Quote:
Originally Posted by DeadheadNM
Thanks. I've been able to scrounge the parts but need to have the diverter valve rebuilt.
No 3/4t trucks had AIR - I believe these were emissions exempt.
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I bought a ‘70 C-20 in January of 1970. It was a 307cu in and 3 speed manual trans. Not sure where it was built but I bought in Wheaton Illinois. It had the air pump on it. Was pretty common in those days to just take the belt off the pump. I accidentally hooked a radiator hose to the pump during a valve job... left a white smoke screen behind it like I was running moonshine. You don’t forget that experience.