Re: sct extreme/coolant issues
You are lifting your heads. Stretching the head bolts. Hold off on the ext tune till you get head studs. You may need to take the heads off and have them checked and put new HG's in to clean up the problem.
1999 F350 Lariat extended cab long bed dually, PSD,ported heads, studs, gen 3, 38r/1.15a/r, 300/100, and more Tuned by Matt owner of Gearhead Auto. Perf, John Woods Trans.
2006 F250 XLT 6.0
dual exhaust, egr delete, arp studs, regulated return kit, Modified Direct Clutch Solenoid, SCT Flash custom tuned by Matt, 58 volt FICM w/PHP Flash