05-22-2007, 03:13 PM
.RJ Wrote:ScottyB Wrote:i figure if his plugs are white he's getting up there in lean-ness though
Hard to say... I can read a plug, but I have no idea how that correlates to a/f ratios.
When your side electrode is white with ash, that's fucking lean. Oh and when you turn the insulator brownish, that really fucking lean. When it's crusty brown (not wet) that's rich.