Competition Has a third gen broke 12sec on diesel only?

[J.Davy]

How about with nitrous or water/meth?

 

[SRadke]

Broke 12... like into the 11's? That's impressive for any 4x4.



-Scott

 

[J.Davy]

Ya ,I suppose it is a little bit of a long shot. I have been looking into modifying my cp3 and am trying to determine if it is really worth it. There are some many different guys listing so many different h. p. #s with the same mods I think 1/4 mile times might be a little more accurate for determining power gained from a mod. At least if the trucks are similar in weight and configuration. Personally I am not convinced even that twins will gain much in h. p. over a big single.

 

[AK RAM]

With all the modded CP3s popping up, it is just a matter of time. Pushing 7,000+lbs down the track in 11 seconds is impressive. You are close enough already that a 150hp shot of nitrous would probably put you well into the 11s.



I'd like to get there myself, but I'm too chicken to use nitrous. I'm going to lighten my truck and run four 255 slicks next year with bigger water/meth jets and see if I can't get there. That would sure be sweet.



On 1/4 mile times..... I can be a half second slower from one day to the next at the same power level depending on atmospheric conditions. Just not a very consistent indicator either when you think about it.

 

[SRadke]

Personally I am not convinced even that twins will gain much in h. p. over a big single.

There are many third gens in the 600's with twins (fuel only), a few even in the 700's but I've never heard of anyone in the 600's on a single. There is a world more air in twins and it shows. Throw in a big shot of NOS and the diffrence decreses but drug free twins will be the ticket IMO.



-Scott

 

[AK RAM]

SRadke... . When are you going to dyno with those new twins? The numbers in your signature are pretty old, aren't they?

 

[J.Davy]

I wish I could dyno my truck,but the closest dyno is probably in Anchorage or Fairbanks. What would you guys guess my h. p. is going by my e. t. or my list of mods?Mark Chapple @ T. S. T. recently dynoed the hx-40/ ht3b twin setup on his 03. He only gained 17h. p. over the stock hy9. However he did gain 60 usable towing h. p.

 

[Idaho CTD]

I wish I could dyno my truck,but the closest dyno is probably in Anchorage or Fairbanks. What would you guys guess my h. p. is going by my e. t. or my list of mods?Mark Chapple @ T. S. T. recently dynoed the hx-40/ ht3b twin setup on his 03. He only gained 17h. p. over the stock hy9. However he did gain 60 usable towing h. p.

Something is wrong if all he gained was 17hp. Most likely it was the Mustang dyno he uses. After about 500hp the results are pretty erratic due to traction issues.



Last year I went 12. 83 as my fastest time and this year I went 12. 92 on the brakes bracket racing. I was down almost 6mph going through the traps so I would guess low 12. 8's to high 12. 7's if I would have stayed in it.

 

[joaker]

We have a 3500 Dually 4x4 Q/Cab CTD that did 12. 52 @ 108. 45 at our Annual Blackout Day, single charger, and I believe it was an 80hp of the laughing gas, no other drugs, I believe he did 12. 7 or 12. 9 without the gas, still pretty awesome for a truck of that size in my eyes... there is video to prove it at our website... . www.nadp.ca

 

[J.Davy]

I suppose there are a lot of variables with e. t's as well ,but I can tell you this much,with the tst and downloader and dtt transmission the best i could do is 13. 5 with the stock turbo,as soon as i put on the pro-52 i could do 13 flat then i took of the cat and muffler and did a 12. 86. Now I have a top end fueling problem and can only hit 13. 27 with a lot of missing and bucking going on.

 

[SRadke]

SRadke... . When are you going to dyno with those new twins? The numbers in your signature are pretty old, aren't they?

Yea, those are single charger numbers, I hope to get to a dyno in October with the twins. I'm making an effort to see how far I can push a totally stock head drug free. Shooting for 600 hp, think I can do it? Yea, I know I've got too much free time.



-Scott

 

[AK RAM]

Shooting for 600 hp, think I can do it?



-Scott

You have an SO like me, correct? I have seen just one HO do it, but I have seen a couple 04. 5s do it and make it look easy. Haven't seen a SO do it on #2 only yet. If we only had a dyno in AK so I could see where I'm at. I know I'm close, just don't know how close.



I don't know if I trust them (been given flaky info before), but my local Bosch service center tells me the CP3 internals changed considerably for the 04. 5 and 05s and are capable of flowing a good bit more fuel than the CP3s on our trucks. For us SO guys, finding a used CP3 from a newer truck in a junkyard that can keep up with the fuel we are commanding may be the only way to make 600hp on #2 happen for us. I have seen them go for as little as $300. That is $800 less than what ATS and the like wants for their modded CP3. If what the people at the Bosch service center tells me is correct, you should gain some decent power and the housing is the same, so it should bolt right up.

 

[SRadke]

Yep, 250 hp SO here. I know of one 05 that made 59x with twins and programming at just over 40 psi boost. I had to push my single really hard to get 500 out of it. We'll find out in a month or so.



The Bosch info is interesting. Hopefully sombody wiht more time that me will play with that and tell me how to do it.



-Scott

 

[J.Davy]

Thought I would post this after Talking to Mark@tst on Thursday. He said that his 03 cummins is now the first truck to brake 500h. p. on his dyno. The previous record holder was a Duramax. This was done with a industial injection Phat shaft "66". Basically it went like this,first he dynoed his truck stock, then with the T. S. T. . His best number was 462 h. p. with the stock turbo. Then he bolted the set of twins and gained 17 peak h. p. Last week he pulled them off and dynoed the single and hit 500 even,a 38 h. p. gain over the stock turbo. My Question for you guys is this,without regard for egt do twins actually make more peak h. p. ?

 

[SRadke]

With the same fueling twins will only show a gain in HP if your single is unable to supply enough air to burn all your fuel. This of course assumes the twins are able to supply more air than the single.



-Scott

 

[JoshPeters]

I believe there is a couple from here in MN, running 12. 7's on a Single charger on an 03. Powerhouse Diesel... . You may have seen them down at IRP.



Honestly that's about all I know.



Josh

 

[J.Davy]

Scott, is there not a gain from the compounding effect and drawing the air in through the big turbo?Or would a gain be offset by the h. p. to drive two turbos?The reason I am asking is I want to go to twins and use the stock turbo on top,but I don. t want to lose peak power. I like everything about my pro-52 other than it is really hard on the engine oil.

 

[SRadke]

Like I said, a certian amount of fuel can only produce a certain amount of power. It all depends on how efficiently you can burn that fuel. If you're pushing your single out of it's map and pushing hot air into your engine with high drive pressures then you would gain by stepping up to a bigger or compound turbos. The real benifit of twins is their ability to make high boost pressures and keep the intake temps as well as drive pressure down.



What do you mean the Pro-52 is hard on the engine oil?



-Scott

 

[mattymac]

Scott, Have you been drinking at work between this last post and the others?



J Davy, Someone here was running an Arctic Air twin turbo kit (uses the stock charger on top) And it was pretty impressive on the dyno.



I would like to see what my truck will do with the new SPS 66. My last dyno was 450 on the stocker, and now with the charger and pressure box it has really grew some longer legs. I should be 500+ easy. My local shop gets its dyno fixed hopefully by the end of the month then we'll see.

 

[SRadke]

Sorry about that :blushie: I tend to type really fast and forget to proof read from time to time.