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DMAX Engines

LongBiker

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LongBiker Enthusiast

LongBiker

Posted
Posted

If one was in the market for a truck with the Dmax, would one be better off with the current version or would one be better off waiting for the newer version?

 

Thanks

gunslinger45 Enthusiast

gunslinger45

Posted
Posted

I think in general, the more time a given engine has to go through design cycles the better. The current Dmax (LB7 engine) is a great motor and in general most people seem to be pretty satisfied with it. Of course there seems to be a common set of quirks that a few people complain about, but I think that's true of just about any powerplant out there. The latest Dmax (LLY engine) will have many design refinements over the LB7 engine and has more power and torque by a noticable margin. So, in general and assuming that the design changes were done competently, I would say if you could wait to get your hands on the new Dmax you may get a slightly enhanced product. Of course, you can always come to this conclusion as I'm sure next year the motor will have even more refinements as so on and so forth. Its a never ending battle, you can always stand back and wait for the next best thing. How's that for a conflicting response to your question? :thumbs: Best of luck!

 

Gunslinger

Truckman031 Senior Enthusiast

Truckman031

Posted
Posted

It depends. If the current Duramax has enough power for you, then go ahead and buy it. But if you want/need more power, then buy the new one. However if you buy the new one, you could run the risk of problems just because it has some new designs. The old one is proven and reliable. Nobody can make the choice but you.

 

 

Here are the new numbers:

Hp: 325(I think)

Lb.-Ft. torque: 590

 

Old:

Hp: 300

Lb.-Ft. torque: 520

MCourson Senior Enthusiast

MCourson

Posted
Posted

I have no complaints with the old Dmax. When the LLYs come out I will test drive one but probably not buy one. Im not sure if this was ever clarified but I have heard that the extra power of the LLY is only in gears 2-5 with the Allison. So in first gear, or all gears if you have the 6 speed you still have the power of the LB7.

BrokenBoots Enthusiast

BrokenBoots

Posted
Posted

Well, I am glad you guys helped me make my decision. LOLOL

 

Back to the drawing board.

 

Actually, GM is offering a $1000 power pack discount on the D/A. That is probably to move existing inventory. The LLY will probably be full price for a while.

 

Your thoughts.....

gunslinger45 Enthusiast

gunslinger45

Posted
Posted

Okay, I'll take a more definitive stance this time.

 

1) You've waited this long already, so another month is not going to kill you to get a more refined engine.

 

2) Paying an extra $1000 on a $37K truck amounts to around a 3% premium, but you get an engine with %13 more torque and 3% more hp, so think of it as getting your money's worth. :cheers:

 

3) You'll always wonder how much better the "other"engine would have been

 

4) Even if you only own the truck for 5 years, the newer engine (assuming everything else equal) would cost you about 50 cents per day. So drink one less can of pop each day and you can get the new Dmax.

 

Happy Holidays!!

 

Gunslinger

BrokenBoots Enthusiast

BrokenBoots

Posted
Posted

Male logic. Gotta love it. :cheers:

 

The only other factor is the dealer is offering me GM employee pricing and I keep the rebates but it's for existing inventory.

 

Will that be extended? That is the question....

gunman45 New Member

gunman45

Posted
Posted

"The only other factor is the dealer is offering me GM employee pricing and I keep the rebates but it's for existing inventory."

 

I am in the same boat, $34.5K for a 04 with the LB7, loaded with everything I want (6-way seat, trailer tow-camper package, retractable mirrors, everything but leather, On-Star and Sat Radio). Plus 9.5K trade in on my 75,000 mi. 6.5 diesel. I don't think I can make the same deal on the LLY engine.

CMNTMXR81 Senior Enthusiast

CMNTMXR81

Posted
Posted
I have no complaints with the old Dmax. When the LLYs come out I will test drive one but probably not buy one. Im not sure if this was ever clarified but I have heard that the extra power of the LLY is only in gears 2-5 with the Allison. So in first gear, or all gears if you have the 6 speed you still have the power of the LB7.

I think I've spoken to this before, that extra 10hp and 70lbs-ft of torque is useless in 1st gear as it winds out so fast and is NOT in it's peak power curve because of it. 2-5 last much longer and will keep it closer to it's peak power curve as it winds through those gears.

 

That's just my take on it. I know my 8.1/Ally goes through first rather quickly.

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