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Custom plenum for 91-95's is now complete except testing

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  • #16
    HOLY CRAP that looks amazing. Even if it doesn't improve the performance, it certainly has improved the looks of the motor, and space of course.
    1995 Pontiac GTP
    Over $12K invested, and still its slow. Maybe thats because thats most all repairs. Don\'t knock the engine though, because thats the only part that has seemed to last.

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    • #17
      My hats off to you man. Now that is some fine work. Very nice indeed. Bravo, Its so cool to see what everyone comes up with in terms of crazy one off projects like this.

      Wicked. Just wicked.
      Colin
      92 Sunbird GT, 3200 Hybrid 13.99@ 95.22 (2004)
      90 Eagle Talon TSi AWD 10.54 @ 129mph.

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      • #18
        what kind of epoxy did you use and where did you get it from? I would love to make some valve covers, and an intake for my 3.1L ohv similar to yours to make some eye candy under the hood(as well as to get rid of the crappy intake manifold). By the way whats happening with this intake? I saw it on another board damaged from a backfire???
        98 camaro swapping in lz9 th400 setup
        LZ9 specs: (Subject to Change work in progress)
        4.0L(after bore 3.917 and stroke 3.3485),carrillo sbc rods(narrowed),wiseco custom forged pistons 8.5:1 CR, TCE Double Roller timing chain, gen 3 cam, P&P heads, headers 1 3/4 primaries into 3-1 collector, and going to run ms2.

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        • #19
          Originally posted by Nightingale
          what kind of epoxy did you use and where did you get it from? I would love to make some valve covers, and an intake for my 3.1L ohv similar to yours to make some eye candy under the hood(as well as to get rid of the crappy intake manifold). By the way whats happening with this intake? I saw it on another board damaged from a backfire???
          mcmaster.com was my source for the high temp epoxy

          as for damage - yep it stood up to a minor explotion from an intake full of starter fluid having a backfire - only minor damage - mostly the evidence shows it was a flaw in my layup of the glass that popped off.. some dremel action, put it back together and reinforce it a bit and it should have no problem standing up to boost

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          • #20
            That... is FUCKED! Props for the work, man!
            1995 Pontiac Grand Prix SE - 3100/3400 hybrid

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            • #21
              Originally posted by GP1138
              That... is FUCKED! Props for the work, man!
              if by fucked you mean fucking insanely awesome, than yes i totally agree!
              i wanna see how this bad boy performs, if it performs and streets well and ends up with a non-lethal price tag, people will buy those up like hotcakes !

              props, and IGARB!



              EDIT: when you do tune, can you show baseline and after numbers ?


              The Preservation for POS W-bodies VP and Member
              1994 Pontiac Grand Prix GTP | 3.4L 207ci DOHC 60º V6; 4T60e Dark green on Seafoam

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              • #22
                I can see something like this being a great intake for a forced induction setup, but I too am curious what she will do NA when you finish fixing it. Anyhow great work, and goodluck wth the repairs.
                98 camaro swapping in lz9 th400 setup
                LZ9 specs: (Subject to Change work in progress)
                4.0L(after bore 3.917 and stroke 3.3485),carrillo sbc rods(narrowed),wiseco custom forged pistons 8.5:1 CR, TCE Double Roller timing chain, gen 3 cam, P&P heads, headers 1 3/4 primaries into 3-1 collector, and going to run ms2.

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                • #23
                  yeah i plan to dyno it before doing any cam timing changes - so i'll do a run off boost (which of course would be even better with some cam timing)

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                  • #24
                    Let us know if there are any gains and what they are!!!!!!!!!!!!
                    If there good you could start making them.
                    1991 Grand Prix STE
                    3.4 DOHC
                    1 of 792 Produced
                    Extensive Mods Done

                    1991 Lumina Z34
                    3.4 DOHC
                    Getrag 284 5spd
                    1 of 30
                    Canadian Z34 Models Made with the Getrag 5spd Wahoooo!

                    1980 GMC Sierra Classic C25 With 18,000 ORIGINAL MILES!!!!

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