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Hello, Eddie here and I will try to help. That is a great question. The 6.2 Ecotec has 420 horsepower and 460 ft. lbs. of torque, so my only theory is that this is a performance oriented package that GM is going for quick, race truck style performance, and they didn't want the extra weight of the bigger springs, bigger differential, bigger everything on the 2500 chasis. As that would slow that truck down some. I don't even think you can special order it form a dealer with a 6.2. But you might want to inquire at a few anyway. That is about the only reason I can think of why GM wouldn't offer that engine in a 2500. It's a fairly new engine as well so maybe in the next few years GM will ditch the 6.0 vortec in the 2500's and put this 6.2 in. Especially if enough people show interest in it. Let me know if you have any further questions. Thank you.
I know, maybe GM is testing this 6.2 in a lighter chasis, I'm sure there are some reasons behind it, but I agree if they are going to put it in the 1500 they should at least offer it in the 2500 as well. the 1500 weighs 4500-5400 lbs the 2500 weighs 55-6500 pound curb weight. So those bigger springs, rotors, differential, all that stuff adds up. Maybe GM is kind of "bench testing" that 6.2 in a lighter truck to see how it holds up before putting it in something heavier. Only theory I can think of.
Alright, Thank you!
Hello, my name is***** you for the question. Did you still want some help with this?
Jeff Luke, the General Motors Executive Chief Engineer for full- and mid-size trucks, would be the person to ask. Here are some of his comments recently "
Because HD customers tailor their trucks to their specific needs, the 2015 Silverado and Sierra will offer a choice of three fuels -- gasoline, diesel or compressed natural gas.
The standard engine is a rugged 6.0-liter V-8, engineered and tuned for low rpm
pulling power and great dependability."
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Register here and contact Jeff Luke and ask him, https://media.gm.com/media/us/en/gm/account/create_account.html?id=1458489119263
It's ***** *****ke not Duke and did you ask him yet? If so, what answer did he give you?
If anyone has your answer, he does!
Jeff Luke. I spent a good 1/2 hour searching for that contact info, so JustAnswer® is not a free service. I work hard to make sure you're satisfied with my service and I only get credit for my answers based on your rating. Once you're satisfied, please leave a positive rating.
Yes, I missed the U when typing it in the second time. I is right next to U on the keyboard and I am not a good typist.
I gave you the link to him, Jeff Luke, the General Motors Executive Chief Engineer for full- and mid-size trucks.
Why am I waiting for you to get to back to me? To learn what he said? I cannot comment on what he says, he is the Chief Engineer, so what he says would be closer to the truth as far as why there is no 6.2 in a 2500.
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