Yes, We were real humid last month. somewhere i have a point file . Will give that a try in a m . I opened the rad cap and saw foamy water, pulled the plugs and they all look nice ran a quick comp test and 125 on all cyl. no water in oil or coming out sparkplug hole. I can see the vac adv work and the cent moves freely by hand. inside dist is clean with no arc marks no shaft wobble.