Thread: 3.4 or 3.5?

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  1. #1 3.4 or 3.5? 
    SE Level Member Ninjo's Avatar
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    Ok so im working on geting setup for a 3.4.. but i need to make sure.. ive got a 3" DP comin w/ some plugs, and i got a make shift cold air which i plan on upgrading.. am i capable of getting a 3.4 for now.. or just go w/ a 3.5?
    2002 Grand Prix GTP Short Ram intake/ Full 3" DP & Exhaust, Dynomax Bullets/ Autolite XP104's/ ~~Coming soon... 3.35pulley & Tune~~
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  2. #2 Re: 3.4 or 3.5? 
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    Invest in a Tuner, and learn to tune first if you haven't. Just slapping a down pipe, and cold air on your car will probably work, for a 3.4 pulley, but you need to tune for that setup to be safe. IMO
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  3. #3 Re: 3.4 or 3.5? 
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    Quote Originally Posted by Progas View Post
    Invest in a Tuner, and learn to tune first if you haven't. Just slapping a down pipe, and cold air on your car will probably work, for a 3.4 pulley, but you need to tune for that setup to be safe. IMO
    Not the best advice for the majority of the community.


    Go to one of the vendors (Intense/ZZP/etc.) and purchase a programmed PCM. Would be best to get it before the pulley but if not you should be fine anyways.
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  4. #4 Re: 3.4 or 3.5? 
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    Yes I agree, a PCM is the fastest easy/safe way to make it all work.
    2000 GTP / 4" FWI / TB Heat spacer / TB Heat shield/3" DP / 3" Cat Back / 3.4" MPS / MSD Street Fire Wires / AP 103's / HP Tuned
    Coming Soon: Headers / Methanol Injection
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  5. #5 Re: 3.4 or 3.5? 
    SE Level Member Ninjo's Avatar
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    so i should just throw down the extra 100$ and get a tuner too? i was going to buy the DP and 3.4 and plugs and throw everything on but the pulley till i get a PCM tune.

    I was also going to go for the aluminized Dp because when i get my return i was just gonna throw down and get some headers, maybe a cam. and ported blower and intake manifold.
    2002 Grand Prix GTP Short Ram intake/ Full 3" DP & Exhaust, Dynomax Bullets/ Autolite XP104's/ ~~Coming soon... 3.35pulley & Tune~~
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  6. #6 Re: 3.4 or 3.5? 
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    Quote Originally Posted by Ninjo View Post
    so i should just throw down the extra 100$ and get a tuner too? i was going to buy the DP and 3.4 and plugs and throw everything on but the pulley till i get a PCM tune.

    I was also going to go for the aluminized Dp because when i get my return i was just gonna throw down and get some headers, maybe a cam. and ported blower and intake manifold.
    A tuner is going to cost you more than $100.
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  7. #7 Re: 3.4 or 3.5? 
    GTP Level Member Smokin2000gtp's Avatar
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    Ya a pcm is the cheapest option, but I think the $200 extra for the tuner is well worth it IMO.
    Last edited by Smokin2000gtp; 11-07-2008 at 10:29 PM.
    2000 Silvermist Grand Prix GTP Coupe

    Mods-Custom Thrasher CAI|Ceramic Coated S&S Headers|3.4" pulley|ZZP S4 Blower|Powrtuner|PRJ 10.4mm wires|HIDs|F-Body brakes|Koni's and Voglant's|
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  8. #8 Re: 3.4 or 3.5? 
    DUI BABY Bio248's Avatar
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    who needs a tuner? who really wants to learn how to tune?

    eh, i dont want one. its must easier to get a decently good tune and then just let me adjust it on my own with my AFC and happy knob. just buy a preprogrammed pcm.
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  9. #9 Re: 3.4 or 3.5? 
    SE Level Member Ninjo's Avatar
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    thats what i was thinking about to is just getting a pretuned PCM.. maybe by overkill
    2002 Grand Prix GTP Short Ram intake/ Full 3" DP & Exhaust, Dynomax Bullets/ Autolite XP104's/ ~~Coming soon... 3.35pulley & Tune~~
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