If I powerbrake my truck it'll blow them right away. If I whack it from idle on dry pavement it'll spin a little and then hook up and get gone. These trucks seem to hook better than the previous ones. This is due to having a 4 link setup vs leaf springs. I also wouldn't be surprised if some torque management was being used to keep the engine from developing full torque at very low vehicle speeds.

 

Do not be suprised it has torque control. You can bet on it.
390 HP and 407 lbs TQ.
Mine is a 2 wheel drive with the 3:92 rear gears. Quad cab with 6'-3" bed.
20's, stock Goodyears, XDI intake, Mufflex exhaust.

Will not spin its tires traction control on or off... Sea level.

TC never really cuts off in these trucks. 4WD in some situation.

That torque should lite the tires even at 3 tons. Especially a pick up truck.

Chrysler saving the tranny and rear end.
I am waiting on Diablo.

 

I have been googling the crap out of horse power vs elevation and it seems that common knowledge is:

(HP x ELEVATION x 0.03) / 1000 = HP LOSS

Me being at about 5,500ft at any given time I am loosing 65hp that's a good amount of Horses...

 

Elevation is a big factor exspecially on a 85 deg. day. Bandimere in CO usually sees an additional second for a 1/4mile. When I moved back to PA I had to use 91 octane fuel to burn the extra oxygen. In CO I was using 85. With a hot sticky track and tires with the programing on the truck, I'm not surprised to here you didn't lite them up.

 

Wow you flat landers down there in Denver have it made . Here in Colorado springs I am losing 82HP (7000ft). My best unofficial 0 to 60 is hovering around 7 seconds....

 

Does everyone with the Hemi have traction control, mine is the 09 ST (392 gears) with no luxury?

 

I think they all have it. Check next to the hazard light button on the dash for one that says "ESP".

 

Tks, I just looked this up in my manual, don't know if I Like it or not, but I see you can turn it off. However, it says that traction control works in both on and off positions . Good news is that it only applies across one axle, so I don't think it hurts my rearend too much.

 

You are exactly right sir: As a pilot i can tell you that the density altitude at 6000' on an 85 degree day would be between 7500 and 8000". At that altitude its a wonder the engine made any power at all. Our truck makes 390HP at sea level on a standard (68 degree F) Day. As for smoking the tires, thats what I have been screaming about on this forum for 2 weeks (people just look at me like im crazy) You see we have something called ESP (electronic slowness protection) it cant be turned off and it assures that we cant have any fun in our 390HP Trucks. Our only hope is that Diablo Sport comes out with a good programmer soon! To the original poster, if i lived at 6000' and above all the time i would consider a blower, if you have the funds.
Thanks
Lee

 

They have to use lower velocity intakes and smaller cfm carbs at the Mile High Mopar Nationals in Denver because of the decrease in oxygen, so I imagine it's the same for both throttle bodys and intake manifolds on our trucks. It affects several other things as well, even the torque converter, so bjk112 seems to have ran pretty good times for that elevation. And about power braking and burning tires off the line, doesn't our detuned ecm throttle power down over a certain rpm? As I under stand it, it not only throttles down at shift points, but also at high rpms. I think we'll see a huge increase in all around performance once a good tuner becomes available. We need to look into this traction control thing to make sure this isn't interfering with launching off the line. As I understand it, on or off, it applies the brakes to the wheel that is spinning faster but across a single axle, meaning rear or front (4X4). We have a limited slip rear end, meaning if one starts spinning, the other does the same, though not a posi, but safer for dumb drivers who can't control posi rears. So there is that small chance that our traction control applies the brake to our truck while doing burnouts, or launching out the whole. Not to mention the chance of hitting the rpm level where it throttles down right when the tires start to brake loose, think about it