besides the 112 is to small for the 6.0...it will get too hot in the upper rpm's and start pulling timing anything over 6 psi and 6 psi aint enough

i ran a 3.1 pulley on a 5.3 and it would get up to 7.5-8 psi and would be at 160* at wot
he needs a 122 or the tvs 1900