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11-18-2017, 10:08 PM
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#1
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Member
Join Date: Aug 2017
Location: CA
Posts: 51
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Crazy idea or has it been done
Has anyone done a swap from gas to diesel? Is it even do able? We love our motorhome and for what we paid for it cheapest diesel is $30,000 more. I have an 08 F53.
Let’ the good times roll!
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11-18-2017, 10:26 PM
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#2
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Senior Member
Foretravel Owners Club
Join Date: Apr 2016
Location: Home is Where WE PARK IT...
Posts: 6,007
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The added weight of the diesel vs the gasser would cause concern about the frame/front suspension strength and weight carrying limitations of the F53 front end.
IMHO...
__________________
Retired truckdriver,
'02 Foretravel... "This Shack will do"
being pushed by an '06 Scion xB
SKP's of Box Elder, South Dakota
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11-18-2017, 10:28 PM
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#3
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Member
Join Date: Aug 2017
Location: CA
Posts: 51
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Even with fab work? Beefing up suspension?
__________________
2008 FW Hurricane 34b
11,000 miles
Motocross racing family
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11-18-2017, 10:49 PM
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#4
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Senior Member
Foretravel Owners Club
Join Date: Apr 2016
Location: Home is Where WE PARK IT...
Posts: 6,007
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Quote:
Originally Posted by tolandbros
Even with fab work? Beefing up suspension?
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I didn't say that it couldn't be done,, just the limiting factors involved..Additional Torque and added engine weight can do some really ugly things to frames and suspensions ...not to mention "re-arranging" the bodywork.
I have done a few engine swaps... some were good (392 Hemi & punchbox auto in a '52 Nash business coupe or a small block 400cu ford in a '62 Rambler American coupe... A 289 in the backseat of a '65 VW bug..or a "real healthy" 302 & 4 speed in a Hillman wagon. not so much.
__________________
Retired truckdriver,
'02 Foretravel... "This Shack will do"
being pushed by an '06 Scion xB
SKP's of Box Elder, South Dakota
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11-18-2017, 10:54 PM
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#5
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Senior Member
Join Date: Feb 2013
Posts: 255
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I suppose if you threw enough money at it could could do anything but......you’re probably going to have to consider a transmission into the equation since you’re dealing with a lot more torque. Also, most of the diesels are an in-line 6 cylinder and are probably longer. This is just a couple of many thing you would have to consider.
__________________
Bruce & Teresa
2000 Foretravel
U320 4010
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11-18-2017, 10:58 PM
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#6
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"Formerly Diplomat Don"
Newmar Owners Club
Join Date: Apr 2005
Location: Moorpark, Ca.
Posts: 23,914
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You could probably swap your gas engine for a small 5.9 Cummins, but it wouldn't be cost effective. It would be cheaper to buy another coach.
__________________
Don & Mary
2019 Newmar Dutch Star 4018 (Freightliner)
2019 Ford Raptor
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11-18-2017, 11:00 PM
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#7
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Senior Member
Monaco Owners Club Workhorse Chassis Owner
Join Date: Aug 2006
Location: MotherLoad foothills approx.60 m.s east of Sacramento
Posts: 1,281
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A bridge across the Golden Gate was a foolish idea...until the right engineer came along. Actually most of the engine swaps Saddlesore mentioned would be beyond the skill level of many so called "professional" mechanics. I stuffed a 289 into a Suzuki Samurai....so if you have the skills....
__________________
Full time since Nov 2012 RVM#41 Gary and Marian Hill 2001 Monaco Dynasty Jack 38' 370 hp ....If it ain't broke I can still fix it.
Like putting shoes on an octopuss, so are the days of our lives....
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11-18-2017, 11:16 PM
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#8
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Member
Join Date: Aug 2017
Location: CA
Posts: 51
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I’m thinking of a $15k budget. I am Dodge Guy well Cummins.I own a 2015 Dodge Cummins. I was reading that it might be better to stick with the same manufacturer so maybe a power stroke? But if I can get a 04 or newer 5.9 I think that would be awesome! The layout and equity I have I’m willing to take a hard look at doing it. I’m not a great mechanic on auto’s but can change a top end on a dirt bike or configure suspension. I think like said prior if you have the $$ anything can be done!
__________________
2008 FW Hurricane 34b
11,000 miles
Motocross racing family
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11-18-2017, 11:17 PM
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#9
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Member
Join Date: Aug 2017
Location: CA
Posts: 51
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Quote:
Originally Posted by Dutch Star Don
You could probably swap your gas engine for a small 5.9 Cummins, but it wouldn't be cost effective. It would be cheaper to buy another coach.
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$15k I would be thrilled to put a 5.9 in. Think it can’t be done?
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11-18-2017, 11:19 PM
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#10
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Member
Join Date: Aug 2017
Location: CA
Posts: 51
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Quote:
Originally Posted by saddlesore
I didn't say that it couldn't be done,, just the limiting factors involved..Additional Torque and added engine weight can do some really ugly things to frames and suspensions ...not to mention "re-arranging" the bodywork.
I have done a few engine swaps... some were good (392 Hemi & punchbox auto in a '52 Nash business coupe or a small block 400cu ford in a '62 Rambler American coupe... A 289 in the backseat of a '65 VW bug..or a "real healthy" 302 & 4 speed in a Hillman wagon. not so much.
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My wife’s family is from Salem, my wife went to Sprague.... want to do it for me?
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11-18-2017, 11:19 PM
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#11
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Senior Member
Foretravel Owners Club
Join Date: Apr 2016
Location: Home is Where WE PARK IT...
Posts: 6,007
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Quote:
Originally Posted by adamfolger
A bridge across the Golden Gate was a foolish idea...until the right engineer came along. Actually most of the engine swaps Saddlesore mentioned would be beyond the skill level of many so called "professional" mechanics. I stuffed a 289 into a Suzuki Samurai....so if you have the skills....
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LOL...With that narrow frame and short wheelbase..bet that Bit%h was a bit "Twitchy" for highway use, off road would be another matter.
All my good to go swaps (sleepers) were for making $$ for tuition.. seek out the rich kids with a nice car daddy bought for them & $$ in their pocket and let them run their mouth until it overloaded their pocket...The VW & Hillman were for the strip... way too twitchy and unpredictable for the street or strip..
__________________
Retired truckdriver,
'02 Foretravel... "This Shack will do"
being pushed by an '06 Scion xB
SKP's of Box Elder, South Dakota
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11-18-2017, 11:32 PM
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#12
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Senior Member
Monaco Owners Club Vintage RV Owners Club
Join Date: Sep 2014
Location: anywhere U.S.A, Currently back home in Thailand!
Posts: 4,245
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Quote:
Originally Posted by saddlesore
I didn't say that it couldn't be done,, just the limiting factors involved..Additional Torque and added engine weight can do some really ugly things to frames and suspensions ...not to mention "re-arranging" the bodywork.
I have done a few engine swaps... some were good (392 Hemi & punchbox auto in a '52 Nash business coupe or a small block 400cu ford in a '62 Rambler American coupe... A 289 in the backseat of a '65 VW bug..or a "real healthy" 302 & 4 speed in a Hillman wagon. not so much.
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WOW! Always wanted to do the small block in the back seat of a bug! Never did do it though! I did put a 283 corvette motor in a 65 Chevy van, Lots of modifacations on that swap, but it was fun when done!
I had a '91' Overland built on a Oshkosh chassis that could have handled that gas to diesel swap, as it had the capacity to do so! I also think a 7.3 Ford diesel and a 460 gas are about the same size, size wise, but the 7.3 weighs a lot more, so the first thing is see if you have the capacity to handle the swap? Also you have to factor in the different transmission weight too! If you decide to do the swap, I am subscribed! Rail!
__________________
Retired, and "Always on Holiday!"
1996 Monaco Windsor 38PB, "Mona" 275 HP., 8.3 Cummins, 3060 Allison 6 speed, 2001 PT Cruiser, "Bailey"
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11-19-2017, 12:02 AM
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#13
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Member
Join Date: Aug 2017
Location: CA
Posts: 51
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Quote:
Originally Posted by guardrail53
WOW! Always wanted to do the small block in the back seat of a bug! Never did do it though! I did put a 283 corvette motor in a 65 Chevy van, Lots of modifacations on that swap, but it was fun when done!
I had a '91' Overland built on a Oshkosh chassis that could have handled that gas to diesel swap, as it had the capacity to do so! I also think a 7.3 Ford diesel and a 460 gas are about the same size, size wise, but the 7.3 weighs a lot more, so the first thing is see if you have the capacity to handle the swap? Also you have to factor in the different transmission weight too! If you decide to do the swap, I am subscribed! Rail!
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I’m going to give it the ol College try! I’m going to do some research to see what I can come up with. The f53 chassis is designed for 23,000 or 26,000? I literally just started thinking about this tonight. So haven’t really dug into it.
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11-19-2017, 12:11 AM
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#14
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Member
Join Date: Feb 2017
Posts: 63
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Just don't let anyone else near the go pedal!
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