Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by BlazerGuy, Oct 21, 2000.
When did these start to appear on K5's? Was it 87? Thanks.
FUN WITH 31's!
Think so.......for the computer EFI to read air/fuel mixture.
<font color=black>'79 - 406 TPI -<font color=orange> K5#5 - <font color=blue>See it at--->http://www.blazzinor.coloradok5.com
I believe that 87 was the first year. It is needed to run the TBI computer.
Maybe sooner 85-86 models with the feedback carb ?
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