454 vs Cummins

Discussion in 'Chevy Truck Forum' started by ChevyReb, Sep 7, 2018.

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454 bbc vs 12v cummins

  1. 454

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  2. 12v

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  1. ChevyReb

    ChevyReb New Member

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    F7F8E88D-D3BB-41C9-A618-89CD40D056BA.jpeg I have a 1990 Chevy 3500 3+3 with the 7.4L bbc. I’ve been going back and fourth for sometime on whether I keep the 454 or throw in a 12v Cummins. The increase in power with the 12v not including a a few bolt ons and the better fuel economy is appealing. My truck isn’t lifted yet be considering a 4-6inch lift as well. It’s just an all around work truck, tow from time to time, a little bit of mudding and off-roading, hunting etc.. what are your thoughts? Keep the 454 or swap for the Cummins?
     
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  2. MikeG

    MikeG Full Member

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    Swap it!
     
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  3. scavanger

    scavanger Full Member

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    Detroit.
     
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  4. MikeG

    MikeG Full Member

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    That would be FREAKIN AWESOME!!!
     
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  5. gmctrucks

    gmctrucks Full Member

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    Cummins for sure and welcome to the forum
     
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