10-22-2023, 02:44 PM
The chamber the combustion chamber came out of is lined with U-channels to pick up heat from hot exhaust gas. Should be clean, very little soot and no build up of leaked coolant
Rudy Legett
2003 Foretravel U320 4010
ISM11 450 hp Allison 4000R
Factory Authorized Aqua Hot Repair Center
Southeast Texas Area