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Car Forum / Ford / Ford Trucks / January 2007

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Converting a dually to a SRW

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Big Al - 23 Jan 2007 05:27 GMT
What has to be done to the front hubs. It's a 2WD, 95 F350.

Al
Ford Tech - 23 Jan 2007 12:52 GMT
> What has to be done to the front hubs. It's a 2WD, 95 F350.
>
> Al

You have to change the front spindles out for the ones on the 2WD, as well
as possibly changing out the front calipers with the 2WD SRW. This is where
the SRW and DRW differ. The DRW has bigger brakes, and a bigger rotor due to
increased payload and pulling ability. Might I inquire as to why you would
want to change back to a SRW? The DRW offers better stability when pulling,
and increased payload capacity in the bed.  I am not goin to put you down
here, but to me I would seriously be asking myself "What benefits are there
of doing this?".

Ford Tech
Jeff Strickland - 23 Jan 2007 18:18 GMT
>> What has to be done to the front hubs. It's a 2WD, 95 F350.
>>
[quoted text clipped - 10 lines]
>
> Ford Tech

I am wondering the same thing, what is the advantage of converting a dually
to a single?

It seems easier and cheaper to me to sell the dually and buy a new truck.
(where "new" means another, not brand spanking new."
SnoMan - 23 Jan 2007 21:43 GMT
>>> What has to be done to the front hubs. It's a 2WD, 95 F350.
>>>
[quoted text clipped - 16 lines]
>It seems easier and cheaper to me to sell the dually and buy a new truck.
>(where "new" means another, not brand spanking new."

You logic is sound but to some people a truck is like a old worn pair
of shoes that fit just right or a chair that sits nice but looks bad.
You may want to change the look of them but still want the same fit
and feel. If he wants to convert it, it is his call because it is his
truck and that said whether you or I think it is wise does not matter
because we are not living with it. Nothing wrong with asking about the
feasabilty of it. Though I have never done it to that model ford I
have seen it done to other trucks and usually it is mostly a hub
change up front and that with brake change in rear or a bit more
(depending on axle design you are dealing with and with a brake chage
you may have to change master cylinder too)  
-----------------
TheSnoMan.com
Jeff Strickland - 23 Jan 2007 21:53 GMT
>>>> What has to be done to the front hubs. It's a 2WD, 95 F350.
>>>>
[quoted text clipped - 31 lines]
> (depending on axle design you are dealing with and with a brake chage
> you may have to change master cylinder too)

What's the purpose of such a change though?

A dually has greater load capacity, so the "improvement" there seems to be a
giant leap backwards.

I get the whole, "old pair of shoes" thing, but a huge part of my shoe
selection is the work I intend to put them to. Sometimes I need a new pair
of shoes because dancing in my steel-toe boots is a bit awkward. Stripping
the steel toes out of my boots makes them useless for the other job I want
them to do, and it makes for crappy dancing shoes too.

Surely there can be a reason to convert a dually downward to a single. I
just don't know what the reason is, and want to understand. It makes more
sense to me to get another truck and deal with the change.

> -----------------
> TheSnoMan.com
SnoMan - 24 Jan 2007 02:48 GMT
>What's the purpose of such a change though?
>
>A dually has greater load capacity, so the "improvement" there seems to be a
>giant leap backwards.

I question that because they share same basic frame and axle design. I
have a 1 ton K3500 SRW (sorry it is not a ford as I could not touch
one for the price I paided then new) and I have carried some very
seriuos loads in it with no issues at all. I use it to plow snow and
one time I had 4100 lbs of salt on it and plow and would guess my
weight than at around 10.5 to 11K. I have never wished it was a
duallie in 7 years and thankfull it is not in tight places. You either
like dualies or hate them and while they have some application a SRW
with propruuuuuuuunsion and 265R16 10 plys can safely acarry over 7000
lbs on rear axle without exceeding tire capacity. Now if they would
make a dualie P/U with a narrower rear axle like on a stack bed I
might bite but I do not like to live with the wide rear axle behind me
all the time. To each there own.
-----------------
TheSnoMan.com
Jeff Strickland - 24 Jan 2007 18:38 GMT
>>What's the purpose of such a change though?
>>
[quoted text clipped - 17 lines]
> -----------------
> TheSnoMan.com

You're missing my question.

I get the whole thing about not liking the wide axle all of the time. My
question is about the cost/benefit of changing a dually to a single. It
seems easier and more cost effective to simply sell the dually and buy a new
truck with the proceeds.

If the dually is worth $10,000 and a year or two newer 1-ton with a standard
axle costs $12,000, and the conversion of the dually costs a grand plus time
to do the job yourself, or $2000 to pay for the job, then it seems to me
that trading the old truck that has a feature one does not like to get a new
truck with a feature he prefers would be the smart thing to do. (I just
pulled a few random numbers out of my a.s, I have no idea what the costs are
but I need to paint a picture, apparently, so that the question is framed in
such a way that an answer can be formualted.)

I can't really argue the point that one truck is better than the other,
clearly there are personal preferences here that play nearly an equal role
in truck selection as the physical qualities of the trucks themselves.
Personally, If I was going to get a truck in this class, I'd be using it
primarily for camping and my inclination (without full research) would be to
get the dually so that I could get the biggest possible camper to put on it,
and connect a trailer that could carry my Jeep. So, my personal preference
seems to point me to the dually, but the dually has serious baggage -- its
width -- that one has to weigh against the perceived benefits. My perception
is that with a tall load, like a camper, the wider axle would provide a
level of stability that might not be present in the single.

It occurs to me that the OP doesn't like the width of his truck, therfore he
wants to convert it. Fine. I am not asking him to justify why he likes the
narrower truck, I'm asking why he thinks it is feasable to convert his
exisiting truck instead of selling it and buying a new truck that fits his
needs. Not only does he have issues relative to both the front and rear
axles, it seems to me that he has a bit of body work to deal with too
because the rear fenders on the dually are remarkably different than on the
standard axle. Yes, one can drive around with the empty fenders sticking
out, but from my perspective, that would defeat the purpose of the
conversion.

It just seems to me that the cost here for the conversion that is under
consideration is not balanced by benefits. That is, it seems that the
benefit can be attained with less headache and greater future value if the
benefit is acheived through a sale of the undesirable vehicle to create the
cash to get the more desirable one.
SnoMan - 24 Jan 2007 19:20 GMT
>>>What's the purpose of such a change though?
>>>
[quoted text clipped - 33 lines]
>but I need to paint a picture, apparently, so that the question is framed in
>such a way that an answer can be formualted.)

If you farmed it out I agree it would not be very cost effective but
if you like to tinker and do it for the sake of doing it is quite
feasable. Stranger mods have been done and I have seen more than one
GM Suburban with dualies on the rear that was done nicely and looked
stock. (makes you wonder why GM never tried to "float the boat" too.)

>I can't really argue the point that one truck is better than the other,
>clearly there are personal preferences here that play nearly an equal role
[quoted text clipped - 7 lines]
>is that with a tall load, like a camper, the wider axle would provide a
>level of stability that might not be present in the single.

A dualie can have a edge with a heavy 5th wheel but so would a single
wide based tire and rim as I see BP fuel tank semi running here now
for a few years (no duals on any axles) A single tire has less rolling
resistance when you are spliting hairs in a MPG game and less tire
scrubbing in turns because duals take different paths in turn and take
turns skidding a bit.  One clear advange with dual is if you get a
blow out, you rarely have both tires fail at once but modern tires do
not fail much if rated for load and carying proper pressure too.

>It occurs to me that the OP doesn't like the width of his truck, therfore he
>wants to convert it. Fine. I am not asking him to justify why he likes the
[quoted text clipped - 6 lines]
>out, but from my perspective, that would defeat the purpose of the
>conversion.

You make some good points. A bed change would be in order.

>It just seems to me that the cost here for the conversion that is under
>consideration is not balanced by benefits. That is, it seems that the
>benefit can be attained with less headache and greater future value if the
>benefit is acheived through a sale of the undesirable vehicle to create the
>cash to get the more desirable one.

Another good point unless you are like me and you keep them until they
are flat worn out.
-----------------
TheSnoMan.com
Jeff Strickland - 24 Jan 2007 20:48 GMT
>>It just seems to me that the cost here for the conversion that is under
>>consideration is not balanced by benefits. That is, it seems that the
[quoted text clipped - 6 lines]
> are flat worn out.
> -----------------

I also keep 'em until they're worn out, or until I have no use for them.
This particular discussion would indicate that the use has gone away, and
another use is at hand. I'd change to a new truck, not change the truck so
it is new. My instinct is that the value just isn't there to justify this
modification.

I've not see the justification yet for this. I am not dissing the OP, I just
do not think I've seen the justification yet.
 
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