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  1. tangel

    1960s era GM Constant-Flow Mechanical Fuel Injection

    Thanks for the replies so far. I am in full agreement with your concerns of "ruining" a good original unit. One of my design constraints is no permanent modifications to the unit. Fortunately, the car we will be running is a '65, and these later units have a removable top from the plenum...
  2. tangel

    1960s era GM Constant-Flow Mechanical Fuel Injection

    Good afternoon all, I was curious if anyone had any notes or information on modifying the 57-65 GM/Rochester Mechanical Fuel Injection systems. Reason for my asking is I am getting involved in Vintage Racing 60's era corvettes and intend to run the systems on the race cars. I know there were a...
  3. tangel

    V8 Firing Orders

    This brings to my mind a related question - what is the purpose of the "4-7" firing order swap for Chevys that is touted by cam manufacturers to increase HP.
  4. tangel

    Percent Fuel dilution to cause viscosity loss

    Thanks for that forumla Latexman, thats precisely what I was looking for. Fabrico, this engine actually has a history of this same exact failure, once in 2003 (approx 8600 hours since complete overhaul), again in 2004 (2653 hours since complete rebuild from '03 casualty) and the engine had...
  5. tangel

    Percent Fuel dilution to cause viscosity loss

    Good morning everyone. A little background information, I am completing a failure investigation on a Caterpillar D398 diesel generator engine which wiped all the main bearings. The engine components show no damage or indication of loss of lubrication except for the main bearings. Two of the...

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