so some updates.
Truck as been running well, but lot's of black soot out of the exhaust on driveway.
I pulled the 73 jets and installed 72. I also put in some clean plugs to keep track of how they look. I can't imagine one size down is enough... but I'll just drive it an see. Long term plan is to install an O2 gauge, but this will tell me something for now at least.
Anyone running a 2" tach? they are either cheap garbage or really expensive... nothing in between.
