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It's tuned!

This is a discussion on It's tuned! within the Dyno Information forums, part of the Racing Forums category; I got my trans am tuned yesterday. I am so glad I did. It runs so much better.. like night ...

  1. #1
    Member chieftransam's Avatar
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    Thumbs up It's tuned!

    I got my trans am tuned yesterday. I am so glad I did. It runs so much better.. like night and day difference now!

    put down 404 hp and 390 tq. With the cutout I got 414 hp and 402 tq.



    What do you guys think? I'm just about ready for a 12 bolt and a few smaller things and I'm done with her. What are the stock injectors good to as far as hp ratings? Also the stock fuel pump-if you upgrade the fuel pump do you need to upgrade the fuel rails or no? If I have 404 to the wheels, then how much @ the crank? Is there a formula to figure it out. Sorry for all the questions... thanks!
    Last edited by chieftransam; 11-13-2007 at 12:02 PM.

  2. #2
    Senior Member mrr23's Avatar
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    pretty good numbers right there.

    stock injectors should be good for around 450+ rwhp. you have the 28#.

    do not need to upgrade the fuel rails.

    m6 is about 12% loss. so 404 / .88 (12%) = 459

  3. #3
    Member chieftransam's Avatar
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    Awesome and thanks. Any need to upgrade the fuel pump? I had never ran the electric cutout at wot, but when he did I thought my head was going to explode! lol

    With it open I got 415 hp. I love the way it sounds too...

    He said 3 things hurt me on the dyno: humidity (weather), I had drag radials on, and stock catback!

  4. #4
    Senior Member mrr23's Avatar
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    dark bowling green
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    i don't see a need to upgrade the fuel pump. i've been 482 rwhp with a stock fuel system.

    changing to an aftermarket exhaust system might get you to 430ish. go with a tru-dual system like the bassani. it's what i have on both of my cars.

  5. #5
    Wants to be Snowboarding FuhBreezeE's Avatar
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    Quote Originally Posted by mrr23 View Post
    i don't see a need to upgrade the fuel pump. i've been 482 rwhp with a stock fuel system.

    changing to an aftermarket exhaust system might get you to 430ish. go with a tru-dual system like the bassani. it's what i have on both of my cars.
    Biased much? I'm pretty partial to TSP True Duals with SLP Shotgun Resonators in place of mufflers

    Good Numbers!
    I upgraded to 30lb Ford Racing Injectors because I could, can't hurt!
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  6. #6
    Member chieftransam's Avatar
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    Thanks...

    I've been looking into a true dual setup but not sure yet. What is the most common true dual setup that everyone runs?

  7. #7
    Wants to be Snowboarding FuhBreezeE's Avatar
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    Get a custom setup, don't have to worry about scraping.
    For Example:

    I think the majority uses TSP True Duals, but Bassani is pretty popular as well.

  8. #8
    Member chieftransam's Avatar
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    How much do they cost and how mcuh hp will they free up?

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