I sold the Dakota so fast I didn't have time to remove the by-pass....darn it, so I don't have one on the Tundra.
The Tundra has the Amsoil oil and filter changed at 25,000 miles.
On the Dakota, I changed the full flow at 15,000 miles until the current filter came out. The by-pass filter lasted a year or longer, but I usually only changed it when oil analysis indicated it was necessary. 100,000 miles between complete changes was usual.
I use and talk about, but don't sell Amsoil.
Who is shatto?
06 4.7 Tundra replaced a 98 Dakota 3.9.
623,000 miles on original engine and transmission, using Amsoil by-pass filters and lubrication.
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Retired Pro-Hunter featured in; 'African Hunter', by James R. Mellon III. and listed in; Rowland Ward's Records of Big Game.