Thread: what do you think the gains will be

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  1. #1 what do you think the gains will be 
    Donating Users nascartech's Avatar
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    ok so on my car right now i have 2.5 cated dp hv3 cone filter shift kit plog and ran a 15.3

    and want to know what you think my gains will be by adding a l67 tb wich i got for free and poly mounts im hoping for 15.1 15 flat
    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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  2. #2 Re: what do you think the gains will be 
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    you wont gain .2 tenths from ANY tb at your current mod level..if you decide to put it on your going to need to get it tuned and for the cost of that its not even worth it IMO
    03 GTP - 13.8 @ 100 2.160ft
    99 GTP - DD
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  3. #3 Re: what do you think the gains will be 
    The Blue One blueguy's Avatar
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    I keep telling you man...get a PCM. It shouldput you in the 14's right now if you know how to drive it and put the right fuel in it...as in 92 or so. You'd be better off just porting the stock L36 TB...and getting a MAF tune.
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  4. #4 Re: what do you think the gains will be 
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    Quote Originally Posted by bluegtp91 View Post
    I keep telling you man...get a PCM. It shouldput you in the 14's right now if you know how to drive it and put the right fuel in it...as in 92 or so. You'd be better off just porting the stock L36 TB...and getting a MAF tune.
    Or he could sell his car, save his money and time, and buy a gtp and run 12's or 13's
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  5. #5 Re: what do you think the gains will be 
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    Quote Originally Posted by cleangtp View Post
    Or he could sell his car, save his money and time, and buy a gtp and run 12's or 13's
    12's? are you high? Do you realize how much more money he'd have to put into it?

    What he SHOULD do is top swap and cam his car.
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  6. #6 Re: what do you think the gains will be 
    Donating Users nascartech's Avatar
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    Quote Originally Posted by bluegtp91 View Post
    I keep telling you man...get a PCM. It shouldput you in the 14's right now if you know how to drive it and put the right fuel in it...as in 92 or so. You'd be better off just porting the stock L36 TB...and getting a MAF tune.
    i got the tb for free and i am getting a tune from overkill next month
    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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  7. #7 Re: what do you think the gains will be 
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    Quote Originally Posted by matt5112 View Post
    12's? are you high? Do you realize how much more money he'd have to put into it?

    What he SHOULD do is top swap and cam his car.
    Actually ya I was high, just saying save his money buy a gtp and put his money into that. A gtp is always going to be more reliable than a incorrectly done top swap!
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  8. #8 Re: what do you think the gains will be 
    The Blue One blueguy's Avatar
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    Quote Originally Posted by cleangtp View Post
    A gtp is always going to be SLOWER than a CORRECTLY done top swapped GT!
    Sorry, but this is the correct statement.
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  9. #9 Re: what do you think the gains will be 
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    Quote Originally Posted by bluegtp91 View Post
    Sorry, but this is the correct statement.
    Actually bothered to do some research. Turns out with a stock crank pulley the Gen V M90 should only be run down to a 3" pulley. Any smaller and its no longer worth the added boost due to the temp rise. And thats what Eaton says...

    So...... higher compression will take more advantage of the crappy M90.
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  10. #10 Re: what do you think the gains will be 
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    ok well i whentto the track and my time is faster i whent from 15.3 to 15.2 with poly mounts and l67 tb
    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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  11. #11 Re: what do you think the gains will be 
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    Thats within the margin of error for an average driver.
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  12. #12 Re: what do you think the gains will be 
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    no my time started at like 15.5 and ive never gone 15.2 only lik 15.387
    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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  13. #13 Re: what do you think the gains will be 
    GT Level Member GeosGP's Avatar
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    15's? These car's get 15's?
    2004 Grand Prix GTP Comp-G
    Stock, featuring more KR than you can shake a stick at
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  14. #14 Re: what do you think the gains will be 
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    Quote Originally Posted by GeosGP View Post
    15's? These car's get 15's?
    and with a tune it would be 14s and rockers or a cammid to low 14s
    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
    Reply With Quote  
     

  15. #15 Re: what do you think the gains will be 
    GT Level Member GeosGP's Avatar
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    Quote Originally Posted by nascartech View Post
    and with a tune it would be 14s and rockers or a cammid to low 14s
    Sorry... I'm spoiled. My other car is a GTO. It's been a while since I drove a non-V8 car.
    2004 Grand Prix GTP Comp-G
    Stock, featuring more KR than you can shake a stick at
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  16. #16 Re: what do you think the gains will be 
    The Blue One blueguy's Avatar
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    Quote Originally Posted by GeosGP View Post
    15's? These car's get 15's?
    If it makes you feel ANY better...my N/A auto stock 2.2 Cobalt sedan went 16.244. I think with poly mounts, a 5-spd swap, header, cold air, and a tune...it would run door to door with that GP. BUT...thats more work than I'd ever care to do...so I'm out.

    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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  17. #17 Re: what do you think the gains will be 
    GT Level Member GeosGP's Avatar
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    Quote Originally Posted by bluegtp91 View Post
    If it makes you feel ANY better...my N/A auto stock 2.2 Cobalt sedan went 16.244. I think with poly mounts, a 5-spd swap, header, cold air, and a tune...it would run door to door with that GP. BUT...thats more work than I'd ever care to do...so I'm out.

    Wow, that makes me feel better enough to get another job to get go-fast parts to insure that never happens.
    2004 Grand Prix GTP Comp-G
    Stock, featuring more KR than you can shake a stick at
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  18. #18 Re: what do you think the gains will be 
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    GT, GTP, GXP,
    I'm constantly getting confused here as a mid 2000's GT is supercharged while an older one is not.



    What does a stock GXP run in the 1/4?
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  19. #19 Re: what do you think the gains will be 
    The Blue One blueguy's Avatar
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    Quote Originally Posted by MrTube View Post
    GT, GTP, GXP,
    I'm constantly getting confused here as a mid 2000's GT is supercharged while an older one is not.



    What does a stock GXP run in the 1/4?
    After '05 they stopped making the GTP so the GT's were supercharged. The N/A ones were just labeled as "base". 97-03 were not supercharged. Shouldnt be much confusion there.

    As for the GXP...depends on the driver. I saw a K&N CAI/Catback/DP GXP run 13.8's...so...maybe low low 14's?
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
    '12 Buick Regal Turbo - ZZP CAI/20% Tint/HID's
    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
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