Horsepower: Do you really use yours?

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Originally Posted By: ZeeOSix
I've at one time or another "maxed out" every car, truck or motorcycle I've ever owned. Gotta see what they are really capable of.


Do you mean top speed ?

If so, what top speed did you see for ____ ?
 
Originally Posted By: itguy08
Yes. I paid for all 365 of those horses, I make use of them quite regularly.


This. 470 ponies in the Jeep and they get exercised frequently.
 
I rarely find it necessary to use much of the relatively modest outputs of the cars in my sig.
Entering an interstate is always a good excuse for letting an engine run to redline through a few gears, but other than that it's unusual for me to need any real power.
Engine life as well as fuel economy matter, since trying to go fast in traffic on my commute and on the crowded interstates around here just doesn't work and is no more than an exercise in frustration.
You want to pass me on the way to a red light and then cut in front of me as though you've somehow won something?
Go right ahead. I'm not going to waste the fuel or the brakes to stop your doing so.
 
Originally Posted By: OVERKILL
Originally Posted By: itguy08
Yes. I paid for all 365 of those horses, I make use of them quite regularly.


This. 470 ponies in the Jeep and they get exercised frequently.


395 in the RAM is sweet and smooth, 425 in the old SRT8 is a bit more fun. Both used to the full extent of the conditions...
 
I use all 150hp of my 305ci engine in my 83 Caprice. Or whatever is left of it after 227k miles. My 84 Cutlass has a 76 350 Rocket with 180hp and I use all of that but if I do it from a stop it results in a lot of tire smoke from the right rear. It could use more power but the suspension needs to be upgraded before it can take advantage of it.
 
I'm after torque myself my old truck stored in the barn is needing the transmission overhauled but it would pull steep hills in OD with that 5spd manual. I could tow a mountain if it never broke traction with the dana 60 4:10 rear it has a 300 I6 and it is a f250 from 1996.
150 hp @ 3400 rpm and 260 ft lb @ 2000 rpm.
My current driver is okay for towing but nothing like the f250 seems i got to keep it wound out towing a trailer on hills and flat ground it seems a little gutless for me but it is a old truck with a 302 and a wimpy 4r70 auto.
 
Originally Posted By: SteveSRT8
Originally Posted By: OVERKILL
Originally Posted By: itguy08
Yes. I paid for all 365 of those horses, I make use of them quite regularly.


This. 470 ponies in the Jeep and they get exercised frequently.


395 in the RAM is sweet and smooth, 425 in the old SRT8 is a bit more fun. Both used to the full extent of the conditions...


thumbsup2.gif
 
I'm like Mr. Toad when you put me behind the wheel of something fast or sporty.

It's best I just stick with the slow stuff.
 
123 HP 1.0 liter 3-cylinder turbo and 2,900 lbs. I’ll usually accelerate hard-ish when merging. Pulling my trailer I’m full throttle on every on-ramp. Other than that I keep it pretty easy. I like to see MPGs past 40 whenever possible.

The Cooper S is my fun car so I drive it pretty hard!
 
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Max or near max torque frequently in previous cars, which were all manuals. Max power very rarely; it's not needed except to compensate for doing something stupid.
 
My 50cc scooter is wide open nearly all the time, I have a 150 that is wrung to the red line on every gear change and maxed out in top gear too. My main road bike gets used hard on back roads, well past the redline often, I use all it's got. Cars are a different story, they just take me places. The Volvo is pretty good on fuel driven quietly, and sucks it on boost. But on 2 lane back roads it gets full throttle and the redline on passing other vehicles.
 
Originally Posted By: Mr Nice
Originally Posted By: ZeeOSix
I've at one time or another "maxed out" every car, truck or motorcycle I've ever owned. Gotta see what they are really capable of.


Do you mean top speed ?

If so, what top speed did you see for ____ ?


Indicated speed ... on a safe stretch of test track in Mexico of course.
grin2.gif

Z06 = 175
Hayabusa = 200 (probably ~190 actual)
My reaction =
shocked2.gif

Doing it only a few times was enough to satisfy the urge.
 
When I was doing track days, the Corvette and Camaro got plenty of time WOT time with the engine cycling between peak torque and peak power. On the street, I rarely floor the Camaro. It can outrun traffic with 1/4" of accelerator pedal depression, so why bother?

The Dodge Ram gets plenty of time operating at high torque output while towing trailers 500+ miles per day, but I rarely rev it to peak power at max fueling. When hooked to a trailer, I only use enough power to keep up with traffic or to maintain 63 mph. I drive it by the boost and EGT gauges; 20 psi boost and less than 1000 F seems to be the upper threshold of "good" fuel economy. If the boost and EGT exceed 25 psi and 1200 F for more than 10 seconds while climbing a hill, I downshift and slow down. Save the equipment and save fuel. And I only turn on the Edge Comp box a few times a year when I want to feel what 500 HP feels like; the transmission wouldn't last long with 1000 ft*lbs of torque going through it.
 
Horsepower doesn't exist, it's a notional way to express torque over time.
That said, I regularly use as much torque in a give time as possible
 
Originally Posted By: SeaJay
Engines reach their full HP at max RPM. Unless the needle is buried at the red RPM line, you ain't using fill HP.


That's not true. Most engines have a redline higher than what their peak HP is rated at.
 
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