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  1. #1
    Member baggertim's Avatar
    Join Date
    Feb 2019
    City
    millington
    State
    Michigan
    Posts
    61

    throttlebody dyno numbers

    Does anyone have dyno numbers from before and after stock to 58mm throttlebody body change.Just curious to see if real world numbers are worth it.Running 104hp with 114tq now with my 09 sg with 103 kit /ported heads and pro pipe.
    just curious

  2. #2
    Member baggertim's Avatar
    Join Date
    Feb 2019
    City
    millington
    State
    Michigan
    Posts
    61
    anyone running larger tbody?Just don't want to waste money for no improvement.

  3. #3
    Founding Member BlkDragon's Avatar
    Join Date
    Jul 2015
    City
    East Valley
    State
    Arizona
    Posts
    574
    With my new Screamin Eagle 110 performance motor I am running 58mm TB/injectors and yes more air/fuel will make the bike run a lot stronger with larger pistons, head work, bigger cam, high flow oil pump, lifters, pushrods, balanced crank, Boarzilla 2-1 exhaust & Trask high flow a/c...….whatever stock SG 103 motor hp/tq > 119hp/122tq......if I have to do it all over again I would go with Zipper's performance kit.
    Last edited by BlkDragon; 01-27-2020 at 05:41 AM.
    '15 FLHX, Vivid Black with S&S performance mods & aftermarket accessories!


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