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Old 02-09-2015, 11:28 AM   #11
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the chevy 6 liter was what I was using to tow my old toy hauler. it was 18k total weight along with the 8500 lbs of the truck. the Allison transmission is fantastic transmission. You could also add a chip and boost horse power and tourqe using the tow setting.

Was that gas or Duramax Diesel engine? The 6 liter referenced here is gas.
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Old 02-09-2015, 11:31 AM   #12
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Duramax would be 6.6
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Old 02-09-2015, 01:01 PM   #13
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Duramax would be 6.6


Exactly, and a Duramax is equipped with the Allison Transmission, which makes it a diesel not gas.
A gasoline to diesel comparison is not the underlying question of this thread…
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Old 02-09-2015, 02:19 PM   #14
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And the 6.0 does not come with the Allison trans only the duramax. Many people get confused by this because it's a six speed and they automatically thinks it's the Allison buts it's not. Kinda how everyone thought when GM released the 8.1 liter back in 2001 everyone thought it was the famous 502ci but it was not.
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Old 02-09-2015, 02:39 PM   #15
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And the 6.0 does not come with the Allison trans only the duramax. Many people get confused by this because it's a six speed and they automatically thinks it's the Allison buts it's not. Kinda how everyone thought when GM released the 8.1 liter back in 2001 everyone thought it was the famous 502ci but it was not.
And you could back the 8.1 with an allison.
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Old 02-09-2015, 03:11 PM   #16
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That you could.
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Old 02-09-2015, 05:04 PM   #17
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That is a gas 6 liter. drove truck for over 100k and no problems.
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Old 02-10-2015, 03:12 PM   #18
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And you could back the 8.1 with an allison.
Yep. Only other motor for th Alli.
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Old 02-10-2015, 07:10 PM   #19
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Setting aside GM’s 8.1 – Allison Transmission, which is no longer available, perhaps this article explains why Forest River is using an undersized 6.0 V8 and questionable transmission...they can't get them...being outbid by Winnebago:

Ford Boosting Motorhome Chassis Production
February 18, 2013 by RVBusiness · Leave a Comment
Ford Motor Co. is increasing Class A motorhome and commercial chassis production capacity by approximately 35% to meet renewed recreational vehicle demand in the United States. At the same time, Ford is increasing production capacity of its 6.8-liter V10 engine that powers its motorhome chassis lineup.

“We’re pleased that while other chassis manufacturers have left this segment, Ford continues its commitment to the RV upfitter industry,” said Ken Czubay, Ford vice president, U.S. Marketing, Sales and Service, in a press release. “We’re increasing our participation in this industry as motorhome customers return to the market.”

As a result, Detroit Chassis will add 34 jobs to make more chassis for motorhomes and commercial vans, while Ford Motor Co. will make more engines for the same vehicles, according to the Detroit Free Press. Privately-held Detroit Chassis partnered with Ford to supply chassis and powertrains for recreational vehicle manufacturers such as Winnebago Industries Inc. and commercial van fleets such as UPS.

Detroit Chassis is hoping to build about 14,000 chassis in the next year, up from 10,000 last year. Almost all are sold through Ford’s sales network.

The automaker announced that it is expanding a Windsor engine plant by 25% by 2014 for production of the 6.8-liter, V-10 gasoline engine. In 2012, Ford made about 61,000 of the large V-10s that are used in motorhomes and commercial vans as well as the E-Series vans, F-Series Super Duty pickups and chassis cabs, the F-650, and third parties that use the engine as a generator.

“Ford is the only one making them (Class A chassis with a gasoline engine),” said Scott Degnan, Winnebago vice president of sales. “And they can’t supply enough of them.”

Degnan said Winnebago sold 1,700 vehicles last year and could have sold almost 30% more
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Old 02-10-2015, 07:12 PM   #20
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That is a gas 6 liter. drove truck for over 100k and no problems.
200 k on my old 6.0 no issues and didn't use oil.
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