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  1. H1 Hummer with Ppump 4BT—Need Timing/Tuning Help

    Performance Discussion
    Hey Guys, This is my first post but I’ve been on the site for a few years. Never had a need to type up anything because all the searching detail has gotten me 95% there with my build—thank you! Just need some timing and tuning tips to hopefully make the truck my ideal daily driver. Details...
  2. 4bd1t IP Taken apart wrong....HELP!

    Isuzu 4BD1T/2T
    I'm in a slight situation.. I put my engine at TDC... IP mark all lined up.. My plans to remove the IP to find a oil leak somewhere on the block behind it... So I had everything lined up front gear case cover off power steering pump off as well.. I left to run a errand an came back my buddy...
  3. Timing tool for Bosch VE pump of Cummins 6b-5.9 industrial

    Cummins 6BT / 5.9 Conversions
    Hello from Indonesia Currently I work on a Cummins 6B-5.9 industrial. I get difficulty on finding timing on the Bosch VE injection pump. The industrial model does not have drive key, although it retains the gap for it both on the shaft and the pump gear. In my country no one sell timing tool...
  4. M&H Timing Spacer

    General Classifieds
    Sells for $105 shipped. I am selling mine with gasket and hardware for $70 shipped. PM me...... Jason
  5. 4bt not starting.. Please Help!

    Cummins Tech Section
    I recently rebuilt a 1993 Ve-pumped, CARB 4bt out of a bread van from the bottom up. It will run when you hold a gas soaked rag to the intake, and the pump appears to be in working order since i can visibly see fuel spay out when purging air(and i have tried this with 1 injector removed, which...
  6. Engine not starting after IP servicing

    General Discussion
    Its Running again --- Engine not starting after IP servicing Well time ask the experts, or at least someone who has more experience than I with these engines…(sorry for the length, just want to describe the whole issue) Ok, so 2 months ago my engine died on me while driving to work, right in...
  7. 4D55 Ranger Tuning

    Mitsubishi Diesels
    I have a little history with a buddies Ram 50 with the 4D55 in it, and I adjusted the Full Load screw and put a full 3" exhaust on it. But... It dyno'd at 89 horse and 147ft lbs of torque. Stock turbo pushin 23lbs of boost on the gauge, it pushes 1200 degrees on the pyro, but it doesnt run very...
  8. TN Diesel Conversions

    General Discussion
    Is TN Diesel Conversions still in business? I've tried all the links (both here and in a Google Search) and they come up blank. I have a 4bt in my Defender and need a 4bt genius to get me running right. I'm in New Orleans now, but will be traveling around the Gulf for about a month, then...
  9. Engine Repairs & Stacking the Deck Against Yourself

    General Discussion
    This is only a suggestion for the newer folks with limited Cummins engine exposure and pertains to doing multiple engine repairs to a running engine and ending up with an engine that will not start. The first thing you should do is a test run of your engine immediately after your purchase...

    Cummins Tech Section
    PLEASE BOOKMARK THIS THREAD FOR FUTURE REFERENCES Dodge NV4500 hydraulic clutch line adapter fittings: <=Hose Adapters <=Into Ford