Parts needed to hop-up a Cummins Big Cam

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Davo81, Feb 19, 2013.

  1. V8Lenny

    V8Lenny Road Train Member

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    I thought I don't need to mention fuel pump setting because that's where you set the power to where you want it to be, those parts just makes it possible.

    You can take stock NTC400 and with only pump work you can get 600-650 hp, whereas with 3406 that is about maximum you can get with all high performance parts if using Cat fuel pump. So with Cummins that is where the real tuning starts and it ends at about 1100 hp.
     
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  3. Davo81

    Davo81 Light Load Member

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    What you're saying is exactly what I've heard from a number of people!

    What do say to all these people on here that are saying they crack blocks, blow head gaskets, break cranks, etc?
     
  4. Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    To get that kind of horsepower, I know first hand you better get the aluminum pistons coated, I believe its ceramic to with stand the heat.
     
  5. Davo81

    Davo81 Light Load Member

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    I was planning on it!
     
  6. SmokinCAT

    SmokinCAT Road Train Member

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    Have fun, looks like lenny can help you with everything you need. I'm out.
     
    Diesel Dave Thanks this.
  7. Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    Ditto on what SmokinCAT said
     
  8. Davo81

    Davo81 Light Load Member

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    Don't be like that! I'm just stating what I've already heard. If you guys have owned Big Cams that have had the problems you've experienced then I'm all ears, but you said yourself, Smokin, that your Big Cam hasn't had any problems, yes?

    the old 4 and quarter Cat was a killer engine, but as I said, they're not option.

    I'd love some help with this engine if you guys can.
     
  9. SmokinCAT

    SmokinCAT Road Train Member

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    Besides completely rebuilding one after the pistons had melted to the liners, no I havent had many issues, but the hottest one doesnt work either, its just a toy. It would have to be turned down a decent ways to where it would live on the road.
     
  10. Davo81

    Davo81 Light Load Member

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    I can cope with a melted piston, it'll give me an excuse to rebuild it! ;-)
     
  11. V8Lenny

    V8Lenny Road Train Member

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    Retarded Bruce timing or lugging it down with lots of fuel causing too advanced timing cracking the piston?

    Hopped up PT Cummins needs a driver who knows how PT system works. Caterpillar is more tolerant to driver abuse.
     
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