I found this on power flushing, it might help a little. http://car.tips.net/Pages/T005322_What_Is_a_Power_Flush.html

I hope you find something soon before you in the same boat I'm in, rebuilding an engine that got hot.

Dennis


95 Sportage, gone but not forgotten.
98 Jeep TJ, 4" Zone springs with RC Long arms, Ford 8.8", 4.56 gears & Detroit locker rear, D30, 4.56 & Detroit Trutrack front.