Good info to know. Thanks...Originally Posted by arveetek
As I recall, this Blazer had/has an aftermarket chip. I know when I sold it that both a Kennedy and a Heath chip went with it. I don't know which is installed now. Whichever it was, that chip was in it when it was pushed to a point of melted pistons. The melted piston was the driver's fault, not necessarily the chip's, though some could argue that the leaking injector may have played a role.
As I've explained before, the injectors were loose in a parts box when I re-acquired the Blazer. I had scraped a small patch of melted aluminum off the nozzle of what I believe may have been the original #8's injector (because the melted piston was in the #8 hole). The now clean injector looked like all of the others at the time of re-installation. So, it would have been shear luck to have installed the original #8 injector in the #8 spot.
By the way, there were a couple of other pistons that suffered heat damage. The one shown here in this thread was the worst by quite a ways.
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