I have similar set up (same trans, just a 502 with MPFI instead, I'm also having problems with a PCM from '85. I'm curious to see how this'll be solved.
Best of luck!

Not sure if this is of any help. For the oil filter itself. I'd go to one of these sites as they seem to have the one you need in stock:
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I finally managed to upload the photos. This is the casing of my on-board computer. How can I figure out if this box controls the transmission. Will I have to try and follow the wires or is there a...

You suggested a Dynamic EFI, could this EFI control the transmission and other electronics as well as the injection/supercharger? If not, is it possible to get two different computers that would work...

This particular Silverado is a 3500 and presumably comes with a 4L80E (Thus I assume it's computer-controlled).
I don't have a diagnostic tool/ the right wires and hardware to connect to my...

Greetings to you all!
I've recently become the proud owner of a '93 Silverado pick-up truck. She has a 502 in there and an Accel supercharger, for the most part this is all good news. The problem...

Thanks!

Good afternoon to you all,
I was just referred to you guys from another forum (GMT400). The reason I joined is because I have some questions regarding an older EFI/DFI. Surprise, surprise! 'Right?'....