Competition Bentz Dragster, ATS TransBrake TripleLok Rocks, Engine Knocks, Goes BOOM.....

[COMP461]

here is my piston , this is the older one I still have in the truck

 

[RacinDuallie]

SPEED COST HOW FAST YOU WANT US TO GO.

I am going to run a 7 second pass , and to do that it takes light weight parts , and roller cams , High ratio rockers systems , and the ability to buzz the motor up to 6500 RPM's + and make power there. The head we ported was one of many we have been on the flow bench with; it was big, but in no way extreme. I don't post pictures of every thing, but try to give a general ideal of the direction needed to go in to make the power need to achieve the goals. I really believe that when it’s over I can run in the mid seven second ranges. This requires RPM, RPM and RPM, to achieve that you need the one thing that a Cummins lacks Air Flow

I have taken a head way farther then the head you saw, but that is not something the public will see. The quest for Air flow is most of the battle in getting these motors to run

You can go and race your flow bench all you want Gregory- doesnt mean that they will work when running with air, fuel and their byproduct heat being pushed thru them- All the flow in the world aint gonna do squat when you have to deal with CRACKS at the end of the run-
.

And Scott dropped an exhaust valve seat? That's what we were told that beat up the piston, so then the problem is the exhaust seat in the head- or rather KEEPING the exhaust seat in the head, not the piston. The piston didnt drop out- the exhaust seat did! We *ALL* would love to lay 'claim' to reinventing the wheel too- but I'm sure you already have us beat there too... ... . !

The fact that The Cummins Diesel Dragster has already run 7secs- using stock pistons is further testimony towards the ' Bucks Down Approach' Racing-

7seconds using stock pistons and a lower budget-

or

8. 72seconds using high dollar pistons and someone elses BIG budget... ...


They just solved their transmission issues, get awesome torque multiplication- 0% slip- and their old wounded engine decides to fart an exhaust seat- so that gives a reason to start reinventing their engine program? Sure if your using someone elses budget... ... ... .

 

[Sled Puller]

this is a drag racing piston, and not a pulling pistons ,

Definition: "Drag Racing Piston"- COMPS design, light duty, cheap, low power. For applications well under 1000 HP.



I'm thionking a pulling psiton will break 200 MPH in the 1/4 before yers does, COMPy.

 

[COMP461]

sleddy you crack me up , the piston plug I'm using has held more torque then any diesel will ever make . like maybe 6000 foot pounds and 8000 hp .



but you know the great thing about you attitude is , if you not moving forward , you being left behind.

 

[sbentz]

Definition: "Drag Racing Piston"- COMPS design, light duty, cheap, low power. For applications well under 1000 HP.



I'm thionking a pulling psiton will break 200 MPH in the 1/4 before yers does, COMPy.

Darn, off the web for 12 hours and it sure got some replys!



OK



First: The pistons in the engine are PURE STOCK HOME GROWN INDIANA CUMMINS parts. Stock 215 HP ISB Dodge Nothin fancy. Why? WHY NOT! For 7-10 seconds, they have held up fine. The first one we torched was from a slug of (nearly pure) alcohol hitting it without using a spray bar distributing the water / meth mix. MY FAULT, not the piston.



Second: The first 8 second pass was on stock parts, and so was the first 7 second pass. The first 200? I got a cold keg of beer saying it will be a stock Cummins piston. Hopefully, in our engine. Nothing wrong with the Scheid / Arias slug, just don't see any real advantage for me. I like the Ni-Resist top ring insert on the Cummins piston to keep the top ring from welding itself to the piston. When I looked at the Arias one at SEMA, I did not see that.



I just like seeing how to preak thses stock parts before changing them out for a high dollar part that may not work any better.

 

[Sled Puller]

You are right Scott, you just can't throw a big power piston in, and go, you need to build the engine around it. You aren't there yet, thats fine. And the stock pistons are dern tough.



Now Comp, do you have a dyno graph for your crack induced majic numbers?



I think they are high, for whatever you are talking about, but high seems to be a common trait with all your adventures.

 

[COMP461]

When you can run with us, I will take constructive criticism from you. I am confident with stock rods the stock Cummins piston will hold up just fine, no need for a Aires piston, a waste of money.



When you go for something different, like take 60 lbs of moving weight out of these tractor motor. Then you might get an ideal of what I am trying to accomplish.



Scott was the brake release clean , and how quick was it .

 

[RacinDuallie]

I am confident with stock rods the stock Cummins piston will hold up just fine, no need for a Aires piston, a waste of money.

Then you might get an ideal of what I am trying to accomplish.

So now the stock pistons are good.


What exactly are you trying to accomplish?

 

[Hohn]

Well, as you will see below, the failure had no connection to oil. Matter of fact, it probably kept us from seizing the piston. And by the way, I don't know what oil you like, but Lucas has done pretty darn well for us.

I know- but since you're one of the best guys here, I thought you needed a little sponsor-ribbing



Might want to check the windshield wipers on the car, too



Justin

 

[Hohn]

OH!! It just dawned on me! You guys are talking about ARIAS pistons!!!



When I saw Aires I thought K-car:-laf:

 

[sbentz]

I know- but since you're one of the best guys here, I thought you needed a little sponsor-ribbing



Might want to check the windshiled wipers on the car, too



Justin

Heck, I knew you were "joshin"... .



Actually, we needed wipers on the car, as we oiled the track down a bit in the lights. Dustin kept is straight, though... . Chute is a bit greasy.....

 

[Sled Puller]

Definition:

Arias in 'Componics' = Aires

I guess I have been reading arrogant Texan long enough, even before COMP, that I understand it!!LOL Hence "maJic".





Now, where was I? Oh yes, COMP, let me know when you catch up to anybody.



You had ONE good downhill run, and haven't backed it up since. Old news.

 

[Sled Puller]

SPEED COST HOW FAST YOU WANT US TO GO.



I am going to run a 7 second pass , and to do that it takes light weight parts , and roller cams , High ratio rockers systems , and the ability to buzz the motor up to 6500 RPM's +

OR, you could put a powerhouse pulling engine in, and click it off in a real truck, no tupperware body.



"SPEED COST HOW FAST YOU WANT US TO GO" Classic example of COMPost.

 

[COMP461]

I guess I have been reading arrogant Texan long enough, even before COMP, that I understand it!!LOL Hence "maJic".





Now, where was I? Oh yes, COMP, let me know when you catch up to anybody.



You had ONE good downhill run, and haven't backed it up since. Old news.

Have had several good runs, all 1/8 mile runs in the low 5 second range Maybe you should rethink the that sled pulling technology. It doesn’t seem to be getting any where in dragster or trucks at the drag strip. Neither Scott nor I use the sled pulling gurus, and both of us are apparently at the top of our class. We both seem to make about the same power, and both are testing, testing equals broken parts. But that is the cost of running in uncharted territory. And I wished I had a big budget, it’s like pulling teeth to get money to put in to a already record setting truck. . Now that the Edge truck is history, they haven’t no reason to push as hard. I do most of the R& D on my own to achieve a diesel like no one has ever had,

 

[Sled Puller]

Have had several good runs, all 1/8 mile runs in the low 5 second range ,

So 10 second 1/4 mile, cool, you can almost catch TS Performance!!

ROTFLMAO!!!!!!!

 

[COMP461]

I guess you have no comparison of 1/8 to quarter, my truck back half’s in the 3. 0 range, you go figure. But you a sled puller and it has to be explained to you, as we all know that mentality. The 1/8 I’m running now correlate to a low 8 20 something in the quarter.

 

[COMP461]

So 10 second 1/4 mile, cool, you can almost catch TS Performance!!

ROTFLMAO!!!!!!!

T S PERFORMANCE would have their hands full catching Fletcher , as we all know Fletch is the undisputed fastest , Pro Street truck .

 

[ob1kobi]

Since when has that become undisputed?

 

[Sled Puller]

Yes, and Sledpuller mentality, says 150 foot track ain't no 300 foot track.



I will be surprised if you get into the 8s again-in front of a Diesel crowd, you know, where it matters.

 

[BRayls]

our sc car ran 5. 60's and would run under the 8. 90 index if you let it.