Both sets of converters were designed for aftermarket certifications using the Ford F250 6.2L truck and 11,000 lbs GVWR. All substrates were wash-coated with equal wash-coat density and the same precious metal loading.
- Back pressure of the ceramic substrates (in a converter) is twice the back pressure of the metal substrate at 100 ft3/minute flow rate.
- The metal substrate has 27% more substrate volume than the ceramic substrate.
- The diameters are 4.67” for the metal and 3.67” for the ceramic substrates.
Metal substrate 4.67” dia. x 3.94” long, 250 HB pattern, 67.48 in3 volume
Ceramic substrate 3.67” dia. X 5.0” long, 400/6.5, 52.58 in3 volume