Stage 1 beats stage 2?
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From: Detroit
if you didnt notice a 31hp difference do you think you will notice a 5? of course those numbers are from GM so who knows............
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From: O-town
how come you get 30 hp from bigger injectors and 5 from adding 3 lbs of boost. I got beat by a car when i was stock and all he had was a 3 inch pulley... so the pulley is a big difference
its the combinaation of the 2 working together dat give the overal performance
its the combinaation of the 2 working together dat give the overal performance
Last edited by DaREDss; Jun 4, 2007 at 12:20 PM. Reason: Automerged Doublepost
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From: Phx, AZ
This is the exact same outcome blown4banger and I had when I had stage 2 and he had just a k&n intake. The intake allows much more airflow so the sc'er is much more effecient at creating boost faster. So by the time the stage 2 is at max boost the car with the intake will hav already been at max boost for a while longer
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From: O-town
well we will see i have been tellin him since he got the car to do atleast the air box mod like me!!!!!
and his car sounds like ****, no whine....
and his car sounds like ****, no whine....
Last edited by DaREDss; Jun 4, 2007 at 12:38 PM. Reason: Automerged Doublepost
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From: Detroit
hehe dont ask me, i have no car knowledge at all, i am just going with what GM said.
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From: Peoria,AZ
I say race your friend again beyond second gear and let us know.
Even the little jump the stage 1 car gets (by beeping the horn) is going to be hard to make up from a 40 mph roll by the top of 2nd gear . I had stage 1 , then went to stage 2 so i know what they both are like . . If you guys went from 40 to 100 mph he woulda drove around you , if not there is something wrong .
If you didn't notice a difference when going to stage 1 then you need your but dyno checked.
If you didn't notice a difference when going to stage 1 then you need your but dyno checked.
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From: O-town
Even the little jump the stage 1 car gets (by beeping the horn) is going to be hard to make up from a 40 mph roll by the top of 2nd gear . I had stage 1 , then went to stage 2 so i know what they both are like . . If you guys went from 40 to 100 mph he woulda drove around you , if not there is something wrong .
If you didn't notice a difference when going to stage 1 then you need your but dyno checked.
If you didn't notice a difference when going to stage 1 then you need your but dyno checked.
Last edited by DaREDss; Jun 4, 2007 at 07:50 PM. Reason: Automerged Doublepost
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From: Houston, Tx
Same thing when going to a 2.9" pulley. You will only gain around 10WHP but the car will be faster and show it in a race.
You cannot feel the change in power with the Stage II because you're simply extending the power that is made with the stock pulley. With Stage II you can feel it pulling harder because of the gain through the rpm range.
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From: O-town
The extra horsepower you get with stage I comes from the increased redline. The stage II only gains 5 MAX hp over the stage I, but maintains higher amounts of power all the way to redline. I believe the circumstances led to this conclusion.
Same thing when going to a 2.9" pulley. You will only gain around 10WHP but the car will be faster and show it in a race.
You cannot feel the change in power with the Stage II because you're simply extending the power that is made with the stock pulley. With Stage II you can feel it pulling harder because of the gain through the rpm range.
Same thing when going to a 2.9" pulley. You will only gain around 10WHP but the car will be faster and show it in a race.
You cannot feel the change in power with the Stage II because you're simply extending the power that is made with the stock pulley. With Stage II you can feel it pulling harder because of the gain through the rpm range.
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From: Seneca, South Carolina
race again past 2nd on up through 3rd. He probably just had a slight jump on you and that was why he pulled ahead. I bet if you guys would have went into 3rd, you would have reeled him in and passed him. but then again, what do I know? I beat stock 'balts by 3-4 cars and stage 2 redlines by 2-3 cars.
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From: Houston, Tx
No need to go into the torque vs. hp lesson, we were just using the word power in general. I'm not trying to be rude, I'm just saying that we were talking about powerband. While in the powerband your car pulls hard and you can see this via the speedo or times etc. I know torque is what you feel, but I didn't get the feeling that anyone was mistaking horsepower for torque.
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From: Canada
possibly, but people are commenting that S1 is only 5hp less than stage 2....
and talking about butt dynos (which basically is a measurement of tq)
but the big difference between the stages is the big chunk of tq you recieve from the extra PSI.
and talking about butt dynos (which basically is a measurement of tq)
but the big difference between the stages is the big chunk of tq you recieve from the extra PSI.
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From: Houston, Tx
Yeah you're right. I see what you are saying now. That's what I was saying in a different post is that Stage II has higher amounts of torque and power lower in the rpm range while stage I hp only climbs higher on the dyno graph because you are using the stock torque to create higher hp numbers through increased redline.
Yeah i talked about butt dyno's , so you are telling me that you cant feel the difference between a stock cobalt and a stage 1 cobalt?? I did . Even if its only 5ft/lbs of tq . Have you had stg1 and stg2?
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From: Milwaukee, WI
Ive raced a stage 2 with gmpp exhaust manifold, gm performance cat back, stage 2, and injen intake..... he had 1 person with him and I was alone..... I managed to beat him by half a car from about 30 to 110.
I believe the only reason i beat a stage 2 is the fact that the pulley makes more heat after long pulls killing power and making the car slower. cause I have the same timing maps, no torque management, and a/f in 12.2 to 11.5 depending on gear.
I believe the only reason i beat a stage 2 is the fact that the pulley makes more heat after long pulls killing power and making the car slower. cause I have the same timing maps, no torque management, and a/f in 12.2 to 11.5 depending on gear.
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From: Oakville, Ontario
Well me and a buddy were cruising last night and a open road pops up so we decided to do a quick run from 40mph in 2nd gear of course. I'm running stage 2 with the GM tune and him Stage 1 with the GM tune. He's passengerless and i'm riding with a friend. Anyways he gives 3 honks gets a slight jump on me and we both start pulling. But to my suprise i ended up with my nose exactly at his back bumper by the end of 2nd gear then we shut down coming up to a light. Could this just be the crappy GM tune? I rode in his later that night and it def. felt like it pulled harder, now i'm lost as to what to check for or if i'm just paranoid?
I just ordered a SS/SC and am putting on the stage 1 kit. What will a GM tune do for me. You have yours done do you recommend it? What benifits did it give you.
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From: O-town
well the only differnce between the stage one and stage 2 is the pulley belt and hub. I got the stage 1 and am gonna do the pulley myself a 2.85 instead of the 3.1. And its gonne be cheaper then the stage 2. Stage 1 i didnt feel much of a differnce but obviously it must do sumtin. The 7k reline is handy and you will be able to do a pulley as small as a 2.8. But do your research first . Off the stage kits you can make decent power enjoy your new ride
