Thread: Mods and HP/HPW

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  1. #1 Mods and HP/HPW 
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    Curious on what HP you can get on a Supercharged 04 GTP without an intercooler, know that every car is different l. Just want to know #'s and/if what did you have before installing an intercooler???

    Asking cuz I'm into my build and now that the yr is up, I'm thinking about Turbo and but mainly Twincharged because it sounds so much cooler ha. Please chime in, please[emoji1488]!

    PS, if anyone near Union City CA, has/knows how to work their HP Tuners I'M [emoji817]% DOWN! Because, I'll need it [emoji1476]

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  3. #2 Re: Mods and HP/HPW 
    GTP Level Member FriboRage's Avatar
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    I canít speak much to hp numbers, I feel like a lot of people in the community shoot for 300 neighborhood at the crank without intercooling. I never had mine dynoed so I canít say for sure.

    As for twin charging, though.... the consensus for a long time has been that the m90 would be a restriction to the turbo, since the cfm of the turbo is probably pretty far above the blowerís cfm.

    Basically leaving the supercharger intact is creating a choke point for the turbo trying to push air. Sure maybe it sounds cool to say to someone who doesnít know what youíre saying, but youíll do better power going just turbo.
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  5. #3 Re: Mods and HP/HPW 
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    Thanks for chiming in. I was waiting for a minute to hear some type of input. Can you argue that going Twincharged the goal is to be faster and not drink up too much gas at the same time? Just throwing it out there. I dont know too much about the setup myself

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  6. #4 Re: Mods and HP/HPW 
    GrandPrix Junkie SgtMarshal's Avatar
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    I've heard enough people argue both ways about twincharging that I don't think the blower is a restriction. you can open up the lower intake manifold quite a bit, that leaves the blower case as the only restriction, which I don't think would be much.

    on a different topic, the blower isn't near as efficient as a turbo, so making more power by using both power adders is also subjective. you would need a big turbo to take advantage of the supercharger boost, and then you are going to run into transmission issues.
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