on that note im not sure if mine is Borg warner or saginaw one is out of 57
chevy belair other is out of a 56 belair if that helps? how do i ID it
----- Original Message -----
From: <mark@noakes.com>
To: <oletrucks@autox.team.net>
Sent: Tuesday, February 25, 2003 6:49 PM
Subject: Re: [oletrucks] Saginaw 3sp with overdrive
> It was right in the subject heading, but I didn't notice till afterwards
that you were
> dealing with the newer Saginaw transmission OD unit. I have the earlier
Borg Warner OD.
> They are supposed to be so close that some parts interchange, but I don't
know details.
>
> There are some web sites that can help with the ODs; once I started
looking at my
> notebook, I found the following:
>
> http://www.classictruckshop.com/clubs/earlyburbs/projects/how_to.htm
>
> and find two articles there, one on OD overhaul and one on wiring/control
schemes for
> the OD.
>
> Mark Noakes
>
>
>
> On Tue, 25 Feb 2003, mark@noakes.com wrote:
>
> >
> > Anyone who gets one for less than $200 has done real well, but I would
think that $600
> > would be way too high.
> >
> > The OD takes the stock 3.90 down to a 2.73, so the 3.73 would go to
2.61. I hope you
> > don't live in hill country.
> >
> > The problem with gas mileage is that it depends. Besides gearing,
vehicle weight,
> > engine size, fuel delivery system, engine condition, and driving style
play an
> important
> > part. I have an 86 Corvette, 2.73 rear end, 130K miles, 350 V8,
modified, 700R4
> > automatic OD...it gets 27 mpg on the interstate with the cruise set on
70mph (1800
> rpm);
> > I also have a 86 Chevy pickup, 2.73 rear end, 222K miles, 305 V8, stock,
3 speed lockup
> > converter auto...I feel real lucky if I can get 12 mpg out of it at any
speed...but
> when
> > it was new, it got 22 mpg on the interstate with the cruise set on 55
mph.
> >
> > I have about 100 pages worth of info that I've collected over the years
so you'd have
> > to be pretty specific as to what you might want; I have never seen too
much on the web
> > per tech details. If anyone else knows of any web sites, I'd like to
know as well.
> >
> > Mark Noakes
> >
> >
> > On Tue, 25 Feb 2003, "Jay Baker" wrote:
> >
> > >
> > > Id be interested to see any Info ya have on these that ya can email or
> > > whatever or links to sights concerning them I have two one complete
one
> > > missing OD shift solenoid (anybody have one layin around the shop)
just met
> > > a guy that said he sold one on and auction sight for $600 that was
also
> > > missing the solenoid . I plan on puting one in my 38 1/2 with slightly
> > > sooped up 235 and may put the other in one of my panels or sedan
delivery .
> > > I found a floor shifter in one of my piles of junk that may work with
one of
> > > em the other i think im gonna use stock column shift setup the biggest
> > > headache apears what to do for a clutch/brake pedal setup look like
the
> > > stock setup in a 57 PU may work but not for sure yet. want use a 3:73
Rear
> > > out of 70 Chevy pu or somethin similar so i can use my stock wheels on
the
> > > 381/2. What kinda Mileage can I expect out of a setup like this. as
Pump
> > > prices aproach $2 a gallon it gets to be a bigger concern everyday.
> > >
> > > Thx Jay Baker (Jays Classic Truck Parts)
> > > ----- Original Message -----
> > > From: <mark@noakes.com>
> > > To: <oletrucks@autox.team.net>
> > > Sent: Sunday, February 23, 2003 12:07 PM
> > > Subject: Re: [oletrucks] Saginaw 3sp with overdrive
> > >
> > >
> > > > The biggest issue is the one you mention; it doesn't work with
closed
> > > driveline and you
> > > > would have to swap (54/55 1st series parts?).
> > > >
> > > > The best part of the deal is that it will convert your 3.90 final
drive
> > > ratio to 2.73
> > > > for less stress on the engine at cruise and better mileage.
> > > >
> > > > These are not for high hp, but a stock or near stock engine should
be fine
> > > with the OD.
> > > >
> > > > A minor negative if you care about engine braking, is that the
vehicle
> > > will nearly free
> > > > wheel with the OD engaged, and you'll have to downshift more than
usual
> > > to deal with
> > > > hills.
> > > >
> > > > A minor plus is, per the orignal literature that I have, is that
it's
> > > easier to drive in
> > > > stop and go traffic...can't prove that one by me yet though.
> > > >
> > > > The original controls are a combination of mechanical, electrical,
and a
> > > governor, so
> > > > it's pretty convoluted for what it does. The relays, switches,
wiring
> > > harness, etc that
> > > > go with it are hard to come by if you want to do it totally as
original.
> > > There are also
> > > > mechanical only (solenoid is jumpered for this one) and more modern
> > > control approaches
> > > > that can also be done. I collected parts off of an auction site for
my
> > > brother to do a
> > > > stock installation on his 57 farm truck with a 235 six. For my
Suburban
> > > setup, I intend
> > > > to use the more modern switching approach whereby I'll get something
like
> > > a 6 speed out
> > > > of my 3...I say "something like" since I don't think all gears will
be
> > > useful that
> > > > way...but it will be better than a 3 speed at least.
> > > >
> > > > I have collected a pretty extensive file of original literature (and
per
> > > orginal
> > > > literature, the OD was available for the TF trucks, though the GMC
also
> > > had a high speed
> > > > rear end that would negate the need for the OD anyway) and magazine
> > > articles on stock
> > > > and modified setups; let me know if you get it.
> > > >
> > > > Mark Noakes
> > > >
> > > > On Sun, 23 Feb 2003, Ronald Smiley wrote:
> > > >
> > > > >
> > > > > Group: There is a saginaw 3spd with over drive listed
> > > > > on one of the auction sites. They are looking for a
> > > > > opening bid of two hundred for it, less than a hundred
> > > > > thousand miles. Obviously its not compatible with the
> > > > > torque tube. I would appreciate any insight into
> > > > > this. Is this a desirable addition to a 53 3100?
> > > > >
> > > > > Ron
> > > > > 53 3100
> > > > >
> > > > > __________________________________________________
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