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    Author Topic: 340 magnum vs 340 four barrel??  (Read 1001 times)

    Offline mikerallye

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    340 magnum vs 340 four barrel??
    « on: June 23, 2008 - 12:04:05 PM »
    Hey guys, what it the difference between a 340 magnum and a 340 four barrel engine. I have seen both emblems on some 73 rallyes??   :clueless:
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    Offline pink panther

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    Re: 340 magnum vs 340 four barrel??
    « Reply #1 on: June 23, 2008 - 12:05:32 PM »
    the magnum and the commando are the same, they both are top end performance engines. the 340 4 barrell is the standard engine.
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    Scott   -  Member since 9/18/2005

    Offline mikerallye

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    Re: 340 magnum vs 340 four barrel??
    « Reply #2 on: June 23, 2008 - 02:03:30 PM »
    HOw can you identify the cammando vs the magnum vs the four barrell ? were all available in 1973.  I would like to know which engine I have; it is a numbers matching 73 rallye challenger.
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    Offline pink panther

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    Re: 340 magnum vs 340 four barrel??
    « Reply #3 on: June 23, 2008 - 02:34:32 PM »
    the magnum is dodge and the super commando was plymouth, the casting number for a 1973 340 is 2780930, someone correct me if I'm wrong is it the heads that are different on the block to make it the magnum or commando?
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    Scott   -  Member since 9/18/2005

    Offline oldkimmer

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    Re: 340 magnum vs 340 four barrel??
    « Reply #4 on: July 06, 2008 - 02:02:33 PM »
    ............the name..................kim...... :canada:
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    Offline bb71challenger

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    Re: 340 magnum vs 340 four barrel??
    « Reply #5 on: July 06, 2008 - 02:05:05 PM »
    Quote from: oldkimmer on July 06, 2008 - 02:02:33 PM
    ............the name..................kim...... :canada:
    :iagree:
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    Offline Chryco Psycho

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    Re: 340 magnum vs 340 four barrel??
    « Reply #6 on: July 06, 2008 - 02:16:28 PM »
    in 73 they factory dropped the compression huge , not sure the low comp version was still called a magnum
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