Steve, I have one brand new mounted (just hanging on the studs) to a ported cylinder head sitting on a cylinder head stand. What do you want to know? Jim Furdyn 1983 UrQuattro #170 1987 4000cs Q 1987 Euro 200/5000cs TQ 283,000 miles 1996 A6 Quattro Avant 1987 Mercedes Benz Truck model 1219