[AT] Dumb tractor hauler truck question

Dave Merchant nesys_com at ameritech.net
Fri Oct 8 12:40:32 PDT 2004


Tire size would also have an effect on this.

Some of use would solve this problem with some sticky tape + magic marker 
on the speedo glass....

Dave Merchant


At 08:13 AM 10/8/2004, charlie hill wrote:
>Thanks for everyone's input.  Doug I don't think you are right with 
>regards to my truck.  I don't doubt what you are saying with regards to 
>later years but not for the 89.  Here's why I believe that.
>
>When I replaced the transmission I put one out of a Z 28 Camaro in 
>it.   We changed the tail shaft and the speedometer sending unit over to 
>the one that came with the truck and it all worked fine.  It seems to me 
>that if I get the speedometer sending unit from a truck that had the 3:42 
>gear in it to begin with all should be fine again.  Maybe not?  Anyway 
>I'll do as Walt suggests and talk to the  local transmission guru.
>
>Charlie
>----- Original Message ----- From: "Doug Tallman" <dtallman at accnorwalk.com>
>To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
>Sent: Friday, October 08, 2004 12:45 AM
>Subject: Re: [AT] Dumb tractor hauler truck question
>
>
>>  NOW I need to get the speedometer to read accurately.   I
>>>know how to do that.  I just need to replace the sending unit with the
>>>corect one.  My question is where to buy the sending unit.
>>
>>Charlie, it isn't that simple. I think I read in one post that it was an
>>89?? The calibration for the speedo is in the dash. There is a diode group
>>that goes in the back of the dash and then you blow certain ones for the
>>correct calibration. Probably better to let someone that is familiar with
>>doing this handle it. You can get the programming clip at the dealer.
>>
>>
>>
>>           Doug Tallman
>>           dtallman at accnorwalk.com
>>           VGTCOA Ohio Regional Director
>>               Greenwich, OH USA
>>
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>
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Dave Merchant
kosh at nesys.com
nesys_com at ameritech.net

http://www.nesys.com
http://www.nesys.org





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