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3x00 Turbo Manifolds

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  • #1

    Wanted 3x00 Turbo Manifolds

    Looking for some turbo manifolds. Just need the manifolds and crossover, no down pipe or anything. Looking for some that look like these:


    Or if anyone would want to make some for me, that would be awesome too.

    Thanks.
    1999 Grand Am SC/T - 301HP, 365TQ - ARP Rod Bolts, ARP Oil Pan Bolts, ARP Head Studs, Mild Cam, 3500 Heads w/28696 Springs, Ported 3500 LIM & 3400 UIM, GT32R @ 12PSI, Rebuilt Trans, 42.5 Injectors, Racetronix Fuel Pump, TCE Adjustable FPR, SC/T Kit, SC/T Spoiler, Shaved Trunk, WOT-Tech Coil Overs, Solid Rear Laterals w/Poly Bushings, Control Arms w/Poly Bushings, Poly Engine & Trans Mounts, Front & Rear Strut Braces
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  • #2
    I have a TGP setup that I made fit 3400 manifolds, and a rebuilt TGP crossover that I'm selling if you're interested in a T2 flange setup. Also, I'm not sure how it would fit on a GA

    Manifolds:


    Not sure if I have a pic of the crossover before it was installed.

    PM me if interested.

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    • #3
      can I get a pic of the cross over?
      1999 Grand Am SC/T - 301HP, 365TQ - ARP Rod Bolts, ARP Oil Pan Bolts, ARP Head Studs, Mild Cam, 3500 Heads w/28696 Springs, Ported 3500 LIM & 3400 UIM, GT32R @ 12PSI, Rebuilt Trans, 42.5 Injectors, Racetronix Fuel Pump, TCE Adjustable FPR, SC/T Kit, SC/T Spoiler, Shaved Trunk, WOT-Tech Coil Overs, Solid Rear Laterals w/Poly Bushings, Control Arms w/Poly Bushings, Poly Engine & Trans Mounts, Front & Rear Strut Braces

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      • #4
        I should be able to get some pics of it tonight. I store my car in my parents garage for the winter and I'm heading over tonight.

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        • #5
          What modification's were needed to make the TGP setup fit a 3400 top end?
          Sorry to threadjack,i'll pm if needed.

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          • #6
            Ok, best crossover pics I can manage right now. I took these tonight, I haven't pulled it yet.











            What modification's were needed to make the TGP setup fit a 3400 top end?
            Basically the manifolds have to be hogged out to match the D shaped port of the 3400, since the gen 2 ports and manifolds were round. There is a decent amount of material to remove, so a die grinder with a carbide burr is the way to go. You just have to be careful no to go too far...

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            • #7
              Originally posted by ghrarhg View Post
              Basically the manifolds have to be hogged out to match the D shaped port of the 3400, since the gen 2 ports and manifolds were round. There is a decent amount of material to remove, so a die grinder with a carbide burr is the way to go. You just have to be careful no to go too far...
              Sorry to continue the threadjack,but wanna be sure.
              So the port matching is the only issue,nothing else as far as fitment or bolt sizing etc.. goes.
              Thanks for the info,threadjack over-good luck with purchase/sale.

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              • #8
                Port matching is the big issue. You need to use the bolts for the Gen 2 manifolds, the Gen 3 "flange" is thinner, meaning the existing studs in your 3400 head will not be long enough. I just went to the local hardware store and got grade 12.9 bolts the correct length, can't remember the bolt size though.

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