[TR] Toyota tranny conversion TR6?

[Michael Porter]

On 6/13/2012 10:38 AM, Bob Danielson wrote:
> Wouldn't you say that the reason you don't see 40 year old Toyotas is 
> because they are exactly considered "collectibles" or 
> classics...........but the W58 tranny has always been considered 
> bullet-proof.

More recent versions may be considered bulletproof, but, the earlier 
versions of the W58 designed for passenger cars were actually installed 
in the trucks, as well, and with a known defect--the large single-row 
ball bearings supporting the mainshaft. The passenger cars rarely 
displayed a problem, but the 4-wheel drives and diesel trucks using the 
same transmission could almost be counted on to fail.  For several 
years, Toyota had an undisclosed 3-year, 60,000 mile warranty on the 
transmission bearings in those applications because they had decided it 
would be cheaper to honor repair claims than to retool for main bearings 
capable of handling more torque.  IIRC, that redesign appeared circa 1988.


Cheers.


-- 


Michael Porter
Roswell, NM


Never let anyone drive you crazy when you know it's within walking distance....