Twins and Pulling

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unfinished business

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Just wondering why there are no street classes for twins? I would love to pull at our local track (Buck) but they do not allow twins. Can anyone tell me why that is?

I am not sure I would want to go back to a bigger single just to pull.

Paul
 
From talking to the our local pulling association, there is no way to set up a fair class. How do you spec the charger?

You can have the same low pressure charger but two different high pressure chargers and the power will be the different.

On top of that, very few people use the same combination, so there has to be some room for wiggle and it just becomes a nightmare. Our local association really wants to pull compounded truck because they are all around here.
 
i think its crazy not to let us pull too, in my area i have to pull my street truck in the mod class just because i have twins BUT you can put a 200hp shot of nos on your truck and run the street class, makes no sense.
 
I don't see why pulling associations can't just have a street open class. As long as the truck is street legal...you run what you brung.

I really want to go to a big twin setup but no one lets you pull with twins except in exhibition classes. And that is just a waste of time and money. You would think with all the trucks around with twins they would have figured out how to run them by now.
 
This is as easy as it gets guys Twins or Big Twins make big power. Big power equals big breakage. Big breakage equals people getting hurt. How many of you "Street twin" guys have any safety equipment?
 
JerrodGlover said:
This is as easy as it gets guys Twins or Big Twins make big power. Big power equals big breakage. Big breakage equals people getting hurt. How many of you "Street twin" guys have any safety equipment?
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Not trying to start anything but my twins only make mid 500's to the rear tires. I know alot of guys running 64/71/14's making that or more.

You are correct though, I do not have any saftey gear, but my friends who pull do not either.

PS the truck in your sig looks awesome!

Paul
 
With exception to some newer rules where it's unlimited single or option for 3.0 or 3.2 atmosphere dual chargers, the few times I've seen twins allowed there is an inducer limit on the atmosphere (large) charger that is equal to the inducer limit as if you were running a single.

Lets use 2.6 class as an example. You are allowed to run a single charger with an inducer of 2.6. Now lets say they let you have twins where the inducer of the larger turbo is no bigger than 2.6" Guys are already spending money on making one, single 2.6 charger produce rediculous amounts of air. While some with twins don't and won't do that and will only make mid-500s. The guys who are willing to spend big money on a single, will likely do the same with twins and the power limit of the class just got pushed up 100rwhp or so. Do you really want a class that's already getting some serious power trucks to go further into orbit by allowing twins? I doubt you would.


There simply is no good way to allow twins in a class that is benefitial to the guy from the street who has twins on his DD. The outcome will be the same for him - crushed by the dedicated pullers of the class who will push the limits of the rules to maximize power output.


Besides, who even has a twin setup where the inducer on the big charger is as small as 2.6"??? I'm not aware of a kit that small. And if you allowed say twins with a 2.8" large charger in with the smaller 2.6 single charger trucks, yeah, it's gonna be ugly!!! We're talking about stock-driveline-eatting-on-a-regular-basis kind of bad because I'd venture a guess to say that 1000++rwhp would be attainable with some custom twins even with the big 'en only having a 2.8" inducer.


C-ya
 
Most organizations around here dont have a class for twins either. But there is one run what you brung organization around here that you can pretty much run whatever will hook to the sled at 8500lbs and 26" hitch height.

Eric
 
Cummins Driver said:
Most organizations around here dont have a class for twins either. But there is one run what you brung organization around here that you can pretty much run whatever will hook to the sled at 8500lbs and 26" hitch height.

Eric
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KOTTPA's Super Street class allows a 2.8" single or twins also. I think their rules say the inducer of the large charger can be no larger than 2.8". There again, I really think a set of finely tuned 2.8 twins would make more usable power than a single 2.8" charger would by itself.
 
Thedieselkid83 said:
Not trying to start anything but my twins only make mid 500's to the rear tires. I know alot of guys running 64/71/14's making that or more.

You are correct though, I do not have any saftey gear, but my friends who pull do not either.

PS the truck in your sig looks awesome!

Paul
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500HP but what kind of torque numbers are you putting out? The torque is what will blow the parts on the track.
 
As far as safety items go...if you are pulling somewhere in any class but a stock class and don't need safety equipment then the organization is a hack.

If you pull around here you need u-joint guards, drive shaft loops, fire extinguisher, cross bolts in the exhaust. And that is just for the street mod guys. Once you step up into the big boys class you need tranny blankets if over 4200rpm air shut off's and kinds of other crap.

So really the safety argument is BS. The reason there aren't any twins classes is because the guys who run the shows don't want to put up with cry babies because they didn't do their home work and got beat.
 
A street class to me is a class were you can pull a truck off the lot, put a exhaust intake and programmer on it and have fun. Obviously some put ALOT more then that into it. But you have to keep it somewhat reasonable, if a guy with a stock turbo truck gets his ass kicked weekend after weekend, and by kicked I mean 50' or more. he ain't coming back. If he needs to drop $6,000 just to stay close to he field its not happening. Then you lose the guys starting out in the sport, which are the big boys of tomorrow. With out new guys growth becomes stale. Most (if not all) of us started out with a very BASIC truck and worked up. Look at Scott with BBD... He didn't just go buy a mod truck and hook up, he had the original BBD. And I'm sire he didn't just all at once build the original and hook it up. He worked up through the classes, and if you go out and your "start up" class is ridiculous HP and $ guess what... No one is gonna start up and the few guys that do come out with the $$$ and build some awesome trucks are still gonna get spanked because they never had the learning curve to get there. It would be like NASCAR saying you could run a Cup engine in your local low buck starter class. The guys with the money will stay and win and the rest will go home never to be seen again.
 
zstroken said:
500HP but what kind of torque numbers are you putting out? The torque is what will blow the parts on the track.
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Good point. It is putting down 1050-1060. I just want to go out and have fun...even an exhibition class would be fine for me.

It is more about having fun than winning...for now.

Paul
 
Why not just have a class called street twins, and limit it to a 2.8 standard? Besides, power isn't everything.
 
The best part about twins is u can drive 8hrs or so still get 15mpg hook a couple times to the sled have a good time. And I won't lie there are some single chager trucks that will give u some good competition but when a p pumped truck can turn 5k with a single charger and most us cr guys turn 3500rpms with twins it seems to come down to whose a good driver not always about the chargers but others get so technical lot of us its just some fun and sometimes fun pays off lol
 
trentnell said:
X2 i just pulled for the first time last weekend , i had to enter the 3.2 class and had to adhear to any saftey requirements for that class.
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thing is united adopted NADM rules and the 3.2 is the only twin alowable class belive me its not easy getting all the saftey equipment on a tight budget but thats how it goes if there could be a 2.8 twins class how many would be there maybe back east you could fill a class where as out here we are just still in our infantcy maybe one day we would have enough trucks to fill a 2.8 twins class by the way how did your truck do last weekend just wondering cause i wasnt there
 
cahammer said:
thing is united adopted NADM rules and the 3.2 is the only twin alowable class belive me its not easy getting all the saftey equipment on a tight budget but thats how it goes if there could be a 2.8 twins class how many would be there maybe back east you could fill a class where as out here we are just still in our infantcy maybe one day we would have enough trucks to fill a 2.8 twins class by the way how did your truck do last weekend just wondering cause i wasnt there
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Really well , i took first in 3.2 class there werent many trucks though and all of us had twins :hehe: it was a short track and the sled was geared pretty tight but it was a great time . kinda funny to see a lowered truck sitten on 35's :rockwoot:


YouTube - Trent Nell Duramax Pull
 
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