i sold all three of my inline engines to a fellow board member at a stupidly cheap price, so i am no longer running one.
i decided i wanted fuel injection, reliability, gas mileage...and to ditch my 3 speed. so i picked up two extra cylinders, ditched the carb, and doubled the gears in my tranny

(LS1 + T56 swap going on)
can't answer your question about the stuff you're asking - but I'm guessing someone in here can. if you don't have luck in here, try posting in the engine/drivetrain forum with a specific title - lots of guys stop in there and know their stuff!
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If I've got anything up for grabs, it'll be here: 7-hole gauge cluster for a 67-72 p/u FREE (
link)
I can't check the forum daily. If I don't reply to you within 24 hours,
drop me a PM! I'm (hopefully) still alive and will reply faster to a PM.