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  1. patracy

    Intake/exhaust port CFM flow? Porting the heads? Tech babble.

    Can you site one that doesn't have a positive displacement system? Because I'm not able to understand how it could work due to the port design. Edit, would you happen to know the emergency cut off for a run away detroit? It's not fuel. It's actually a spring loaded door that causes the...
  2. patracy

    Intake/exhaust port CFM flow? Porting the heads? Tech babble.

    Not exactly. The "supercharger" isn't actually a supercharger. But rather a positive displacement air pump. It wouldn't be able to draw air in due to the port construction of a two stroke. Only the turbos on 2 strokes were added for actual power.
  3. patracy

    Intake/exhaust port CFM flow? Porting the heads? Tech babble.

    Here are some pics, first of a 24v cummins piston. Next, a multi. Next a pic of the multi nozzle. Then me holding where the objectors where it belongs in a cummins to the piston. Next a close up pf deposits in the multi piston bowl. Then a guess of the injector alignment in the multi based...
  4. patracy

    Intake/exhaust port CFM flow? Porting the heads? Tech babble.

    I mentioned earlier, the injector placement I believe is in that notch area of the piston with the ports of the injector only aimed on one side. Since the tractor doesn't have this "swirl" design, it could get the multifuel pistons. But I'd suspect a piston/injector nozzle interference in the...
  5. patracy

    Intake/exhaust port CFM flow? Porting the heads? Tech babble.

    Very small image, but you'll notice in the tractor engine, there's no swirl notch in the piston bowl that is in the multifuel. So it stands to reason, and likewise with your link. The multifuel piston could go into the tractor engine. But I'd suspect issues in fitting the tractor pistons in...
  6. patracy

    Intake/exhaust port CFM flow? Porting the heads? Tech babble.

    Easiest trick in the diesel world is a thicker head gasket. But that's fractional CR reductions at best. Destroking would require custom pistons. Tractor pistons wouldn't have the proper bowl for the mutifuel heads/injectors. Probably fly cutting the piston faces or increasing the bowl...
  7. patracy

    Intake/exhaust port CFM flow? Porting the heads? Tech babble.

    Ummm, unless you have a NA LDT, your VE can exceed 100% in a forced induction system.
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