From: uniquemachine@cybcon.com
Date: Mon Jul 12 2004 - 13:22:20 PDT
why not use one of the 9 or 10 speed gear boxes? I remember
looking at them a while back. Not the unit with the 2 speed axle.
Jon
On 12 Jul 2004, at 12:01, Robert Ternes wrote:
> Alex,
>
> BTW, .85 is what Boyce has as well:
> http://www.boyceequipment.com/tranies.html
>
> My customer database at work is still dead in the
> water this morning, so here's my thoughts on the deuce
> repower.
>
> I have been looking long and hard at a repower on the
> M35a2. I love the vehicle, the bed, the axles and xfer
> case, the bed, the cab, everything about the vehicle
> except for the lumbering Shrek under the hood and his
> 6 sick inline squirrels. 134 HP is KILLING me. And
> yes, I should have listened to the advice and just
> purchased a civvy truck, but man oh man, the deuce was
> just too cool to pass up, although if I can't make it
> go faster (especially up hills), then it's impossible
> for me to justify keeping it. From what people have
> told me, the 5 ton mods to the engine won't glean
> enough power and will reduce the longevity of the
> engine. When I look at my sunk cost, the resale value,
> and the additional cost of a repower as well as the
> cost of a comparable haul rig already equipped, I can
> just BARELY justify the premium cost imposed by a
> repower in light of alternatives.
>
> Especially after seeing Tom "Fastest's" Millenium REO,
> the wheels started spinning. Alot of people are
> scratching their heads on that buildup, but for me,
> it's a buildup at its finest. I've been building what
> you could basically call vehicular chimeras (very
> hybridized creations) for maybe 8 years now, and his
> build is really clean and you can tell he put some
> time and care into it. The frame off resto he did is
> pretty hardcore and speaks more to the mil resto
> crowd, but I see the utility in his drivetrain mods,
> and fits my bill perfectly for an on/offroad haul
> vehicle with my other vehicles in mind. Of course,
> practicality is in the eye of the beholder, but the
> idea is there. :)
>
> Tom (I hope the secrets of his buildup are no secret)
> used a Caterpillar 3208 mated to a spicer 6052 tranny.
> As much as I like the 3208 on paper for flatland duty,
> I live at altitude, and will be taking my deuce over
> 10k ft regularly, and so I really wanted a Turbo
> engine over a NA model. I've been looking at the IH
> DT-466 as a really solid replacement for the Herc mill
> under the hood. Here are some spec sheets for the NEW
> 466, which is an evolved species of the old mechanical
> version but still the same species:
>
> http://www.internationaldelivers.com/assets/pdf/466_570_Bro_SINGLE.pdf?src=1
>
> http://www.goodmantruck.com/My%20Zips/dt466dt530brochure.pdf
>
> So, work out the engine and shoot for 210-225,250 HP
> whatever. With the expansive real estate under the
> deuce hood, it should be no big deal to shoehorn a big
> mill under there with the appropriate exhaust and body
> mods. From my research, both the C3208 and the DT466
> have an SAE nš2 bellhousing bolt pattern.
>
> Now, on the option of the tranny, Tom used a Spicer
> 6052 with a gear swap to get the ultra high OD (very
> low, numerically). I independantly got suggested the
> Spicer 6-thou-series trannies by a friend who does
> tranny salvage, although he suggested another actual
> model (one that has a low gear stock). After calling
> him back about swapping the gears on the 6052 (which
> seems to be a very prevalent gearbox), the same friend
> also mentioned that it would be relatively easy (well,
> for a total motorhead like me) to swap the 5th gear to
> a low, low .69 (same as Tom did).
>
> I've since found the "suffix" list for the gearing on
> the different models of the 6052 gearboxes, and since
> we'll be swapping the 5th out, I looked for the suffix
> with the highest ratio 4th gear:
>
> A RATIO
> 1ST-7.28,2ND-4.09,3RD-2.41,4TH-1.44,5TH-1.00,REV-7.28
> B RATIO
> 1ST-7.28,2ND-4.38,3RD-2.71,4TH-1.61,5TH-1.00,REV-7.28
> C RATIO
> 1ST-6.68,2ND-3.52,3RD-1.97,4TH-1.17,5TH-1.00,REV-6.68
> D RATIO
> 1ST-7.28,2ND-4.09,3RD-2.28,4TH-1.28,5TH-1.00,REV-7.28
>
> It looks like the 6052C is going to be the best donor.
> Just this very morning, I was quoted $900 for a good
> used takeout for one of these, which did originally
> come behind a 3208.
>
> Welp, I just got word that the server motherboard is
> back up, so I'll leave you with this. Hopefully it's
> good enough information. For reference, I am also
> considering power steering (maybe with a stronger
> draglink, though!), and as Tom did, upgraded brakes.
> I've added both on light ton vehicles, but these
> medium duty beasts are a new ball of wax.
>
> By the way, anyone want to buy a late 80's Herc turbo
> Multifuel and the matching tranny? I'm dead serious.
> If I could get a resale offer on this, it would really
> speed up the process. I mean, the process of me
> wasting more money on a bodge up that I still need to
> find a way to put a stereo in. :)
>
> Ok, haven't sent this yet, but some final thoughts:
> I've done some quick back of the envelope calcs for
> the repower, and if the .85 ratio is correct as the
> final drive ratio for the stock deuce 5th gear, then
> with a .69 OD, you have a theoretical top speed of
> 73mph at 2600rpm (and a whole lot more oomph on
> hills). Do a 42" wheel mod (either 11r20 or more like
> 9- or 10r22.5), and you jump up to a theoretical top
> speed of 80mph! :) That's as compelling as fabricating
> an internal cab rollcage for the deuce out of
> 1.75x.180 and laying on enough dynamat to muffle the
> sound of a bomb blast. :)
>
> Finally, I hauled a whole bunch of tire jobs to the
> tire store on Saturday for me and some friends.
> There's something about a rig you can put over 15 35"+
> offroad tires in the bed of. :)
>
> Cheers
> Bob Ternes
> Currently recampaigning for Neighbor of the Year,
> Boulder CO
> 1968 M35A2
>
> --- Alex <alex@glx.net> wrote:
> >
> >
> > Bjorn,
> > OK... I'm a little confused... I looked in the
> > manual you referenced
> > below and it had the numbers you posted... (thanks
> > for citing the
> > reference). BUT the site,
> > http://www.garbee.net/~cabell/transmission.htm, and
> > some other folks
> > that replied had these numbers
> >
> > 6.00, 3.31, 1.89, 1.00, .85, and 5.90 (reverse)
> >
> > Any idea's why the discrepancy?
> >
> > OK... why do I even ask these questions... I'm sure
> > this will generate
> > some discussions. If, the engine and/or transmission
> > in the truck I'll
> > be bringing home (yes, I'm having it towed by the
> > pros)is/are toast, I'm
> > considering (just considering at this time for you
> > purists)a possible
> > heart/lung (engine/transmission) transplant. So if I
> > could find the
> > right donor (200hp, (or better) 300 ft-lb (or
> > better), 2600-3000rpm
> > engine/transmission (possibly automatic?).... ??? Am
> > thinking too far
> > outside the box?? So, why, again am I considering
> > this? I know there'll
> > be issues with the air system, etc. But won't it be
> > more docile, easier
> > to drive, easier to start in COLD weather
> > (Nebraska), and more
> > maintainable?
> >
> > Alex
> > PS The thing has one of those air assist power
> > steering units on it. I
> > told my wife, but it didn't seem to make her any
> > happier.
> >
> > PPS all of this is academic if my wife makes me sell
> > it.... :(
> > Since I did buy it without her permission. :((
> > Aren't the online
> > auctions great. You can get into trouble without
> > even leaving your
> > office!
> >
> >
> >
> >
> > -----Original Message-----
> > From: Military Vehicles Mailing List
> > [mailto:mil-veh@mil-veh.org] On
> > Behalf Of Bjorn Brandstedt
> > Sent: Sunday, July 11, 2004 11:38 AM
> > To: Military Vehicles Mailing List
> > Subject: Re: [MV] An off the wall question...
> > Transmission gear ratios
> > for M35A2
> >
> > FYI:
> > If you like, you can download the transmission
> > manual from the logsa
> > site
> > (TM 9-2520-246-34).
> > The ratios for Spicer 3053A are shown on page 44,
> > 5.02,2.78,1.62, 1 and
> > 0.79.
> > Bjorn
> >
> >
> > >From: "Alex" <alex@glx.net>
> > >To: "Military Vehicles Mailing List"
> > <mil-veh@mil-veh.org>
> > >Subject: Re: [MV] An off the wall question...
> > Transmission gear ratios
> > for
> > >M35A2
> > >Date: Sun, 11 Jul 2004 02:25:27 -0500
> > >
> > >Wait... I just found a reference that says the
> > transmission is a Spicer
> > >3053A. This link gives the ratios...
> > >http://www.garbee.net/~cabell/transmission.htm
> > >is this information correct?
> > >
> > >Alex
> > >
> > >-----Original Message-----
> > >From: Military Vehicles Mailing List
> > [mailto:mil-veh@mil-veh.org] On
> > >Behalf Of Alex
> > >Sent: Sunday, July 11, 2004 2:09 AM
> > >To: Military Vehicles Mailing List
> > >Subject: [MV] An off the wall question...
> > Transmission gear ratios for
> > >M35A2
> > >
> > >Does anyone have the ratios for the M35A2
> > transmission? If so, where
> > the
> > >heck did you ever find them?
> > >Thanks,
> > >Alex
> > >
> > >
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