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  1. Cummins Tech Section
    My dad bought a boat with twin 4bta3.9-m. Rated at 250hp at 3000. He had all 8 injectors tested and 6 were bad so he figured he may as well replace them all. Was able to buy four and now every diesel/injector shop he’s contacted have told him he’s out of luck and that there’s none left in the...
  2. 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...
  3. General Discussion
    I am currently thinking about pulling the engine out of my 1985 Chevy short bed truck. What would be the right sized diesel to put in there? what changes would i need to make as far as the transmission, and fuel pump/hoses? Any help would be much appreciated!
  4. Isuzu 4BD1T/2T
    Loose power at 70+ now can only do 40 mph on the flat ground. Changed filters and replaced fuel lines, Replaced priming pump. checked for air leaks in system using starter fluid. everything fine. Climbs hills at 20mph feels like badly adjusted float if it had a carb. Surges and bucks. then...
1-4 of 4 Results