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Thread: how can you tell the difference between a 350 and a 400
          
   
   

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  1. #1
    chevyman350's Avatar
    chevyman350 is offline Registered User Visit my Photo Gallery
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    Car Year, Make, Model: 86 chevy pickup
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    how can you tell the difference between a 350 and a 400

     



    i got a engine that i was told it was a 400 but soeone told me it was a 350 after lookin at it. can anyone tell if theres any thing i can look at to tell if its a 400.

  2. #2
    R Pope is offline CHR Member Visit my Photo Gallery
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    400 has a balance weight cast in the front damper, and a welded on weight on the ring gear. It's the only externally-balanced SBC.

  3. #3
    chevyman350's Avatar
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    i gotta 86 chevy 4x4 pickup

  4. #4
    BLOWN 502 MONTE's Avatar
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    well, check the casting# if not pull a head and check a bore.....personally id check the casting#...

  5. #5
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    Originally posted by DennyW
    So,....what you got McBain ? Huh, ??......what....have....you....got...??
    So,....what you got Loves Park ? Huh, ??......what....have....you....got...??

  6. #6
    erik erikson's Avatar
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    Thumbs up

     



    Check to see if it has three freeze plugs or a raised area between the other two freeze plugs where a center plug could go.

  7. #7
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    If it looks like this it's a 400
    Attached Images
    Ken Thomas
    NoT FaDe AwaY and the music didn't die
    The simplest road is usually the last one sought
    Wild Willie & AA/FA's The greatest show in drag racing

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