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Author Topic: Dually to single conversion  (Read 4591 times)

Offline RAGINRAM

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Dually to single conversion
« on: December 03, 2009, 07:14:49 pm »
So I was searching around and was thinking of converting my dually to a single wheel just for the looks well and the fack Id be hauling less weight there for creating more power and less drag.  This should be as easy as taking off the fenders putting on some flares and removing the adapter plate and getting a new set of wheels and tires or just wheels actually and possibly finding someone who wants to swap parts.  Just pondering though.  Also I was possibly thinking about changing my rear end gears from 4:10 to somthing a little more fuel friendly. ::?:
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Offline Kilch123

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Re: Dually to single conversion
« Reply #1 on: December 03, 2009, 07:28:13 pm »
If you do that, I may be interested in the "take off" parts...

I do know that you will be plugging a bunch of holes in the fenders, and you'll need a different fuel filler hose (maybe be able to fab one from what you have)

I think the axles are actually different (the dually axle is wider) but I'm not sure on that one

3.55 gears will definitely get better mileage, but changing will throw off your shift points and speedo
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Offline Buford445

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Re: Dually to single conversion
« Reply #2 on: December 03, 2009, 07:30:56 pm »
I have read that under the rear fenders that the bode has bigger wheelwells, that it is easier to swap beds, and I think that the rear axle is narrower or wider on the dually


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Offline mayfair

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Re: Dually to single conversion
« Reply #3 on: December 03, 2009, 07:38:43 pm »
Hmmmmm ... :scratch:

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Offline RAGINRAM

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Re: Dually to single conversion
« Reply #4 on: December 03, 2009, 07:39:27 pm »
Ill have to look into the axle width, I read a forum where it said the axle is the same width I guess it will take a little extra researching, Im not set on doing this yet just pondering and would be real easy if there was someone who wanted to swap gear all six wheels for four and I think I could cover up the holes with some fender flares I like them anyways
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Offline kenz

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Re: Dually to single conversion
« Reply #5 on: December 04, 2009, 01:25:11 am »
From what I've read the 14 bolt axle is the same width weather SRW or DRW. But the brakes/hubs are thicker so you would have to swap to the SRW brake/hub. The Dana 70HD dually axle is supposed to be alot wider than the SRW axle, but never seen one so don't know. For the front I believe you can just remove the hub extension. Would also need 4 new wheels. When you remove the dually fenders the wheel well is cut WAY bigger than normal and is pre-drilled for the mounting bolts. Take alot of body work to still use the box. Most recommend replacing the box with a standard long box, like from a utility box/converter company. Switching to a 3:55 gear would be excellent for daily driving, just remember with the swap to SRW and gear swap, tow capacity will drop and weight carrying capacity will drop also.


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Offline RAGINRAM

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Re: Dually to single conversion
« Reply #6 on: December 04, 2009, 01:47:02 am »
 :argh: too many choices ya know, do you think it would be worth converting, or should I just change gears? Its not that I dont like the DRW just thinking of mileage. and I might want to put a small lift on it and a lift on a DRW is going to be a little more costly
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Offline Kilch123

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Re: Dually to single conversion
« Reply #7 on: December 04, 2009, 03:58:39 am »
I'm kinda biased, but I'd leave it DRW

With the mods in my sig, and driving it hard all the time (mix of city and highway) I get about 195 MPG with the 3.55 gears and a 5 speed manual trans

Switching to Single is not gonna make much difference mileage wise (it'll probably take 10 years to make up for the cost of the swap)
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Offline spencea15

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Re: Dually to single conversion
« Reply #8 on: December 04, 2009, 04:23:54 am »
Tom You get 195 mpg, that is great you most be able to go like 3000 between fill ups
I'm kinda biased, but I'd leave it DRW

With the mods in my sig, and driving it hard all the time (mix of city and highway) I get about 195 MPG with the 3.55 gears and a 5 speed manual trans

Switching to Single is not gonna make much difference mileage wise (it'll probably take 10 years to make up for the cost of the swap)
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Offline Kilch123

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Re: Dually to single conversion
« Reply #9 on: December 04, 2009, 04:26:10 am »
oops - missed a decimal point

Thanks!

That's 19.5
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Offline ChinookFE

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Re: Dually to single conversion
« Reply #10 on: December 04, 2009, 09:20:12 am »
I would just swap gears....I don't see the point in doing all that work and spending all that money to save a couple bucks at the pump.  Dodge already makes a longbed SRW truck, I would just sell the dually and buy one of them if you really want it.  Why waste all the time and effort to make something that is already mass produced.



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Offline RAGINRAM

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Re: Dually to single conversion
« Reply #11 on: December 04, 2009, 11:57:24 am »
Yeah I might just increase tire size to offset the gears
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Offline FroneDaddy

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Re: Dually to single conversion
« Reply #12 on: December 04, 2009, 02:27:10 pm »
You're gonna lose mileage with bigger tires.
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Offline RAGINRAM

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Re: Dually to single conversion
« Reply #13 on: December 04, 2009, 02:41:34 pm »
Well I was just thinking it would lower the rpms at higher speeds I had a 96 with 38 s on it that made a huge difference at higher speeds 
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Offline FroneDaddy

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Re: Dually to single conversion
« Reply #14 on: December 04, 2009, 03:42:31 pm »
Yes it will lower rpm's, however you are increasing your rolling resistance by making more contact with the pavement.

I can't explain the technical aspect of it that well, maybe someone will chime in and be able to explain it better.
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