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Check the '85 FSM at the top of this section, all the carbs are pretty much identical, unless we're talking a 20R here, that should help ya.


That helped me identify parts. Thanks so much. I was adjusting the fast idle rather than the idle screw. That explains my first problem.

I've got a rough idle when the truck is hot. I have to imagine that if I can fix that my emissions test would be cake.