2.4L LE5 Performance Tech 16 valve 171 hp EcoTec with 163 lb-ft of torque

2.4l vs Grand Prix GTP

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Old May 30, 2007 | 11:11 PM
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BlackBaltSSNA's Avatar
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2.4l vs Grand Prix GTP

So I was on my way home with my wife this past weekend when we get to a stop light next to this Grand Prix. Well when the light hits green Grand Prix starts peeling and takes off. Catches me off guard so i start pulling on second they had one full car now once i start raising my rpms in third gear i start pulling in on the car about half car once i peaked my rpm around the 6's-7's rpm and get to fourth i got half a car on them. We hit another red light. Keep in mind i have only been driving stick for about a year with no racing experience. So at second red light Grand Prix peeled out again and took me again about a car and some change. My launch is horrible so i start sluggish but anyways i pulled in again on them about half a car but did not get to finish that one due to my turn was coming up lol...so my question is how can i get a good launch and how does a 2.4 pair up with a grand prix gtp engine? Cause im thinking i did not do bad but my wife was laughing her ass off due to the fact that the driver was a female the whole time i thought it was a guy. Girl was fugly ....anyways just curious as how i can improve my launch and specs on the engine to see what i was actually up against. thanks.

here is a pic of what the car looked like dont know what year the car is

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Old May 30, 2007 | 11:17 PM
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You sure it was a GTP? GTP's were supercharged and had 240hp and 280 tq... Not exactly throwing the BS flag, but it is kinda hard to believe to me... I've seen GTP's with an intake and smaller pulley run high 13's/low 14's in the 1/4...
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Old May 30, 2007 | 11:19 PM
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that appears to be a 97-02 model. Stock they are a low to mid 15 sec car. Now not saying that the race didn't happen but he has twice the HP and gobs of torque. He might weigh alot but beating him in the high RPMS is possible. They have a power band good till mid 5k RPM then they shift.
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Old May 30, 2007 | 11:34 PM
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Originally Posted by ecotecon18s
You sure it was a GTP? GTP's were supercharged and had 240hp and 280 tq... Not exactly throwing the BS flag, but it is kinda hard to believe to me... I've seen GTP's with an intake and smaller pulley run high 13's/low 14's in the 1/4...
i'm sure it was gtp, i caught up to the car once i was hitting 60+ mph now maybe they slowed down after that? it wasnt a highway it was a blvd so maybe they slowed down due to the fact it was a 45 mph speed limit?

Originally Posted by sneaky
that appears to be a 97-02 model. Stock they are a low to mid 15 sec car. Now not saying that the race didn't happen but he has twice the HP and gobs of torque. He might weigh alot but beating him in the high RPMS is possible. They have a power band good till mid 5k RPM then they shift.
the car appeared completely stock and arent some guys here hitting 15's with our cars? and like i posted before once i started hitting the high rpm's was when i started pulling in on the car and didnt pass it til after 60+mph and didnt get through the second race due to having make a turn

also my shifts didnt come til my high 6k to low 7k rpm....so i was topping my **** like it was cool

Last edited by BlackBaltSSNA; May 30, 2007 at 11:34 PM. Reason: Automerged Doublepost
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Old May 30, 2007 | 11:36 PM
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Originally Posted by ecotecon18s
You sure it was a GTP? GTP's were supercharged and had 240hp and 280 tq... Not exactly throwing the BS flag, but it is kinda hard to believe to me... I've seen GTP's with an intake and smaller pulley run high 13's/low 14's in the 1/4...
yea, keep in mind GTP = heavy also. I bet it was stock, look at the pic. prolly 15s stock.
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Old May 30, 2007 | 11:45 PM
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eh...true. that and he said it was some fugly chick...prolly didnt know how to drive...lol
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Old May 31, 2007 | 08:15 AM
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I ran my buddy in a stock Grand Prix GT and we were dead even in the quarter mile but he beat me cause his trap speed was higher than mine. I used to have a Grand Prix and be in a Grand Prix caar club and a stock GTP can run in the high 14's stock. So either she wasent flooring it or your car is a factory freak. Do you have any mods?
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Old May 31, 2007 | 01:23 PM
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Tom, (Oaklandmr)... you are close. GTPs run 14.3 to 14.7 stock (as seen in our old club and the repeatedly seen on ClubGP). As far as weight goes: 97-00coupes weigh in at about 3400 pounds(4-doors about 100 pounds more), so there is about 600-700 pounds weight difference. They have 240hp and 280tq with a very flat torque curve. Blackbaltssna probably raced a GT, they would be more closely matched.

If you didn't hear supercharger whine, then it was just a GT.


If there were any mods done to the GTP, it wouldn't have even been close. If it was properly converted to a turbo setup, he/she would have put buslengths on you before even shifting to 2nd.

not to discredit you, but if it was a GTP, there would have been badges and you would have heard a s/c whine too. If you saw and heard both, and still it was close...probably driver error or ill car.

I am not biased, I actually own both a lightly modded 2.4l SS and a somewhat modded GTP. This is the distinct factual difference between the 2 cars.
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Old May 31, 2007 | 05:07 PM
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for the record my cousin has a gtp comp g.. and you can't rear the whine that much and he's totally stock... so who knows, nice kill either way
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Old May 31, 2007 | 05:13 PM
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my friend has a stock 97 gtp and ive raced him and beat him many times.
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Old May 31, 2007 | 05:29 PM
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yea i dont remember hearing a whine it sounded more like a muscle engine than a whine to me but either way just wanted to know what was in that car and i distinctly remember seeing the gtp badge on there cause i wanted to google up the car and see what i went up against to see how i am doing, if it was a weak car then you know i should be doing better but if it was like some v6 or v8 engine then i put up a good fight for what i have. my car is 5 spd completely stock 2 door. either way thanks for the replies.
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Old May 31, 2007 | 06:05 PM
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i raced one of those b4ore..and i beat it..he could nt catch up to me
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Old May 31, 2007 | 06:06 PM
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yeah, it doesn't take much to have a fricking fast GTP...

Check out the Intense site to see that GTP's are capable of....
http://www.intense-racing.com/sponsor.html#Tim
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Old May 31, 2007 | 11:29 PM
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anoher thing that might have been on blackbaltss's side is the GTP's require premium so if she was running regular and u were running premium it shoulda been a close race
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Old Jun 1, 2007 | 01:28 PM
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Originally Posted by elecblue06
for the record my cousin has a gtp comp g.. and you can't rear the whine that much and he's totally stock... so who knows, nice kill either way
GTP Comp Gs are slower than the '97-03 model years even though they have 20 more hp. They have more granny controls in the PCM that actually make them slower.

Originally Posted by samsumthing
my friend has a stock 97 gtp and ive raced him and beat him many times.
Is yours an SS/SC? if so, that is a valid explanation. You have a distinct weight advantage. We are talking about a 2.4L SS against a supercharged GP in this case though. Also '97s have a very restrictive throttle body, 99-00 tend to be the fastest of that body style. They changed the cooling, MAF tables, and throttle body for the 99 year. They also tweaked a few other things too.

Originally Posted by 06G5GT
I've never seen a stock GTP pull better than 15s at the track. Most of the 14s I pull up at ClubGP have the 3.4 pulley swap done.

Friend of mine had a Regal GS. Low 15s. Nobody he ever ran into with one did better than that either. He did the pulley mod, intake and pcm tune which ended up putting him in high 13s. Impressed me.
Regal GSs will be slower than GTP coupes, they weigh more. They also have a softer sprung suspension and more granny controls in the PCM. However, they CAN be made to be as fast as a GTP with a few part swaps from their Poncho sibling.

I have personally seen a GTP run 14.3 STOCK, and one run 14.6 STOCK. Both were 99s. They also had a good launch for street tires (2.0 60 ft times).

Previously, I had a SLP 3.5 pulley, SLP intake, & SLP cat-back exhaust and ran a 14.01 @ 101.91 with a 2.1 60-ft up at Lapeer in Michigan. That was a long time ago and the car wasn't as modded as it is now.

Originally Posted by Jimmys2007CobaltSS/C
i raced one of those b4ore..and i beat it..he could nt catch up to me
see my post above...you are supercharged and 600-700 pounds lighter. Did you beat him bad? I would think it was relatively close.

Originally Posted by Omega_5
yeah, it doesn't take much to have a fricking fast GTP...

Check out the Intense site to see that GTP's are capable of....
http://www.intense-racing.com/sponsor.html#Tim
God, I hope you aren't considering SHITense for performance parts. You might want to check out ZZP for the faster & fastest GTP in the country. At least, ZZP parts don't leave you stranded at the track or on the side of the road. And then have the owner of the company make excuses and disown the entire community when he gets called out for making faulty products...

Last edited by BlwnGP; Jun 1, 2007 at 01:29 PM. Reason: Automerged Doublepost
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Old Jun 1, 2007 | 01:31 PM
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also, assuming it's stock, and she ripped the tires twice, it could be a very worn out, not well maintained GTP, which a 2.4 should keep up with smartly.

i rocked an integra GSR the other day, because the car was beat to ****, otherwise, should be close.
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