I'd just "massage" the plenum with a torch and ball-peen hammer.

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    The surge tank is cast aluminum, it'll crack.
    Gotta go look at it more......time to get the sawsall out

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    Member Not Verified Feedback Score 2 (100%) Erron Spalsbury's Avatar
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    Are they cast? I thought it was a big sheet that was bent around?

    Attack it!

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    Hey got any pics of yours installed? What TB you using?

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    Nope definitely cast..look inside.

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