GMR Performance 131-inch Harley M8 | Victory Motorcycles: Motorcycle Forums

GMR Performance 131-inch Harley M8

Discussion in 'Garage' started by crosscountryla, Feb 10, 2021.

  1. crosscountryla

    crosscountryla Well-Known Member

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    [​IMG]
     
  2. jmstang302

    jmstang302 Well-Known Member

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    That's quite short of the 170/160 that was claimed by The Vance & Hines / Speed Merchant, Battle of the Baggers bike.
     
  3. Ghostrider25

    Ghostrider25 Lone Rider of the Apocolypse

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    @jmstang302 If the V&H numbers are correct, then that is true. And I have no reason to believe they aren't. Makes you wonder what they did extra to get the added power. For me, 147/150 would do nicely. Higher compression perhaps? I bet that is a thirsty Dog, though. I reckon that is the price you pay to go fast.
     
  4. crosscountryla

    crosscountryla Well-Known Member

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    Traveling Tall has a YouTube channel and his 124-inch HD M8 bagger puts out 150 TQ and I think low 140 HP numbers. His bagger gets 42 MPG.
     
    Last edited: Feb 10, 2021
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  5. Ghostrider25

    Ghostrider25 Lone Rider of the Apocolypse

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    Well that is very respectable. Wow, so he punched out his engine eh? It has been a while since I saw one of his videos.
     
  6. crosscountryla

    crosscountryla Well-Known Member

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    Punched out his 107 engine to a Zipppers Performance 124 engine with 11.2 compression ratio
     

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