> > It joins the transfer case via an expensive adaptor that
> > Timm Cooper has
> > invented.
Almost sounds like brain surgery!
> More, or less than $1000?
>
> Thanks - Bryan (need to adapt a sm465 to a SIIa xfer case)
Valdez has a T-18 that I have adapted to a rover t case, and I have had good
success with it. The process involves cutting, machining and rewelding the
output shaft, grafting on a rover end to the american transmission shaft.
The shaft is then case hardened (if is so desired - I didn't bother) and the
adapter is nothing but a 3/4" plate of aluminum machined as a bearing
retainer on one side, with the american tranny bolt pattern recessed into it
and the rover stud pattern on the other side. You end up with a shorter
driveline than a stock series, as the tranny case is very short on these,
and usually end up with a 6ish to 1st gear, which is wondrous off-road. The
low first is also exceptional when running 3.54s in a city setting, where
you sometimes need a granny gear to get moving without riding the clutch.
Concerns I had about durability are a thing of the past as I have beaten the
package thoroughly behind a 300 I6 Ford and have never had a failure related
to the shaft. I would not hesitate to place a lifetime guarantee on this
part, behind any engine that fits in a Land-Rover. The plate DID come off
the tranny once, but that was due to using poor quality bolts that stretched
prematurely. Grade 8 fixed this problem for good.
The process is basically the same for an NP435, SM 420, SM 465 or T-19.
These trannies, coupled to an ashcroft or rangie diffs, make repowering a
Land-Rover a definite possibility, and, next to an NV4500, are your best bet
for an indestructible tranny. The other nice thing is that they are very
common and extremely cheap. The conversion does require EXCEPTIONAL welding
abilities (I don't touch the welding, professional welder does that part of
the job) and some machine tools that aren't usually found in ones' garage.
I hate to use the LRO list for the purpose of personal gain, but I if anyone
is interested in getting one of these built, contact me off-list. This is
the sort of thing I enjoy and I'd be happy to provide these at a very
competitive price.
J-L
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