quote:
Originally posted by RealWing:
This is my Amsoil SDF20 filter!!! Amsoil advertizes 94% Efficiency based on SAE HS806 test.7 inlet holes at 0.250" diameter. Can thickness 0.014"
Black nitrile anti drainback valve. 43 pleats. Pleat depth is 0.525" Cartridge height is 2.1"
Internal view. Bypass valve at top. Many flow holes in the inner support.
This is the bypass relief valve. It has a metal-to-metal seal. It does leak a small amount.