I can guarantee that they are at a bare minimum swapping injectors. probably turbo too to be able to drive it daily

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What's the best trap speed at 1/4 mile? I converted from 1/8 mile speeds from the video, not 100% accurate. Or does he run out of gearing at 1/4 mile?

Using a calculator for mph on a 1/8 mile track, I come up with roughly 2100 flywheel horsepower. This calculator is designed for cars and wouldn't factor in the extra drive axle and rolling resistance of 8 drive tires.

The truck is bad!!!!!!

Never been on quarter mile.. next year probably.. so the best we got on 1/8 mile at sanair was 8.47 at 84.3 MPH but Nicholas didn't push much the truck he's just keeping it in front that's it...

regards,

louis

I found a 1/8 mile calculator and got 1957 HP using 22500lbs and 84,3 mph. 10 hp more per liter than a 1200 hp L-10 that is not smoking.. OK for a working truck.

BoostEng propably knows his stuff, can't say the same about PDI and Bully Dog.

Other than extreme HP I'm assuming you can modify the ECM's for newer Acert or ISX to eliminate the HP and fuel mileage robbing factory programming? (like get rid of the horribly retarded timing of the Acerts due to EPA rules) Basically make a newer engine have the performance of a 6NZ with the fuel economy of a "B" model?

And does it take into account the extra horsepower it takes to push a truck through the air? Its got to be like pushing a barn down the track compared to a car.

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PDI and Bully Dog are not doing programs set on " kill " like Coga. they work with stock or close to stock engines for on highway market. comparing them to what Coga does is like saying Cat dosent know what theyre doing because they cant/dont have an engine making more than 625 hp. BD had a stock Acert making 1000 hp on dyno with tuning only.
PDI had a BXS converted to single making around 1100 to wheels.these are not modified engines like Coga. how can you say they dont know what theyre doing . did either try to compete with Coga and fail ? I dont think its fair to make a statement like that unless you have more info to back it up.

Not sure that you can take any notice of those quater mile calculators, they are good for a car but as Mr Haney and RW have said they really dont factor in many issuses associated with trucks. Quater mile calculators usually assume good traction and as you can see in the video with the white kenworth it obviously struggles for grip, the truck takes off from idle rather than on the convertor (you can hear its an auto as it changes gear during the burnout) and if you listen you can hear the engine RPM rise quickly as it loses traction before it changes into second. Also if you watch the launch you can see the front of the truck doesnt rise at all, suggesting no weight transfer to the rear wheels, I assume the motor is at the front since thats where the stacks are (those stacks look aweful by the way IMAO), I would think without decent traction any horsepower calculated from quater mile time would be way off.
The Euro race truck on the other hand has a significant advantage as the engine is in the middle of the chassis, placing much more weight over the drive for the launch, you can see in the video it launches much harder than the kenworth due to greater traction.
Both truck could have the same power but the Euro truck will always be quicker.
Quater mile racing is not just a question of horsepower but gearing, traction, weight and weight transfer, aero, engine torque curve all come into play, a quater mile calculater only tells you what the horsepower is if everything else is right to start with.
Road trucks are different again, higher weights with much less weight over the drive (when bobtail) and manual gearboxes will throw the calculation out even furthur.

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Launch does not have big effect to trap speeds, only to E.T. I have driven 1/4 mile times with my stock Ford Sierra Cosworth in the range of 14.0 to 15.2 but the trap speeds were always 160-162 kmh.

If you compare the wind drag of the truck to the weight, it is possible lower than with the cars, so those calculators might even give too much HP to the trucks.

But these are just estimates, not absolute truth, we don't know the true horsepower of the engine before it is tested on engine dyno. I just don't like this internet HP hype, like Coopers 3100 HP claim. Don't talk about horsepowers if you have no proof.