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Thread: 4BT Cummins Diesel

  1. #16
    Tommy sucks Sharpe's Avatar
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    Its cool if you buy said 750 pound engine from me. Otherwise, dont do it.
    On the 8th day god created the Super Swamper TSL and said "go forth and kick ass"

  2. #17
    fbronco86
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    Quote Originally Posted by Reckless
    Right now i just want one in the Cj for the mileage and i can run cheap farm diesel at home. 750 lbs for the diesel vs 700 for a bigblock and 2x the milage its not that bad and i can work on the damn thing too.
    Get a Honda if you want good milage.

  3. #18
    Buckaroo Bonzai!!! Reckless's Avatar
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    30+ mpg estimated

  4. #19
    wash, rinse, repeat. sasquatch's Avatar
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    sounds like more trouble than its worth

    1976 F-100 Kustom Krawler
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  5. #20
    Buckaroo Bonzai!!! Reckless's Avatar
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    I could even run Bio diesel so i will be treading lightly for the hippies.

  6. #21
    ^TAMOR NORTH^ Graystroke's Avatar
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    if you put a 4bt in a your heap you will have to locktite every nut an bolt. not the smoothest running engine. power band is narrow so you would have to change up the gearing as well. Mercedes diesel is where it is at. I can rap 4500 rpm on mine runs 3000 rpm at 75mph all day and gets 30 mpg. burns no oil, is quiet, and smooth. mine has 280,000 mi and runs like a champ. mine is rated at 140hp and 200ft/lb.

  7. #22
    Buckaroo Bonzai!!! Reckless's Avatar
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    but cummins parts are half of what the mercedes diesels are and are easer to obtain parts.

  8. #23
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    Quote Originally Posted by Reckless
    but cummins parts are half of what the mercedes diesels are and are easer to obtain parts.
    never under any circumstances play the money card when arguing with grayson....you always got ripped off
    Quote Originally Posted by Graystroke View Post
    So you loose, I win!

  9. #24
    wash, rinse, repeat. sasquatch's Avatar
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    what are you replaceing? a 4.2? try getting a amc 304 which will probably bolt up to what you have. they have plenty of low end power. and why are you worried about mileage when you going to be wheeling? or is this going to stay on the road

    1976 F-100 Kustom Krawler
    1976 F-150 Custom
    1964 CJ5

  10. #25
    Buckaroo Bonzai!!! Reckless's Avatar
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    both

  11. #26
    sprayin' the house down CheapJeep's Avatar
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    Get a 360, it's still an AMC so it'd be a direct bolt in plus the 304 has the heads that everybody tries to upgrade but has to pay big$$ to do so.
    1974 CJ5-The BarnBurner

    Quote Originally Posted by stx4wheeler View Post
    Robbie is the Charlie Daniels of the super swamper.

  12. #27
    What's that whine? tigweld's Avatar
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    Quote Originally Posted by Reckless
    They are found mostly in frito lay trucks and stuff. They have the same bolt pattern as a dodge cummins.
    The ones I have seen either had a th-400 or a np465 behind'em (maybe cause they were in chebby box vans), but I couldn't tell if there was a adapter. I thought the the 4bt had a SAE pattern(don't remember which one) due to it being used in many different industrial apps.

  13. #28
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    Quote Originally Posted by 95discovery
    may even swap in a 350 thats just sitting in the garage.
    This would be a dumb idea.

  14. #29
    wh09p! 95discovery's Avatar
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    whys that

  15. #30
    Buckaroo Bonzai!!! Reckless's Avatar
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    Quote Originally Posted by tigweld
    The ones I have seen either had a th-400 or a np465 behind'em (maybe cause they were in chebby box vans), but I couldn't tell if there was a adapter. I thought the the 4bt had a SAE pattern(don't remember which one) due to it being used in many different industrial apps.
    It depends on what application it was used in, like you said, they had the TH400 and the 465, but the ones ive worked on had the round cummins bolt pattern.

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