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Old 04-03-2012, 07:26 PM   #1
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Engine power

We purchased a 97 HR 35ft with 454 Chev 2 years ago. Now that we know we love traveling this way we are considering going up 7 or 8 model years. Since we will travel a lot in the West, that's where our kids are, I feel we could use a bit more power. Newer gas RVs have V10s and 8.1s. Are they significantly more powerful given that the units also weigh more with slides and all. Coming back to Wisconsin from Gulf Shores today a Winnebago accelerated past me rather guickly, towing a heavier car than I was. If I were to keep what I have is the Banks conversion that significant. It would be nice if I didn't have to take it out of cruise every time I came to an overpass. Just a slight exaggeration.

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Old 04-03-2012, 08:04 PM   #2
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Drive a Diesel and then see what has more power, no comparison. If you want power buy a DP. JMHO for all it's worth.

2002 Newmar Dutch Star DP3569 330 CAT - Toad Jeep Liberty, DW is the Nagivator. Work to travel and everything revolves around the price of diesel.
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Old 04-03-2012, 08:12 PM   #3
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We did what you are thinking two yrs ago. Our Dolphin has the 8.1. Big power diff from the 454. Installed the Banks system and not sorry at all. Lots of torque pulling a 4500 lb. Explorer. our rig is 36 ft. W/ 2 slides
Alleyman; 2004 Dolphin 5355; Banks Power Pack, Ottominder; 405 Watts Solar, 2010 Explorer XLT Toad. four month boondockers!
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Old 04-05-2012, 11:52 AM   #4
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Big decision = gas vs diesel. We chose to stay with gas due to the high cost of diesel & maintenance. Having said that we do not have a heavy toad nor do we travel extensively. We have been very pleased with our 32' class A on a 2011 Ford F53 chassis. The newer V-10's (2005 & later 3 valve) with the TorqueShift transmission perform much better then the earlier V-10's with the 4R100 trans.

Our 2001 30' class C without a toad averaged 8.7 mpg & weighs ~14000#. The new class A averages 8.5 mpg also without toad & weighs ~20000#

Granted the diesel is more fuel efficient; but the increased weight of a diesel vs. gas coach increases fuel consumption enuf to largely offset the diesel efficiency. With the higher cost of diesel the $/mi is about the same with all things considered.
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Old 04-05-2012, 12:48 PM   #5
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A lot would depend on how large of a mh you want. If you want a larger more luxurious mh then it is going to weigh much more and require a diesel to push it. There is a big limit to how heavy a gasoline powered MH can be. You say that it is more money to maintain a diesel. I can bet you that when you gasoline motor is worn out and requires rebuilding that my diesel is still going strong. Same goes for the Allison transmission. If you are going to keep the mh for a long time and put many miles on it then you also have to take that into consideration.
Mike Canter
"Gunner" USN Retired, Airdale
2004 Monaco Signature 44' Conquest. Detroit 60
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