Why so much talk about the 6.0 PSD and not much if any about the Duramax?

[Gary - K7GLD]

I only ran the Comp a couple of days with the pump wire disconnected - truck runs great, and did a great job towing our 5er from California to NC, Florida and back - but the Comp power is finally getting to be more that the stock clutch can take. I guess that as the piles pile up - 22,000 so far - and the clutch gets smoother, it's just too much. I can't run the Comp above level 1 any more, even empty, without slipping the clutch - a shame, cuz I'm real sure the power is significantly higher than last dyno, but I don't dare run it on the dyno the way it is.



There's a SBC in my future - THEN, maybe injectors and upgraded exhaust system... YEAH, even some of us OLD COOTS get power hungry...

 

[dpuckett]

One more thing to consider is that the Cummins still had some resale value with 300K++ on the original everything.



Back to the original question- I think any trouble about the Dmax problems has been sot down by the GM side of the web, or kept hush hush by the techs, et al. I've gone to the GM site a few times, and thedieselstop is just as bad at times- and they tear you apart if you mention having a problem with a new truck, what with a divinely engineered V8 diesel under the hood. Glad you guys arent like that. I'll take on any PSD or Dmax that has 270K on the original everything except hd gskt, and injector tips, and has been run as hard as mine. Mine spent its first 200K pulling a 40' GN flatbed with 2-3 tractors at a time on it; then 40K puling a 4horse slant with 8' LQ to rodeos, and to jobsites during the week. I know lots of guys that rag on me for driving the truck I do, and I tell them I'll keep up through the hills pulling, and use a lot less fuel doing it. Even turn heads when I leave a 454 pulling up a hill, and stay in 5th.



Daniel

 

[jarsong]

Originally posted by Gary - KJ6Q

I only ran the Comp a couple of days with the pump wire disconnected - truck runs great, and did a great job towing our 5er from California to NC, Florida and back - but the Comp power is finally getting to be more that the stock clutch can take. I guess that as the piles pile up - 22,000 so far - and the clutch gets smoother, it's just too much. I can't run the Comp above level 1 any more, even empty, without slipping the clutch - a shame, cuz I'm real sure the power is significantly higher than last dyno, but I don't dare run it on the dyno the way it is.



There's a SBC in my future - THEN, maybe injectors and upgraded exhaust system... YEAH, even some of us OLD COOTS get power hungry...

Yeah, dog gone it, I'm getting the itch. I think I'm going in reverse order, SBC then injectors... .

jarsong

 

[Rob Thomas]

Originally posted by jarsong

True but if you take a 01 VS 01 or 02 vs 02 for that matter the Duramax stomps it... Kills me to say it, but it's true. An HO like mine is 245HP, DMAX 300?

jarsong

You missed my point entirely. You are not comparing apples to apples i. e. , 245 hp to 300hp. It's not all the HP that engine(s) is capable of, thats what the factory set them to be. Now throw an EZ on the 245 and you have 300hp, same as the D-max, now what happens? The point was, you can't even compare stock to stock, when HP levels are different.





Rob

 

[jarsong]

Originally posted by Rob Thomas

You missed my point entirely. You are not comparing apples to apples i. e. , 245 hp to 300hp. It's not all the HP that engine(s) is capable of, thats what the factory set them to be. Now throw an EZ on the 245 and you have 300hp, same as the D-max, now what happens? The point was, you can't even compare stock to stock, when HP levels are different.





Rob

I did put an rebadged EZ on it! Oh my, it woke the beast up for sure. I don't know where the torque is now but it's a lot. What I was saying is is you took my stock 2001, 245HP truck and put it up against the 2001 DMAX, I'm toast. My only hope would be if it had a 6 speed in it and I could get it out of it's sweet spot. If it's the allison it will outrun me, loaded or not. I've tried to catch them before, they are fast and the trans/motor combo is a perfect match. Now with the EZ I can not only catch them but pass them. But again, it's not apples to apple. If he chips his, I'm toast again.

jarsong

 

[Forrest Nearing]

Originally posted by jarsong

If he chips his, I'm toast again.

jarsong

if you hang 25k off the ass of each truck, and head over the divide he's toast...

 

[mcoleman]

Couple of locals around here have put the Edge Hot juice on their maxi-pad trucks and ran mid to low 14s. I'm not sure on how long the things will last but I have to admit you will never get an 98. 5 to 02 Cummins to run mid 14s with just a box. When they upgrade their trannies like all of us with the Dodge autos have to do and then stack boxes they are in the mid 13s. Reliablity is still a factor though in my book. Plus I just don't want another ifs frontend under a truck I work with on the farm and haul heavy loads with. The last 3 I had failed. I drove the neighbors duramax back during hay season with a load of hay and even with over 16 round bales on a gn trailer it would still smoke and equally stock Cummins automatic on our hills. Of course I would never admit that to him. And he has never driven my truck when it was stock.

 

[DPelletier]

Yes, after several years of getting their butts kicked badly, the '01 and '02 DM's were(are) faster than '01&'02 Dodges. Not better, just faster. Especially in an automatic. As far as towing goes, I suspect that an '01-'02 ETH DEE would be very close in performance to the same year D-Max. forget the HP thing, the torque is what, 505 vs. 520? Add in the additional driveline losses of an Allison and your now splitting hairs as far as towing performance goes IMHO.

I bought my truck to tow, not to drag race (no slight intended on those that race).

Now the DM is back at the rear of the pack since '03 and I expect them to stay there for a little while yet.



Dave

 

[MABurns]

I traded in an 02 Chevy D/A on my current truck and believe me, they can tow! I have not yet hooked up the trailer to this new 04 but I do know that the 02 D/A combo (stock) pulled it alot better than the previous 94 and 99 CTD Rams w/AT(stock also) I had.





But I have a big smile on my face with the HO 6 speed! The 3d Gens Rock!

 

[jarsong]

Originally posted by Forrest Nearing

if you hang 25k off the ass of each truck, and head over the divide he's toast...

Neither one has enough brakes for this feat. HP is HP though. All the test they were running back in 01/02 was with 10K hanging off the back and it still beat the Dodge. Believe me, I'll take my Cummins any day slower or not, but I wouldn't be thinking your going to be smoking them up any hills stock for stock.

Jarsong

 

[jarsong]

Originally posted by MABurns

I traded in an 02 Chevy D/A on my current truck and believe me, they can tow! I have not yet hooked up the trailer to this new 04 but I do know that the 02 D/A combo (stock) pulled it alot better than the previous 94 and 99 CTD Rams w/AT(stock also) I had.





But I have a big smile on my face with the HO 6 speed! The 3d Gens Rock!

Your new truck will out tow it for sure. Not by much but it will. Big difference is your truck is just sweet!!! I love the 3G trucks. Just not enough better to ever get rid of my 01 and spending more money. Mine is paid for sitting in the garage clollecting dust.

jarsong

 

[MABurns]

Can't wait to find out, gotta get the hitch put in and wait for spring.

 

[ndurbin]

I work around all three trucks pretty much everyday. By far we see more 6. 5s than any other followed by the 7. 3s and then cummins. Usually the cummins is there to have the timing set if it's a 12v. We've had a string of 24v's lately w/ pump problems.



In comparing trucks I prefer the dodge. ford runs a close second. and chevy is last. To me the dodge is a better all around truck. It can tow, get good MPG (also while towing), and live a long life if taken care of.



I haven't really raced against a d-max or a ford w/ my truck. I've raced ford vs. ford and dodge vs. dodge. I helped a guy move cows last winter, he had a 98. 5 24v pulling a 7'x20' trailer. I had my 94 w/ slipping transmission pulling a 6'x24' trailer. He could beat me off the line but once up to speed I could hold speed better up a hill. I raced a '97 ferd agianst my boss driving a '94 ferd. the '97 had a chip and 4" exhaust while the '94 was mostlly stock except for alil pump work. the 94 would beat the 97 off the line and up to about 40 and then the 97 would pull away.



I test drove a D-max/allision when they first came out and wasn't really impressed. me and my buddy tried like hell to spin the tires but they wouldn't let loose. Still I'm really not to impressed with them.



Now if I could find a GMC or Chevy with a blown 6. 5, I'd buy it and sitck a 12v/NV5600 in there to replace it.

 

[Rob Thomas]

Originally posted by jarsong

I did put an rebadged EZ on it! Oh my, it woke the beast up for sure. I don't know where the torque is now but it's a lot. What I was saying is is you took my stock 2001, 245HP truck and put it up against the 2001 DMAX, I'm toast. My only hope would be if it had a 6 speed in it and I could get it out of it's sweet spot. If it's the allison it will outrun me, loaded or not. I've tried to catch them before, they are fast and the trans/motor combo is a perfect match. Now with the EZ I can not only catch them but pass them. But again, it's not apples to apple. If he chips his, I'm toast again.

jarsong

You missed my point again.



Don't get me wrong, I'm not trying to argue with you, but your comparing a 245 hp engine, with a 300hp engine. Weather they both are stock is irrelevant, one is still 55hp less. All I'm saying is add an EZ (60hp) to the 245 hp truck, then the trucks are more equal in hp, then compare them. Apples to apples.





Rob