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3.4 DOHC Boost???

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  • 3.4 DOHC Boost???

    im eventually looking into boosting my 3.4 i have a cutlass and it seems that theres not much space under there for money to power and reliability wise what would be my better choice a turbo or supercharger and what would mount up easiest to this engine and space? i was thinking centrifugal supercharger but am still unsure?

  • #2
    both are going to be good options. looking at a RSM kit for another 60* v6 with some modifications might be fun. but turbo will most likely give you the most bang for you buck as far as power. a few guys on here are turboed including myself... it all depends on what kinda power your looking for.

    if you do a search there are a few topics about the same question.

    S
    Shane "RedZMonte"
    2004 Corvette Z06 Commemorative Edition -VIRGIN
    1995 Monte Carlo Z34 14.38@101mph, 331hp/355tq
    -Turbonetics T04E Super 60 Turbo, 2.5" Borla Catback, OBDII, 42.5# Injectors
    2004 Subaru WRX STI -Lightly Modded (SOLD)
    1994 Lumina Z34 -VIRGIN (SOLD)
    1992 Lumina Z34-VIRGIN (RIP)
    1992 L67 Lumina Z34 (SOLD)
    1990 Turbo Grand Prix (SOLD)

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    • #3
      i want torque more low end to be specific

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      • #4
        Originally posted by synistershadows View Post
        i want torque more low end to be specific
        So you want uncontrollable wheel spin?
        Lifting my front wheels, one jack at a time.

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        • #5
          If you want more low end torque, the worst possible choice is a centrifugal supercharger. Centrifugal superchargers only make maximum boost at redline and significantly less boost at lower RPM (roughly, boost = max boost * current RPM / Max RPM)
          You probably want a small turbo. The GT3071R or GT3076R should spool very quickly and be capable of over 400 horsepower.

          Tim
          1995 Z34 - T04E "60" trim, 42.5 lb/hr injectors, AEM WBO2, FFP UD&DB, 3" exhaust, 2800 stall, shift kit, tranny cooler, Powerslot, Hawk HPS, rear disc conversion, KYB, Eibach, HMS F&R STB, Fittipaldi Force 18" wheels, big stereo, lots more coming eventually...
          325 whp 350 lb-ft

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          • #6
            i have not boosted mine but the car i bought used to be boosted at some point.

            this guy relocated the battery to the trunk to make room for the turbo and cut a hole in the bottom of the battery box to run the IC piping through.

            other than that he welded a couple brackets to the inside of the metal bumper.

            i have a ton of the project pics somewhere.

            i still have the IC and a few pipes btw. if you want them i could let you have them for $40 plus shipping.

            he also modified the intake manifold and the crossover coolant pipe. i have those too. $65 plus shipping

            lastly, he was using a 91-95 dohc and simply flipped the front manifold over and put it in the rear and fabbed a crossover pipe. i sold the pipe but still have the manifold. $25 plus shipping.

            if you want it all, i'll sell it all for $100 plus shipping. a decent start for a decent price i think.
            Last edited by dohcfiend; 12-31-2007, 06:00 PM.
            The Official Rotating Mass Nazi

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            • #7
              Originally posted by dohcfiend View Post
              i have not boosted mine but the car i bought used to be boosted at some point.

              this guy relocated the battery to the trunk to make room for the turbo and cut a hole in the bottom of the battery box to run the IC piping through.

              other than that he welded a couple brackets to the inside of the metal bumper.

              i have a ton of the project pics somewhere.

              i still have the IC and a few pipes btw. if you want them i could let you have them for $40 plus shipping.

              he also modified the intake manifold and the crossover coolant pipe. i have those too. $65 plus shipping

              lastly, he was using a 91-95 dohc and simply flipped the front manifold over and put it in the rear and fabbed a crossover pipe. i sold the pipe but still have the manifold. $25 plus shipping.

              if you want it all, i'll sell it all for $100 plus shipping. a decent start for a decent price i think.

              POST THEM!!! Itsa grand prix for once, i gotta see!!

              -GREEN 1995 Pontiac Grand Prix SE - L82/5spd MTX +
              -White 1995 Pontiac Grand Prix GTP - 97 207DOHC/6SPD MTX +

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