305E Inline 6 gm engine in a 64 gmc?

Discussion in '1960-1966' started by jimjimdp, Jul 21, 2011.

  1. jimjimdp

    jimjimdp Member

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    I bought a 64 gmc truck because i love older style trucks but the engine is an inline 6 but the inside of the truck on the driver side there is a metal tag from GMC that says it is a 305E and so much torque and rpm, but i cant find existence of a 305E inline six? was the motor swapped or is this not a 64? any info would be helpful because this thing is getting expensive and i sont even know exactly what it is, thanks.
     
  2. bigtimjamestown

    bigtimjamestown Member

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    Sounds like the engine was swapped. The 305 was a v6, it was big and heavy, lacked power and drank a lot of gas. It's proper use would have been as a boat anchor...Big Tim:cool:
     
  3. kieth

    kieth Member

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    I do not think gmc offered a inline 6 in 64, the first 250 6 Inline was in 66


    here is a link to Jollys gmc website it has lots of info:

    http://www.6066gmcguy.org/
     
    Last edited: Jul 21, 2011
  4. Bill Hanlon

    Bill Hanlon Member

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    Earlier GMC inline six cylinder engines had the engine serial number stamped as shown here:
    http://chevy.oldcarmanualproject.com/gmc/5559mm/5559mm0i05.html
    The first three digits of these older engines serial numbers were the size of the engine such as 302, 270, etc. There could be an alphabetic prefix (A through G) that signified slight over sized pistons and/or undercut main or rod journals on the crank from the factory.
     
  5. slammed63gmc

    slammed63gmc Member

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    not a 305

    i have a 305e V6 and as far as i know there was never a inline 305 made so i would say it was swaped get the numbers off the block and run them to find out what it really is cuz its deffinately not a 305 bud..... also i am loooking for a 1bbl carb for my 305 V6 anyone know were to find one?
     
    Last edited: May 1, 2012
  6. ccharr

    ccharr Member

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  7. vwnate1

    vwnate1 Member

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    V6 Carby

    I remember working on these back in the day and I thought they were all 2BBL carbys...

    In any case . Rock Auto .com will have the stock one .

    -Nate

     
  8. slammed63gmc

    slammed63gmc Member

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    no luck

    sadly i have checked there and they do not have a single barrel holley carb wich came on my 63 305 V6 :(
     
  9. dcsi5919

    dcsi5919 Member

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    We have the single-barrel carburetor you are seeking, that was factory-correct on the 305 V6. It is a Stromberg.

    Also, the '60-'66 GMC trucks were equipped with straigh sixes or a generation of the 305...A, B, C, D or E.
     

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