Generation III Internal Engine 1997-2006 LS1 | LS6
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View Poll Results: peak hp, or under the curve hp
Peak HP
53
11.60%
Under the curve
404
88.40%
Voters: 457. You may not vote on this poll

peak horse power, or under the curve power! what do you prefer?

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Old 04-09-2007, 02:36 PM
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under the curve. here is my dyno sheet with all the mods in my sig minus the Ls6 intake. current numbers in my sig are with the Ls6 intkae installed and re-tuned....

at 5250 (est) i was making 360-370 rwtq, not too shabby...

Old 04-27-2007, 05:18 PM
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What do you guys think about the curve on this Mustang Dyno ? Dyno Jet should be around 8% more to make it 424/380 give or take.Peak HP was at 6200 and TQ at 5000rpm.
Attached Thumbnails peak horse power, or under the curve power! what do you prefer?-dynopics-015.jpg   peak horse power, or under the curve power! what do you prefer?-dynopics-016.jpg  
Old 04-27-2007, 05:25 PM
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I like the curve
Old 04-27-2007, 05:29 PM
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well under the curve power is going to be more benificial to actually driving the car..
Old 04-28-2007, 06:12 PM
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FWIW-----I had an MS3, and she SCREAMED at 7K....but that got old on the street to be honest...

I have decided to scaledown a bit, prabably to something in the 228/232 range formore power where it counts...UNDER THE CURVE
Old 04-28-2007, 09:15 PM
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Under the curve like most people.

Bill
Old 04-28-2007, 11:24 PM
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Originally Posted by ProjectCamaro
That's fine if it's a race car but who shifts at 6700 rpm in the middle of traffic. So your argument makes NO sense whatsoever if you want to drive the car on the street.
Who floors their car in the middle of traffic? So your argument makes NO sense what-so-ever Mr. I need to floor my car at 2000 RPM in the middle of traffic to you use my power under the curve.
Old 05-01-2007, 06:41 PM
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I was told my car wouldn't have enough area under the curve and would suck on the street. I love it though, it doesn't roast the tires too bad and once I hit 3K in pulls like I am riding a lightning bolt. I still have the stock 3.42's in the back too, haven't even put in the 4.10's. My friends car makes slightly more tq (435?)and less HP(450+), yet I still roast him every time. When I drive his car, it doesn't feel any faster, doesn't feel any better on the street. I made max HP at 6800. My TQ curve isn't as flat, but I will take crossin the line first over a line on a dyno sheet.
Old 05-03-2007, 01:42 PM
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I voted peak power seeing as I track my car.
Once I get my cam that's what I'm going to get it for, peak, seeing as I stay above 5,500 rpm most of the time.
But if it was a strictly street burner, then yeah, I'd vote for both.
Old 05-07-2007, 07:30 PM
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Under the curve..............unless it's a all out Drag car that isn't driven on the street.
Old 05-08-2007, 11:42 AM
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Under the curve is the best if it is a daily driver that you just want to drive around and have fun in.Top-end if you are buiding a drag car.
Old 05-08-2007, 02:28 PM
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My car is on the street more than the track and I enjoy making power from 3200 to 6500 vs. 4800 to 7000. Gearing can work both ways and you don't need 4.56s if you have a broad spread of power...
Old 05-08-2007, 03:11 PM
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Hmm... would MS4 be considered under the curve or peak hp?
Old 05-08-2007, 03:46 PM
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I like under the curse for the street and a combination of both for the track--
Old 05-08-2007, 04:10 PM
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New Option:

High RPM Power + 4.10's.

Now your power under the curve virtually is your peak power. This is more or less what my set-up will be.
Old 05-09-2007, 11:23 PM
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some of you guys need to stop and think. when are you EVER at 3000 RPM's in a race? For what, a split second? Why do th400 and th350 trannies pull so damn hard? because they KEEP THE CARS IN THE BAND. Who gives a crap about how much "low end power" you make at 3k? I mean really. Six speed, auto, who cares. When i race my car doesnt drop below 6k. Line up an MS4 cammed car to a 230/232 car that makes "more power under the curve", and that bigger cam is going to go by that smaller cammed car in the top end. Ive seen it happen countless times on the street, and at the track.

It just annoys me when people talk so much about "power under the curve" so damn much when discussing cam choice. if this was the case, everyone would be rolling around with a 226 cam. when cars spend so very little time actually in that area of the band, i reallyc ould care less how much power it makes there compared to its peak numbers. Ill take my 7200 rpm monster cam over a more "low end" torque 230 cam any day of the week.
Old 05-09-2007, 11:36 PM
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Originally Posted by VENGEANCE
some of you guys need to stop and think. when are you EVER at 3000 RPM's in a race? For what, a split second? Why do th400 and th350 trannies pull so damn hard? because they KEEP THE CARS IN THE BAND. Who gives a crap about how much "low end power" you make at 3k? I mean really. Six speed, auto, who cares. When i race my car doesnt drop below 6k. Line up an MS4 cammed car to a 230/232 car that makes "more power under the curve", and that bigger cam is going to go by that smaller cammed car in the top end. Ive seen it happen countless times on the street, and at the track.

It just annoys me when people talk so much about "power under the curve" so damn much when discussing cam choice. if this was the case, everyone would be rolling around with a 226 cam. when cars spend so very little time actually in that area of the band, i reallyc ould care less how much power it makes there compared to its peak numbers. Ill take my 7200 rpm monster cam over a more "low end" torque 230 cam any day of the week.

It has to do with drivability, there is always going to be that small percentage of the population that doesn't care if the car bucks, shakes, and rattles like a 40's tank in slow moving traffic, or have to have 4.30+ gears or a 4000 stall.
For those that DD their car and don't want to have to keep the car at 3500-4000 rpm while accelerating or having to get out of OD to pass a smaller cam that makes killer midrange tq is going to be more enjoyable.

The first question to ask when spec'ing a cam is about driving habits and ultimate goal for the car.

A MS4 will make killer topend but will be almost impossible to drive with a stock stall auto or 3.23 M6.

Each cam has it's purpose you just have to decide at what rpm you want to have your fun at.
Old 05-10-2007, 08:31 AM
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[QUOTE=VENGEANCE]some of you guys need to stop and think. when are you EVER at 3000 RPM's in a race?

You're not suppose to be racing on the street. Now if you want to drive around at 6000 rpm on the street and attract every cop around you and wear your motor out twice as fast, then go ahead. For DRAG RACING ONLY, I would agree with you. But I think most people on here are refering to a street car that races at the track on occasions.

For what, a split second? Why do th400 and th350 trannies pull so damn hard?

So manuals don't pull so damn hard?

because they KEEP THE CARS IN THE BAND. Who gives a crap about how much "low end power" you make at 3k?

I do, as along with most others on here thats been there, and done that.

I mean really. Six speed, auto, who cares. When i race my car doesnt drop below 6k.

There you go refering to racing only again. For a drag car ONLY, I would agree, but not for something you drive on the street any.

Line up an MS4 cammed car to a 230/232 car that makes "more power under the curve", and that bigger cam is going to go by that smaller cammed car in the top end.

Wanna prove it with me? I have a little cam. GT2-3. Of course I have a supercharger too. Because I like the power under the curve. I like to be able to pass up a semi-truck in the blink of an eye without having to down shift into a lower gear and spinning the tires all over the highway.

Ive seen it happen countless times on the street, and at the track.
It just annoys me when people talk so much about "power under the curve" so damn much when discussing cam choice. if this was the case, everyone would be rolling around with a 226 cam.


Like me?

when cars spend so very little time actually in that area of the band,

Huh? I spend 95% of my time in that band.

i reallyc ould care less how much power it makes there compared to its peak numbers. Ill take my 7200 rpm monster cam over a more "low end" torque 230 cam any day of the week.

I wish you was closer. I would take you up on that. For a street car, I will take Torque over HP anytime
Old 05-10-2007, 08:37 AM
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My last LS1 car was for peak power, it did it's job well and was fast but it sucked around town for the most part. My Vette will have "under the table" power
Old 05-10-2007, 10:03 AM
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Under the curve for me. Since my car is a daily driver, that's where I spend most of my time.


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