My 95 3500 Cummins is used to tow. Total rig 19,000-20,000 lbs. It has a #10 plate, Timing advanced to 15, 4" exhaust, 3000 governor springs, boost upped to 30psi, NV4500, aftermarket 13" clutch. So it needs a head gasket and trans refresh. I'm sure the injectors could use a look. What to do? clean or upgrade. Wastegate is seized so I should get that as well. Whose head gasket?
Doug