Knock Guage - Dec 17, 2017

I am contemplating the possibility of installing a gauge trio on the dash.
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Some of these components are designed to be used on TBI applications and an ECM ...
BUT I'm thinking that if you JUST had the Spark Control Module (or Relay as they call it on an 87 Buick Regal ... which is the same application that Casper's instruction are for.)

--continued in next entry.