[AT] ATIS Holifday Charity Auction

[charlie hill]

That is interesting in that ZF is probably the world leader in Marine (boat) 
transmissions and clutches.  There stuff is usually excellent.

Charlie
----- Original Message ----- 
From: "Steve W." <falcon at telenet.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Friday, December 03, 2004 1:25 PM
Subject: Re: Re: [AT] ATIS Holifday Charity Auction


> Yep those transmissions were German made ZF units. Marginal for use in a
> car and VERY poor for use in a truck that actually was used as a truck.
> The main reason for them was the fact that GM closed down the Saginaw
> plant and started buying manual trans from other suppliers. Now if you
> could find one of the old cast iron monsters it would bolt in without
> problem.
> Steve Williams
> Near Cooperstown NY
>
>
> ----- Original Message ----- 
> From: "Grant Brians" <gbrians at hollinet.com>
> To: "Antique tractor email discussion group"
> <at at lists.antique-tractor.com>
> Sent: Friday, December 03, 2004 10:00 AM
> Subject: Re: Re: [AT] ATIS Holifday Charity Auction
>
>
>> Actually the 1980's GM 4 speed truck tranny's are notorious for
>> self-destruction. Everyone I know locally with one had to replace it
> at
>> least once in the first 100K miles - one friend replaced his three
> times,
>> the first time under warranty! His case was not one of abuse, just
> use. The
>> reason is that sometime in the late 70's (date is hazy) GM
> "re-engineered"
>> the manual transmissions to save weight and money.... They ended up
> making
>> them too weak as a result, with the consequent explosion of repairs
> and
>> replacements. Shaft breakage, premature bearing failure and case
> cracking
>> all became common. This was one of the reasons for GM's precipitous
>> commercial track sales decline in the 80's. Additionally it cemented
> the
>> reputation of Ford for reliable light duty trucks because Ford kept
> the
>> heavy duty components in theirs.
>>     Having said all of the above, GM has returned to better Trannys
>> since....
>>         Grant Brians
>>         Hollister California
>> ----- Original Message ----- 
>> From: "Jim and Lyn Evans" <jevans at evanstoys.com>
>> To: "'Antique tractor email discussion group'"
>> <at at lists.antique-tractor.com>
>> Sent: Friday, December 03, 2004 4:04 AM
>> Subject: RE: Re: [AT] ATIS Holifday Charity Auction
>>
>>
>> > Those 4 speeds were just about bulletproof (I thought)  What did you
> tear
>> up
>> > to warrant a transmission replacement?
>> >
>> > Jim
>>
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