Where do yall make power

[x MadMAX DIESEL]

My peak for hp and trq is like 2700rpm. After 3500 i dont make much power atall. Maybe it has to do with the batmowheel idk, but im curious what area you guys are making power... And how close to that power range your shooting for rpm wise when up to ground speed?

 

[DIESELMAFIAPER.LB7]

My billet 66 makes over 600 from 2700 to 3400/3500 and mids 500s after

 

[x MadMAX DIESEL]

Wheres it peak at? Im probably right at 600 just shy of 3500, and less then 1000ft lbs too. Is yours a batmo?

 

[DIESELMAFIAPER.LB7]

No just billet wheel iirc its at 3300 which is 700 I need to go look at my sheet again I think last dyno I stayed over 600 till 3700 rpm now Ill look and see when im by it again tq is around 1200-1300ft lbs on those runs

 

[mike diesel]

I will have to double check my sheet but iirc I made 602 horse right around 2700 rpm with my Danville 72

 

[x MadMAX DIESEL]

whats the best way to move that peak power up? Besides a looser exhaust, anything else make a big difference

 

[hondarider552]

bigger turbo

 

[JoshH]

A cam will move the power band. Even changing the cam timing of the stock cam with an offset key will move the peak power.

 

[Osubeaver]

Not that you're going to pull with big twins, but just for reference, my race truck on the tune I race with is 1056hp @ 3600rpm 1624tq @ 3100. Small tune is 850/1320 @ 3700/3200.

 

[x MadMAX DIESEL]

I've got a hamilton cam. I bought it new 2 years ago, I think it was called the 2.6 cam back then. But I know it was just a brand new revision when I purchased it, so probably the same as there second biggest still? Maybe I can find the box and check the numbers on it this weekend.

 

[Yellow Jacket]

I still believe turbo has about the biggest difference on peak power rpm, but my cousin dynoed his truck with s468 b4 and after building engine, cam does shift the powerband around but has minimal effect on power output...

 

[duramaxsandwich]

i would think if you're peaking out at 2700rpm you could handle a larger turbine side and open it up would gain some hp. i'm guessing if your running a s400 frame you're running an 83 or 87 ? if you're peaking out at 2700 i would lean towards 83 or smaller?

 

[x MadMAX DIESEL]

87 turbine with a 1.0 housing. I thought about going to a 96, 1.25 but ill wait for next years rules meeting before I change anything else

 

[duramaxsandwich]

87 turbine with a 1.0 housing. I thought about going to a 96, 1.25 but ill wait for next years rules meeting before I change anything else

yeah that should move your power band up in the rpm if you can spin it. what are your turbo rules now?

 

[x MadMAX DIESEL]

It's a 850-900 horse class. 2.550 t4 Mine is the only smooth bore turbo and its going to smooth bore next year because noone knows how to tech a turbo. It will make it easy like a tractor just plug it that's it. I made 720 with lowish rail pressure last year. Got dual cp3 to fix my pressure issue then I ruined every single injector lol

 

[TROJAN366]

My Danville 72 made 700 at just about 3400rpms

 

[duramaxsandwich]

It's a 850-900 horse class. 2.550 t4 Mine is the only smooth bore turbo and its going to smooth bore next year because noone knows how to tech a turbo. It will make it easy like a tractor just plug it that's it. I made 720 with lowish rail pressure last year. Got dual cp3 to fix my pressure issue then I ruined every single injector lol

thats interesting. i've never ran a smooth bore charger b4. i would bet alot of classes start restricting the turbo stuff more as things progressively get outa hand.

 

[SmokeShow]

What's smooth bore mean???

 

[x MadMAX DIESEL]

No map groove. Slick/smooth bore

 

[SmokeShow]

Ah, I see. Still requires compressor wheel protrusion?