forgot about this thread.

for a conclusion:
When I got this truck it didn't run... sounded wretched, knocking and the like.
I'd gotten most of the kinks out, but without a good fuel mixer it was hard to get it set perfect.

the reason one head was hotter than the other was exhaust valves.
Someone at some point did a valve job. From the keeper to the top of the valve stems was a distance of .200 on almost all the valves.
three exhaust valves on the passenger bank were a distance of .380!!!!
So aside from the angle being crazy, I'd wager the exhaust valves were being held open slightly.
due to this being a daily driver I did the sensible thing, I ground the ends down to .200
I expected the seats and valve faces would have been worn down but it runs well now with no smoke, so good enough for now.

thanks for everyones help,
Drew