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xbig pitax

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  11. Drag axle

    in Wanted

    Posted

    Looking to buy a drag axle 26-28" must be gun drilled! Don't really care if it has honda sprocket hub or banshee sprocket hub. Please pm me or text me 305-877-6617

  21. Help with set up

    in Banshee Repairs and Mods

    Posted

    Yes and no. As with every thing it depends on set up...... To an extent. On the banshee twins, I see more motors go in to detonation before they can just get away with an early burn and spit it out the exhaust. The bigger singles get away with more timing as they don't fight the another piston. Those big singles are definitely the motors you see where they can just burn early and "blow cold" with timing. I've only seen a handful of motors that do that.

    On the banshee twin, excessive timing definitely makes them go a little flat up top like when you have to much compression. In my opinion, if a motor needs that much timing to work, there is possibly a dome issue. The question really is, why does a particular motor need to be lit so damn early to get a complete burn?

     

    OP, 210psi and 9 degrees is a bit much. It'll feel like a freight train early on, but won't pull revs the way it should. I used to TRY to run my short track motors that way but they never lived or reved.

    I dropped the timeing to 6 and the top end feels a tad bit better but I'm going to go lower 4 or 3 so it pulls more up top.

  23. Help with set up

    in Banshee Repairs and Mods

    Posted

    I know because they had nitrous nozzles sticking in the side of them and I have the rest of the bike , and I degreed them

    What would you recommend me to have them set up perfect. I have the compression at 210 and the timing at 6, but I feel that the motor has more in it.

     

    Basically what compression timing and other things would you change... What octane where they ran with?

  25. Help with set up

    in Banshee Repairs and Mods

    Posted

    Your dome change will put you at about 190. They are usually about 10 psi per 1cc of dome. +9 degrees is ALOT of timing as well. I know of a lot of RDZ stuff that runs well with about 5-7 degrees. Also, that Sunoco could be stale. Especially if it's from winter. Mos of those places just don't sell it fast enough. I went from Torco to Sunoco and noticed some inconsistencies. I swapped to C12 and it ran great. The C14 might be an option for you if you are serious about wanting the higher compression and timing. There is also an oxygenated fuel called VP113. It's pretty much oxygenated C12. Good stuff!

    I switched to the 19cc domes and I was at 180 ish compression. Bike felt horrible slow. Going back to the 17cc and dropping the timing to 6.

     

    The porting is really aggressive, compared to all the other ported cyl I've seen mine are way more ported, I'm going to try to post a pic of the transfers, intake, and exhaust.

     

    The domes are 17cc off the shelf

     

    I live in Miami fl where we are at sea level, and it's never cold lol. The Sunoco where I get my gas, I've talked to the manager and asked him how many times a month do they get 110 and they get it every month.

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