[Diy_efi] Using GM '747 to control TCC lockup only

[Terry Simpson]

I have use a kit made by TCI for 8 years in my 55 Chevy with out any 
problems. Kit is a little expensive. I modified the 700r in my 77 GMC 
Sprint by changing the 4th gear solenoid to a normal open and wire it to 
key on power for 5 years with no problems.

The AirHawk wrote:
> You'll likely have problems with the trans overheating, without some 
> modifications. I'd get it in writing, with a guarantee.
>
> -Scott
>
>
>> The guy who does my transmissions believes that TC lockup causes more 
>> problems than it is worth. He reckons that at certain loads/speed you 
>> can get a drivetrain chatter that will quickly destroy 
>> splines/bearings etc. He suggests that when I put the 4L80E in my 
>> Jeep that I disable the lockup.
>>
>> Thoughts anyone.
>>
>> Don
>
>
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