so I got the spec 2 tessman and have put about 8 tanks through it and noticed that the writing on the head,specifically where is says "ty tessman"& "B21" is peeling off like it's a sticker.i thought it was laser engraving.anyone else ever had this happen before and know of a fix.i emailed os about it but I doubt they'll send me a new cooling head but we'll see.ive just never seen this happen to any engine I've had,from cheapo LRP to novarossi or any of the speeds I own.