Last month I ordered a 2005 Chev D/A 2500HD. I currently drive an 03. I am scared that the new truck won't live up to the standards I have because of my 03. I have been running the juice/*** and a 4in exhaust since 3800km and now at 75,000 the truck has been flawless. (I did bend a tie-rod beating up on my friend lightning at a stop light one day though)http://www.dieselplace.com/forum/smileys/smiley9.gif. I Drag Raced the truck. Drove in level 5 everyday I wasn't towing. The only reason to get the new truck is milage. I can flip into a new one for the same payment as I have always done with my gas trucks. Will the LLY have as much performance potental as the LB7? As always I will be looking for more power next time. I have to decide between


1. Keeping my 03 almost forever and doing the tranny and more power or


2. Taking the LLY in 2-3 months and hoping for more power potental


Tough choice, help me out...

If I had it to do over again I would have kept my lb7. They come factory with less power but you gain it right back with the aftermarket chips. There are so many more chips for the lb7. LLy has been good but it has quirks. Fuel economy isnt anywhere near the lb7 and the grunt of the line is better in the lb7. Unless you suspect something is wrong with your current truck, keep it. two pennieshttp://www.dieselplace.com/forum/smileys/smiley1.gif

I have to agree with blowinsmoke. My observations are exactly the same as his.


I don't think you'll ever see the power levels with the LLY that you do now with the LB7's.


One nice thing about the LLY is that if you have injector troubles you are not down for weeks like you are with the LB7.


Edited by: Max Power

How did you bend a tierod?

So far with 1700 miles into my 05, I'd have to agree with Max Power. I find nothing really better about the 05, and several things worse, such as mpg, missing several features, low power, did I say MPG! Hopefully, with age, as with women, it will improve. The ONLY thing I can see as a biggie in favor of the LLY is you can easily change injectors if you have to. For me, that was very important for a truck spending much of its time out of the US in 3rd, sometimes 4th, world countries. Hope the 05 is as dependable as the 02. By the way, both my 05 and 05 (so far) are and were bone stock mechanically.

How did you bend a tierod?


4 wheel drive launch, 2100 RPM, 33 Tires. But you should have seen his face when my crew-cab left his 03 lightning at my rear bumper.http://www.dieselplace.com/forum/smileys/smiley36.gif

I assume you didn't have any tie-rod sleeves on the truck when you bent it?

Definately keep your LB7 till they get the emissions bugs gone!!!

No sleeves. Starting spinning in 4WD. Then it started to hop. When I let off (after the race) the steering wheel was off by about 60 deg. Oops! Was worth every penny to woop on a lightning form light to light. When we raced at the track later he pulled by me hard when I had got to about 45-50mph. Oh well at least I got him in the real world.

The LLY currently does not have the performance potential as the LB7. IF YOU RACE. If you just tow? The "tow" tunes (Love my TTS) provide all the power you'll need unless you want to tow over 75 mph uphill at max combined weight.


The mileage issue...


When I read posts about LB7 mileage, my numbers are very similiar to theirs. 19mpg hwy at 75 unladen, 12-15 city with zero highway, 11-12 mpg at 17,000lb at 75, 15mpg at 12,000lb at 75mph. It gets the mileage I expected out of a heavy 4x4 auto 310HP truck with a diesel. And no, I don't need to hear another, "My LB7 gets 24mpg!" story. None of my friends LB7's do.


If you read enough LB7 mileage threads, they will look like LLY mileage threads, "My new truck is only getting 14 mpg! Did I get a lemon??" pops up in both threads.


You certainly can't go wrong with LB7, but the rumors that the LLY is inferior to the LB7 is poppycock IMO. Is there a significant reason to upgrade to the LLY? Nope. Is there a real reason to fear the LLY? Nope again.

I have been running the juice/*** and a 4in exhaust since 3800km and now at 75,000 the truck has been flawless.


That is one of the benefits of a diesel, you don't have to replace them at 100,000 like you would a gas, your crazy if you don't keep the '03.

Last month I ordered a 2005 Chev D/A 2500HD. I currently drive an 03. I am scared that the new truck won't live up to the standards I have because of my 03. I have been running the juice/*** and a 4in exhaust since 3800km and now at 75,000 the truck has been flawless. (I did bend a tie-rod beating up on my friend lightning at a stop light one day though)http://www.dieselplace.com/forum/smileys/smiley9.gif. I Drag Raced the truck. Drove in level 5 everyday I wasn't towing. The only reason to get the new truck is milage. I can flip into a new one for the same payment as I have always done with my gas trucks. Will the LLY have as much performance potental as the LB7? As always I will be looking for more power next time. I have to decide between


1. Keeping my 03 almost forever and doing the tranny and more power or


2. Taking the LLY in 2-3 months and hoping for more power potental


Tough choice, help me out...





Today out of curiosity I test drove a new 05 Duramax. It was exactly the same truck as my 03 Duramax except for the new features offered on the 05.


To be honest I was disappointed with the performance of the 05. I guess that maybe I expected to much. The turbo lag is significantly worse than on my 03. I realize that the 05 is new and probably a lot tighter than the 03 but the 03 with with 12,000 miles on it definitely is much more responsive.


I will keep my 03 and keep the $$$$$$ in the bank for now.http://www.dieselplace.com/forum/smileys/hihi.gif

I would keep the LB7... Just my opinion... More power options at this time, no EGR and no cat.... I think the new motor has potential, but with all things this will take some time... Good luck in your decision.. Whatever you do...

I would keep the LB7... Just my opinion... More power options at this time, no EGR and no cat.... I think the new motor has potential, but with all things this will take some time... Good luck in your decision.. Whatever you do... I wish that was all true. I have a LB7 and have a CAT. I hate the fact that I have it on my truck.

The LLY currently does not have the performance potential as the LB7. IF YOU RACE. If you just tow? The "tow" tunes (Love my TTS) provide all the power you'll need unless you want to tow over 75 mph uphill at max combined weight.


The mileage issue...


When I read posts about LB7 mileage, my numbers are very similiar to theirs. 19mpg hwy at 75 unladen, 12-15 city with zero highway, 11-12 mpg at 17,000lb at 75, 15mpg at 12,000lb at 75mph. It gets the mileage I expected out of a heavy 4x4 auto 310HP truck with a diesel. And no, I don't need to hear another, "My LB7 gets 24mpg!" story. None of my friends LB7's do.


If you read enough LB7 mileage threads, they will look like LLY mileage threads, "My new truck is only getting 14 mpg! Did I get a lemon??" pops up in both threads.


You certainly can't go wrong with LB7, but the rumors that the LLY is inferior to the LB7 is poppycock IMO. Is there a significant reason to upgrade to the LLY? Nope. Is there a real reason to fear the LLY? Nope again.





I can prove this guy wrong with 2 trucks. I haul for a living and have had 5 Duramax's. The worst thing I ever did was buy the first LLY. The dummest thing I ever did was buy the second!

That is one of the benefits of a diesel, you don't have to replace them at 100,000 like you would a gas, your crazy if you don't keep the '03.











I not worrried about wear as much as I worry about resale. This is a leased truck. If I trade now they will give me roughly the same money for I as the current buy-out. If I keep it for the whole 4 years it will be worth nada as a trade. I can get the new truck for the same payment as I have now on a new lease. I have only owed this truck a little over a year with 75,000 on it already. (still looks, and drives like new though) After 3 more years, who knows?

First of all DO NOT LEASE ANYTHING!!!!!!! Second, keep the one you have. If your not having any problems out of yours, why take a chance? Alot of guys took a chance and got rid of their LB7 for an LLY and regret it due to more problems. Can you afford repairing one? I guess it all comes down to one question, "Do you feel lucky?"

Why not Lease? People who say this often do not understand how a lease works. I own my own business and put on 60,000+ a year. (lease = writeoff) I usually flip into a new truck every 14-18 months. I could buy my trucks, and by the time it is paid for at the same payment per month it would be worn out. Example 7yrs Payments, 420,000 to 500,000 on the truck. On the good side this is my first diesel and is also the first truck in 7yrs I have thought about keeping. I am just concerned that I won't be happy with the LLY.


On another note I saw I guy test driving a 05 Dmax yesterday. He was in front of me cuising slowly. It was smoking white at a steady speed of 25-30mph. When he stepped on it it got a little worse. Scary.

Rick....what I don't understand here is your logic with the whole lly thing. I see you have two of them now. If your mileage sucks that bad.....there is something wrong with your truck. Maybe try a different dealer for some diagnostics....if there isn't any codes it doesn't mean there isn't a problem. Thats what seperates good techs from the average tech. To adress the turbo lag......with no muffler and no kitty....the lag is gone. I know this isn't an option for some...just wanted to throw that out there.


on edit: There are new flashes out for the lly....might want to look into that.Edited by: dpower

Why not Lease? People who say this often do not understand how a lease works. I own my own business and put on 60,000+ a year. (lease = writeoff) I usually flip into a new truck every 14-18 months. I could buy my trucks, and by the time it is paid for at the same payment per month it would be worn out. Example 7yrs Payments, 420,000 to 500,000 on the truck. On the good side this is my first diesel and is also the first truck in 7yrs I have thought about keeping. I am just concerned that I won't be happy with the LLY.


On another note I saw I guy test driving a 05 Dmax yesterday. He was in front of me cuising slowly. It was smoking white at a steady speed of 25-30mph. When he stepped on it it got a little worse. Scary.











I don't know about Canada, but here if your truck weighs more than 6000lbs (I think) and you own your own business then you can write that off. The bad things about a lease is you aren't building any equity up in it, balloon payment, and if you go over 30,000 miles, then you have to pay a penalty. A friend of mine is a car salesman, I asked him long ago about it and he said not to do it. He said their dealership tries to talk people out of it.-anyway whatever works for you. Good luck and be happy with what you have. IMO

Why not Lease? People who say this often do not understand how a lease works. I own my own business and put on 60,000+ a year. (lease = writeoff) I usually flip into a new truck every 14-18 months. I could buy my trucks, and by the time it is paid for at the same payment per month it would be worn out. Example 7yrs Payments, 420,000 to 500,000 on the truck.





You can write off 100% of the price of a truck the year you buy it with a section 179 deduction too right?

Have had both LLY's reflashed. Fuel mileage did seem to go up a little. The first truck has been to 4 differant dealers and GM them selves say they know they have a problem, but don't know how to fix it. I am trying almost everything anybody suggests!