[Diy_efi] Speed Sensor

[Chris Packard]

Jim Butterfield wrote:

>some pcms can be reporgramed for this... I know I can
>adj the pcm for my 00GTP engine / trans that I have in
>my grand am...
>
>jim
>
>--- Clayton Martiniuk <wildwood at aptalaska.net> wrote:
>
>  
>
>>Looking for some help, trying to figure the best way
>>to get a vss signal to my 94 5.7. I have this motor
>>in an 86 chevy truck. The motor came out of an
>>suburban with a 4L80. I've heard of a kit that you
>>weld onto your reluctor, not sure if this the best
>>or only way.  thank you>
>>    
>>
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Check to see if your truck has a speed sensor in the back of its 
speedometer. I believe it was originally used for cruise control and 
there should be a buffer of some sort hanging off the rear of the 
speedo. I am putting a TPI ('87 Camaro/Firebird) on my '85 Suburban 5.7 
engine and  have determined there is a buffer on the speedo but I have 
no idea what the pulse rate output is. Anyone know?
Chris Packard
cpack at rcn.com