Thread: Build me a 13.5 car

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  1. #1 Build me a 13.5 car 
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    Right now I'm sitting at a modest 14.3 with a 2.065 60' on bald street tires. Would like to get to a solid 13.5 on street tires if possible but may end up grabbing a cheap set of nittos or comparible price drag radials.

    The transmission is built enough to handle the extra power so no worries on that. Also the torque converter has been bumped up around 500 or so RPM (Can't remember exactly what he put in but the numbers were supposed to be around 500 to 750 higher than stock and it feels like it)

    Current mods thus far.

    3.4 MPS (Scanned at the drag strip and .1 degrees knock at the top of 2nd gear)
    Intense Racing PCM
    3 inch Catless Downpipe
    104's
    180 thermostat
    DIY Cold air intake with 4 inch tubing
    I'm sure I'm forgetting something

    Also planning on picking up Speed Daddy headers this fall but the rest will be over the winter

    After the mods I'll have it dyno tuned

    Also don't have the money for intercooling.

    So lets hear some opinions.



    Trapping pretty consistanly around 94 to 95mph
    No More GTP for me.

    2014 Chevy Cruze ECO Manual. 40+MPG
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  2. #2 Re: Build me a 13.5 car 
    PittState Automotive Tech GAFF's Avatar
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    cam.
    SOLD 1999 GT Silvermist TS
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  3. #3 Re: Build me a 13.5 car 
    The Blue One blueguy's Avatar
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    He says he doesn't have much money...

    I say put the headers on, get meth injection...put on a 3.25" and get a good launch...with a custom tune it'll be mid to low 13's if you can drive it.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  4. #4 Re: Build me a 13.5 car 
    PittState Automotive Tech GAFF's Avatar
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    well then do rockers.. only like 300 bucks
    SOLD 1999 GT Silvermist TS
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  5. #5 Re: Build me a 13.5 car 
    PittState Automotive Tech GAFF's Avatar
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    oh nick he said money for intercooling
    SOLD 1999 GT Silvermist TS
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  6. #6 Re: Build me a 13.5 car 
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    Quote Originally Posted by bluegtp91 View Post
    He says he doesn't have much money...

    I say put the headers on, get meth injection...put on a 3.25" and get a good launch...with a custom tune it'll be mid to low 13's if you can drive it.
    I'm a decent driver IMO. Busted a 2.065 on bald street tires. But I have a lot of room to improve on.


    With meth, do I need a tune right away or is it okay temporarily with a standard pcm tune from a vendor?
    No More GTP for me.

    2014 Chevy Cruze ECO Manual. 40+MPG
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  7. #7 Re: Build me a 13.5 car 
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    Also a cam would be nice but not sure that'll havppen this year.
    No More GTP for me.

    2014 Chevy Cruze ECO Manual. 40+MPG
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  8. #8 Re: Build me a 13.5 car 
    GrandPrix Junkie Sandman's Avatar
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    Throw your headers on and get a set of rockers with a new tune. That'll help you out a bunch right there.
    05 Saab 9-2X Linear (Saabaru)
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    Quote Originally Posted by TLSheff View Post
    You said "I'm done with it"... car says "Oh, really? *trollface*"
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  9. #9 Re: Build me a 13.5 car 
    Donating Users nascartech's Avatar
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    do your headers some 1.9 rockers and smaller pully and get a in car tune
    01 GTP is3 cam 130 springs double roller 60lb injectors lq4 maf headers 4000 stall lowered
    sold 97 GTP stock
    Sold 2001 gp gt ssm90 plog dp 3.8 208 whp 265 at the crank 14.8 1/4
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  10. #10 Re: Build me a 13.5 car 
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    Quote Originally Posted by Sandman View Post
    Throw your headers on and get a set of rockers with a new tune. That'll help you out a bunch right there.
    ^ this = 13.5 ish w/ good launch
    03 GTP - 13.8 @ 100 2.160ft
    99 GTP - DD
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