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4.5L V8 Duramax diesel for 2010 1/2-ton GM trucks

6 messages,  Last post on Apr 10, 2009 at 6:33 PM

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#1 of 6 4.5L V8 Duramax diesel for 2010 1/2-ton GM trucks by rsholland Jun 15, 2007 (2:53 pm)
GM today announced news about their upcoming new Duramac diesel for their 2010 1/2-ton trucks and Hummer H2.   http://blogs.edmunds.com/Straightline/2935   Bob Replies to this message: rockylee (Jul 24, 2007 5:57 am) duramaxjunkie (Mar 04, 2008 8:35 pm) bigmclargehuge (Mar 13, 2008 7:47 am) phil53 (Apr 10, 2009 6:33 pm)
#2 of 6 Re: 4.5L V8 Duramax diesel for 2010 1/2-ton GM trucks [rsholland] by rockylee Jul 24, 2007 (5:57 am)
Replying to: rsholland (Jun 15, 2007 2:53 pm) I wonder if a even more powerful version will be available for the Denali trim Sierra/Yukon ????? Replies to this message: duramaxjunkie (Mar 04, 2008 8:35 pm) bigmclargehuge (Mar 13, 2008 7:47 am)
#3 of 6 Re: 4.5L V8 Duramax diesel for 2010 1/2-ton GM trucks [rockylee] by duramaxjunkie Mar 04, 2008 (8:35 pm)
Replying to: rockylee (Jul 24, 2007 5:57 am) Hopefully they offer it in the sierra because we all know that the sierra is the gem of the GM truck line. Even if they do not offer a more powerful version the look of the sierra is so much better than the silverado anyways. I wonder how long after the debut will there be some aftermarket parts available for chevy and GMC i.e. exhaust, intake, and headers? Replies to this message: bigmclargehuge (Mar 13, 2008 7:47 am)
#4 of 6 Re: 4.5L V8 Duramax diesel for 2010 1/2-ton GM trucks [duramaxjunkie] by bigmclargehuge Mar 13, 2008 (7:47 am)
Replying to: duramaxjunkie (Mar 04, 2008 8:35 pm) Headers don't typically come as part of the diesel upgrade package. I'm sure it could be done, but they would need to be much stronger and better insulating than gasoline-V8 headers. Turbo-back exhaust and intake are always big improvements.   IMHO, this is so better way to go than hybrid trucks and large SUVs.
#5 of 6 Re: 4.5L V8 Duramax diesel for 2010 1/2-ton GM trucks [rsholland] by phil53 Apr 10, 2009 (6:33 pm)
Replying to: rsholland (Jun 15, 2007 2:53 pm) I wonder how the mileage will compare to the hybrid? The torque is obviously higher. And I suspect it will not have that lower air dam that restricts activity off-road. But, where I live, diesel is about 15 cents/gallon more expensive than regular gas. 25% better mileage should put it in the 15 - 21 mpg range.

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