454 mpg

Discussion in 'Chevy Truck Forum' started by RUDIS454, Nov 17, 2011.

  1. RUDIS454

    RUDIS454 Full Member

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    Anybody have an average mpg on the 454? I get from 12.5-13.5. Is that average?
     
  2. leolkfrm

    leolkfrm Full Member

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    thats about what i used to get on my 90 pu.....8 in an rv.....same if i was towing or not
     
  3. chevychase

    chevychase Semi-Admin
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    That is great for a 454... All my 350,s about what they get.
     
  4. gmctrucks

    gmctrucks Full Member

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    Post a picture of that 454 and truck give us some spec's.
     
  5. MikeG

    MikeG Full Member

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    No ****!!!!!! :no: I get 13 in town with my '96 5.7 (350)! Of course that's why I'm going to do a Cummins swap.
     
  6. Boudin

    Boudin Forum Moderator

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    Man, that's great for any 454. I wish I got that good in my 350.
     
  7. TexasAirCooler

    TexasAirCooler Senior Member

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    My '99 3/4 ton w/ 454 is getting 12+ mpg. Want to change the air intake system and exhaust next summer to try and get a little more.
     

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