Re: TF727

[Bob Brooks <rbrooks@domain.elided>]

If you want an auto and an extra gear, see if a trans shop can builgd you a 518
variant of the 727, to fit behind the 345 or 392.

This is the 4 speed / OD auto trans....

Bob


Chris and Ranae Procyk wrote:

> >The problem is that at 60 MPH your Scout <WM> is going too fast to
> downshift.
>
> Don't think so, according to the tables....
>
> >The 727 is a real heavy duty trans - after it was developed by Chrysler in
>
> Yes, but drag racing is a one shot thing... I wasn't at all worried about
> something just breaking in it due to pure rig weight but letting it get too
> hot or dirty fluid or something.  You know, less than perfect maintenance
> multipled by many hot towing miles.
>
> >The 727 (continuing with ancient history) was also good for pulling. . .
> >horse trailers, dump trucks. . .
>
> That's more reassuring <g>.
>
> Actually, it does work pretty darn excellent.  An earlier post about towing
> with a Traveler mentioned replacing the 727, and Howard said why?  Although
> I'm still a select-it-yourselfer (and don't like to see all that engine
> power dissipated as heat and dumped in front of my radiator), the auto does
> seem to have some strong things going for it in towing... enough to make up
> for one less gear, anyway.
>
> At a dead start, you get all that smooth torque multiplication... (I think
> this is why some rock-crawlers like autos?)  Then the other thing you get is
> a very quick 2-3 upshift, much quicker than I can get on a T18 family
> tranny.  This makes a big difference climbing hills.  You can lose a lot of
> MPH/RPMs just going from third to fourth...shift too soon or too slow, and
> you have to go back to third.  The 727 just goes "click" and it's done.
>
> I think I just have some adjustment stuff- you have to jiggle it to make
> sure it's in Park, also.  I'll try to get the more accurate manual  (what is
> a 409, anyway?) and run through it.  According to the service manual, it's
> due for fluid, filter and band adjustment, so I'll be going over the whole
> thing.  But there isn't any indication that it's going to do an "Ugly," for
> sure.
>
> I just hate to get passed on hills.
>
> In Use: 70 1210 4x4 TE, 73 1210 WM
> Project (2nd time) 67 1000B PU
> Parts: 67 1000B TA   68 1100 4x4 TA  72 1010 TA



--
Bob
rbrooks@domain.elided

Micrel, Inc.
http://www.micrelinc.com