I am also an Amsoil user and dealer and swear by the stuff I don't use it as much as the amsoilman and I don't have as many miles on my truck as he does, I have 47k. I use the concentrate also year round, not as much in the warmer months but pretty religously in the colder months.
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RamNProwler
Ed Council
Lake Stevens, Washington
1996 Black 2500 SLT CC, Atuo, 4. 10 LSD, Banks Power Pack, BD Torque Loc, Converter and Brake, Pyro , Boost and Trans Temp, Ultra Wheels, 28575R16 RVT Wild Country TIres, TekStyle Tonneau Cover, Lighted Sun Visor, Power Vision Mirrors, Spray in Diamond Liner, Diamond Plate Rail Caps,Amsoil throughout
LOVE THE POWER
Pull 27' Prowler TT all over Washington