Originally posted by boyoconnor:
Tailgate up or down? This can help, my '68 C-10 used to get 3-5 better MPG with the tailgate down.
-Boyo
Hey Boyo,
You nailed that one. Got two more mpg with the tailgate down. Up from 10 to 12. That's a 20% improvement.
I'll hafta dig into the carb and ignition situation soon.
Thanks for all the ideas.