1/8 Mile Trailer Tow and Obstacle Course - Day 2 of Diesel Power Challenge 2013!

On Day 2 of Diesel Power Challenge 2013, the 9 reader-selected trucks are tasked with completing a CDL-stlye obstacle course in the shortest amount of time, while pulling a 10,000-pound trailer. The same trailer is then used in a 1/8-mile drag race to show which truck has the most useable power under extreme conditions.
Catch the entire week of Diesel Power Challenge 2013 programming on the Motor Trend channel August 5th through August 9th with a new video premiering each day!
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[@mxp231]

This is honestly one of the most entertaining sporting events I have ever seen! I cant wait for the next installment!

[@darylem6938]

I have watched the first episode, and now beginning the second. I have got to say I love mostly all of Motor Trend's videos but I am REALLY loving that its 33 minutes long. Way to go MT for listening to what us viewers wanted. A++

[@invincible751]

I was deployed during the last DPC, so I'm loving getting to watch the competition unfold this year. Great job Motor Trend and Diesel Power Magazine

[@tbdaemon]

This is the most creative competition I've ever seen - well done!

[@azlax2011]

"This is the fastest part of the course." -Every time the go through the straight away

[@MotorTrendWatch]

The prize is glory in Diesel Power Magazine, trophies, and an experience they'll never forget. Plus, most of these guys would figure out how to break their trucks anyways, without our help. Jason Sands, Associate Editor of Diesel Power

[@MotorTrendWatch]

From the factory, modern diesels don't smoke, but these are highly modified trucks running very large injectors, which unfortunately means lots of low end smoke. Once the turbo is up on boost the smoke should clean up somewhat, although you don't really lose any power from overfueling the truck, which is why most of the competitors just throw everything they can at it. Jason Sands, Associate Editor of Diesel Power

[@LJRossPhoto]

The two best shows on Motor Trend :)

[@MotorTrendWatch]

If you check out Banean Woosley's 10.80-second quarter mile pass, you can see he's using just about all of his fuel on that run. Part of the reason why there's so much smoke, is that most of these trucks are tuned for sea level, but our challenge is held at a 6,000ft elevation, which means their tune is off a bit. Jason Sands, Associate Editor of Diesel Power

[@MrJomaur89a]

this is a really good show, you guys should do this more often.

[@MotorTrendWatch]

This year was very tough on parts, for sure, but that's what you get when you try and push the limits of your vehicle. With all the gung-ho driving this year, a level headed approach can sometimes be the key. If you've noticed that Wesley Beech won all three events on Day Two by being consistent and not breaking, you wouldn't be alone... Jason Sands, Associate Editor of Diesel Power

[@thegreenerthemeaner]

The old 7.3 Powestroke is a durable engine. People need to remember that they are a slow speed work horse. Look at what dominates the truck pulls though....... Dmax and Cummins. Powerstrokes won't hang

[@tahiryousaf6160]

Nmxmd

[@jfdb59]

Until they need a CPS, or they get an oil change with the wrong kind of oil that foams and messes up the injector operation, or it gets too cold and they don't start or they get water pump cavitation that eats a hole through the cooling system somewhere... Other than that, yeah super reliable...

[@natesperling7853]

"7.2 Powerstroke" lmfao

[@2low2rl]

YESSSSSSS!!!!!!!!!!!! I'M A LOWRIDER/ HOTROD GUY. NOT REALLY INTO TRUCKS BUT PLEEEEEEEEEEEASE MAKE THIS A REGULAR SERIES!

[@castirondude]

"CDL style obstacle" - For the CDL test you also have to parallel park a trailer. There is only enough room for the trailer between the cones so you need to jackknife the trailer in there.

[@MotorTrendWatch]

Cummins (Dodge), Power Stroke (Ford), and Duramax (GM) Jason Sands, Associate Editor of Diesel Power

[@MotorTrendWatch]

Erik shattered his u-joint in the trailer tow, and the team threw a spare driveshaft in for the drag race. Unfortunately the front axle was probably already stressed from the failure, and the entire front part of the housing where the pinion is located sheared off the first time he tried to perform a launch at the dragstrip. Jason Sands, Associate Editor of Diesel Power

[@RAJohnson713]

This and road kill are the best shows on motortrend

[@stradplayer90]

that 7.3 is a freaking BEAST man. He may not have finished that quarter but that kind of power from a truck that's almost 15 years old. That's the oldest engine design out there. If I am not mistake its the only one with 2 valves per cylinder. Hate them or not the aftermarket tech is catching up with 7.3s and making them fun to watch compete.

[@buckbundy8642]

Man that's a lot of weight to be pulling off of a dead stop, when that much torque meets that much traction fighting against that much weight... transmissions, U-joints, and diffs are going to be hurting, big time! And I love it!

[@EGGINFOOLS]

Love this series. There should be a quarterly tournament of all winners

[@ReloadingRADIO]

The best show from motortrend outside of road kill

[@Gltokensp06]

This is pretty amazing. I don't think I've seen trucks pushed this hard. This is pretty cool!

[@evanb7s4]

the best part of this is that most people watching this don't know that this competition has been going on for around 9 years and isn't put on by motor trend at all and was actually done in may. Oh and this year was pretty bad compared to 2 years ago. The last 2 years everyone has just been breaking everything and that just gets old.

[@yota87truck]

LOL "urea fountains and a little man in your exhaust sprinkling pixie dust to make the soot disappear."

[@Law19157]

These announcers/hosts/presenters or whatever you call em are best I've heard in while, they give accurate information, speak clearly so you can understand and there isn't any long annoying pauses where announcers sometimes sound confused and don't know what's going on, those ones make it really boring to watch anything, may as well put it on mute. I've been watch some European race events recently and the announcers/hosts/presenters or whatever you call em there are absolutely terrible

[@TerraXHD]

This is like the best show ever !

[@TheRealSmithFamily]

Kids will be kids... I've driven all three of the "Big Three" and personally I like them all!

[@sneaky98gt]

Part of the competition is being able to keep the truck together. 1500 horsepower isn't very useful if you can't keep it together, and that's the exact point. Well rounded trucks at moderate power levels have won the competition the last few years now, as the way it should be.

[@xXPerez1423Xx]

Seems to me that the cummins can hold on better then the rest n props to the only real man with manual!

[@SheepInACart]

I couldn't agree with you more, but I do note that the compression ratio of these engines is likely lower so they can run more boost, and that most of these tunes are setup for the use of either water&methanol, nitrogen dioxide injection or both, hence not quite the same as a power tune in a street truck.

[@SheepInACart]

Lifting a vehicle also increases the front, rear and ramp-over angles so you can handle bigger objects without hitting the body or drive-train. However lifting a vehicle increases the height of its center of mass, so it handles less side slope and horizontal dynamic forces before rolling over. It also affect drive-line and steering angles so on the whole it is not recommended for road use, manufactures normally chose the vehicle height for a good reason after-all. So don't do it for looks.

[@dylanjosa]

I herd thrift shop playing in the cummins

[@Arkane308]

I like that the guy from KY runs a manual. That's a real country boy right there.

[@eformance]

I was referring to the simple idling about and the trailer cross. I have a diesel and it only smokes under load, not simply puttering about, even when I put power tunes in it. I call these drivability fails. Only the 6.4l Fords seemed to be tuned for drivability.

[@Dexter_Solid]

First of all, these trucks have straight pipes from the turbos to wherever they exit. Secondly theres only two reasons a diesel will smoke. One is that theres not enough air for the fuel to burn correctly(the reason in this video) the second would be because the injectors are damaged. European engines are small displacement with high air intakes, and probably have 10 catalytic converters, urea fountains and a little man in your exhaust sprinkling pixie dust to make the soot disappear.

[@SheepInACart]

It's also worth noting that diesel has a higher thermal mass than air, so by tuning to be placing extra unburnt fuel in the exhaust rather than unburnt oxidizer (be it nos or oxygen from the air) you cool the engine better, improving the density of the mixture at a given cylinder pressure and keeping the turbos cooler than if you ran with an ideal mixture. It does kill your fuel economy and emissions standards so probably not the best idea for a daily driver however.

[@TheDuke245]

Not killing your truck is a win for these guys.

[@pascalmpower7944]

Cummins torque rule!

[@ohblondi]

A lot of semi tractors have it rigged up to where you do not need to use the clutch to shift from gear to gear. You only need the clutch to put in in first when at a dead stop.

[@2354bill6]

The black smoke is just unburnt fuel. The turbo is the power forcing massive amounts of atmosphere 50+psi allowing the engine to make massive amounts of power.

[@SheepInACart]

Mostly suspension lift increases either the amount of suspension travel or the tyre size. A larger tyre gives the truck a bigger footprint on the ground, hence a lower pacific ground pressure so you don't sink as much on soft ground. However if you fit larger tyres on a lift you may have to lower the bump stops so that they do not hit the guards, so you do not gain as much travel. Increasing the travel allows the vehicle to handle bigger objects with all tyres on the ground, hence more grip.

[@cbrunnem]

a dually doesnt have a bigger tire contact patch. remember guys, traction force is equal to uN where u is coefficient of friction(how soft the tire is) and N is the normal force or weight on the tire. with a dualy the weight is spread across 6 tires not 4 so each tire is producing less traction but everything being equal the same amount of traction a non dually has.

[@lifeisgood070]

That trailer is weighted right? Or does that bobcat + the sheet metal trailer really weigh 10,000lbs? If so, that is one epic small bobcat.

[@heydude76]

hahahahahaha i love too see when the trucks blow up the looks on there faces is perfect

[@LJRossPhoto]

It's about damn time! It's past 9:00 on the east coast.

[@xRoyalPlayer]

this event is about making life long friends more then taking home the gold!

[@magnumbeast6515]

Hell is officially freezing over. A reliable 6.4 Powerstroke? Thats fucking insane!!!

[@trujillo71921]

Dam you gotta love the sound of those diesels!!! Especially the turbos!!

[@MercOilbuner]

The transmission is probably one of the most neglected parts on cars and trucks. Power doesn't mean a thing if you can't transfer it to the ground.

[@tullyman82]

Slightly used diesel, never raced, for sale...........

[@zecc81]

I'm not really that into big diesel trucks at all but this is presented with just enough class and less over-the-top-macho-bullshit that it's actually enjoyable to watch. Good job

[@ProfessorTapOut]

Trucks with that power barely keep together on the strip empty, I cant believe these guys entered the event. Drag racing pulling a 5ton load you know something is gunna give. Whoa!! Thats expensive!!!

[@4x4ManiacBadTimeGarage]

this vid is insane! in a goog way lol keep uploading ;)

[@ForzaDriftMan]

17:48 he's listening to Thrift Shop!! LOL

[@vegasfordguy]

I'm surprised that at least one of these trucks wasn't a manual trans. All the big rigs are manuals. Anyways, I'm a Ford guy myself but ALL of these trucks are awesome and even though I lean towards Ford's *IMO* the best truck would be a Ford Super Duty with a Cummins engine. All of these guys should be proud of their trucks!

[@1stokedmonkey]

wait wait wait... the chevy's axle shafts DIDNT break?

[@hightechredneck_0566]

Finally a real test on what pickups were designed to do. Thanks motortrend! I thoroughly enjoyed....can't wait for tomorrow's episode!!

[@TomtheS_AI]

Supposed to be super amazing at this, and they are just breaking. lol

[@koolerv8kid]

It's called entertainment. I think it's badass.

[@fullraph]

I feel like i'm watching golf on tv with those guys commenting xD

[@convincinglies1]

It was entertaining. they made it sound a bit more important and extreme than it actually was but it was interesting to watch. till the drag. at which point i was just waiting to see if any were gonna catch fire

[@TheOilman747]

That was awesome Cummins and the Powerstorkes were neck and neck Powerstrokes got out way quicker then Cummins which sucked but trucks break down all the time you will have that.

[@amidamaru0086]

They use dry clutches in Top Fuel, which is probably three to four times that (and about 8000HP on nitromethane). Granted, their clutches are only good for one run, but at 2000 ft/lbs they might last longer. All the super cars use twin-clutch transmissions, including the Veyron SS.

[@NeutronicalGaming]

in other-words a diesel is an intelligent choice!

[@niteninja01]

@Thomas Fluency Smoke means power, so more smoke means more power

[@TheTallRaver]

Great series!!! and the commentator is doing a good job, as well! We need more stuff like that!

[@SheepInACart]

Most auto's were not built to handle that stress either, hence two failures on the drag strip. A square cut manual without syncro rings will handle this much more easily, however shift times would be longer than the auto, this can be mitigated somewhat via a automated manual box. The final option is a duel clutch transmission, these are used on many heavy haulage trucks, but I'd bet this would be hard to find in the right size as well as difficult to engineer for a pickup.

[@SleepWarz]

Clutchless shifting is no rig good sir, its all in the skill of the operator and the knowledge of his machine. Newer (regular) manuals don't last too long under a clutchless shifting environment as it wears the syncros really fast. Motorbike transmissions are far better at clutchless shifting for the unexperienced.

[@Foxrider67Dawson]

Yes equipment trailers are pretty heavy duty.

[@Blackneck1994]

That GMC Dually was GETTING DOWN lol. Damn. 19:55 HELL YEAH.

[@2354bill6]

6.4 is an absolute beast of an engine, put the same amount of cash into a dodge or chevy and still wont even come close to the power of a tuned 6.4 with only a dpf delete and spartan tuner.

[@phloam60]

I still have faith that a Cummins will come through in the end! GO Dodge!

[@woostar88]

I'm not a fan of truck nor know anything about it. But this is pretty entertaining.

[@SkooledINC]

You know, seeing the transmission failures, I'm wondering if these guys put a lot of time into their motor, but simply didn't think too much about upgrading their transmissions to handle all that flippin' torque!

[@project5.097]

Can't wait for part 3!!!!!!!!!!!!!!

[@quantamuon]

Like I said, I know nothing about putting a suspension in a truck. So I didn't know why people did it. But I see many trucks with lift kits, so it does look nice.

[@Ratkill9000]

Stock form these engines will last. You start creeping much past stock and something is going to give. Whether that be the engine, transmission, U-joint, T-case, rear or front differential. When your making that much power on something that is beyond mildly tuned, expect a pretty large repair bill.

[@MrTrucker199]

Yes it does

[@pewster31]

Couldn't agree more lol.. lil bobcat, Try hauling like 8 houses in a goose neck.

[@shawnp8429]

now on Craigslist never abused well maintained !!

[@11jet1331]

It's MotorTrend, it's Diesel Power

[@younggun1715]

because for this challenge the autos are quicker there have been standards in the past but it hurts times and they don't far out well. personally i prefer my standard over the autos for daily life.

[@ericlpz12]

I loved the wheels and tires on the 99

[@dannesito304]

LOVE THE SERIES!

[@quantamuon]

What is the advantage of having a lift kit on a truck? Or is it just personal preference? Serious question, I know nothing about trucks.

[@MotorTrendWatch]

Don't worry. Tomorrow you will!

[@neworder18]

Not sure on competition rigs, but I know the truck I drove in Alaska (Kenworth W900L 525 Cummins, making 550 horse and 1400 pounds of torque) was a single clutch unit. However, that is a bit of an apples to oranges comparision, as the clutch was 18" across and the trans was 10 gears.

[@mr.actiongal1017]

good stuff!:)

[@smithkid1996]

@matthewthewizkid watch the day one video from motortrend, and it features each truck, and tells you what engine each one has, and what mods, along with HP and torque numbers. The day one was almost as cool

[@plconnor41]

The smoke is from them trying to spool their MASSIVE turbos.

[@Mebob2001]

Cummins have always working great in the lower gears if you ask me awsome launch, but on the highway on big grade's she struggle's, duramax and PSD's have always bin good off the line, but awsome in the higher gear's on the highway. and if thes new 8 speed transmissions come out it will TOTALY change towing in a light duty

[@sneaky98gt]

Aside from the fact that their turbos take a few seconds to spool, that's still not the whole story. That's like saying that a gas motor should always be tuned to 14.7 AFR at WOT. True, that'd make the most power. It also burn a hole in the piston pretty quick, too. The difference is that you can't see the unburnt fuel in the gas motor as easily as you can the diesel.

[@mortie806]

i love the look on their face when they pop,Some ones wife isn't gonna be happy

[@1DAVIDBROWNY]

I've been eating all day for this part :)

[@xicofixas]

hey video editors, the contrast is way too low, give some more light to the videos.

[@R0CKSTAR023]

I understand why they do the 1/8 with a trailer, but I'd still like to see how these trucks get down the 1/4 without a trailer!

[@waveman1500]

Safety, due to lower terminal speeds. These things were already doing 75mph with a trailer on the back, if they went to the 1/4 mile they would probably be looking at 100mph or more, which might be a bit wild with that trailer!

[@CochiseOutlaw]

Diesel smoke is better for the environment than exhaust from your car because while the exhaust from a car goes into the atmosphere, Diesel sets down on the ground.

[@Junkyard-Restorations]

the diesel truck i want is a 1996 ford f350 4 door longbox 4x4 with the 7.3. which is probably the best diesel along with the 5.9