>From San Diego to Nevada The Winged Warrior ran AP 25's at .040 with MSD 6AL. >From Vegas to San Diego it was AP 25's at .050. With no other tuning or adjustments, the difference was night and day. Pull those plugs and re-gap em! Dan Dan F. Courtney La Jolla, CA (858) 551-5455 Phone (858) 551-5456 Fax