Originally Posted by hammertime
Pulling the shut off out, did not blue your headers, being to rich blued your headers, when its lean they get gold. You need to find that fine line with the shutoff, keep it in all the way will indeed blue the headers and milk the oil and you'll be back to the same spot your at.
The engine was so rich, when I made the run at the track, that I gained nearly 2 gallons of methanol in the oil pan and the headers didn't dis-color at all.
When I changed from a #45 to a #80 pill and fired it in the shop, leaned out with the fuel shut off, the headers discolored.