Cummins 6BT / 5.9 Conversions
Howdy all.
My family is in possession of an old 8th generation GMC K1500 Suburban with the 6.5L V-8. (Not sure of the exact year right now, but it's pre-facelift so it's got the squinty headlights.) Trouble is, that 6.5 is showing its age - it's tired and it does NOT wanna get going in the...