Anyone know the deal with these ? I know 71 was air metered 72 they went to solid metering. Any one know why ? Did the factory recall or replace the 71 carbs under warranty if something went wrong with them ?
Probably not all the info you are looking for, but it's a start. http://www.thermoquads.com/page203.html
You might also try sending Demon Sizzler a PM, if I'm not mistaken he rebuilds them.
I'm not aware of any recalls.
I hope the link works, I tried 3 times to copy and paste it.