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Author Topic: Twin Carb 303  (Read 659 times)

SirSpamalot

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Re: Twin Carb 303
« Reply #15 on: November 18, 2021, 03:38:44 pm »
I did not try that, mostly tried different meg cones inside a can with different exits on the can. the one open meg i tried made my wife pretty mad  lol

 ;D. Having heard a 303 Wankel with open pipe at 7000 rpm, I'll bet the neighbors thought they had time traveled back into WW2.  ;D  During the SCCA Nat's at Watkins Glen in the 1980's I got to hear a built RX7 with open headers rip up the long back straight. It was louder than the Z28 Camaros by a LOT, and the Chevy's were running pipes similar to a Nascar. Wear earplugs, please. Don't be like me. After years of abuse I have hired my wife as an "Interpreter of Waitresses" for every restaurant we go to.  :o
« Last Edit: November 18, 2021, 03:44:41 pm by SirSpamalot »
I have one very special sled.
I no longer claim to be omniscient because the rules are more like guidelines.
Thank God I have more than one hobby.

Vintagesleds.com

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    motorman45

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    Re: Twin Carb 303
    « Reply #16 on: November 19, 2021, 03:14:21 am »
    Good advice on the hearing protection, my wife already thinks i need a hearing test :)   its nice to hear others have pushed a 303 to 7k, such great noise makers. nothing cooler than a peripheral ported rx7 with open exhaust.

     i originally said this was more of an engine build but i had to do something for a seat. this was much thicker one i believe made by penguin and i cut it down and re sewed the seams , hood decals and lighting finished as well. nearly ready to test. also modified the stator plate to get more advanced timing.
    72 Cheetah 440 sachs
    72 Cheetah 303 custom
    71 Puma 303 mod
    71 lynx 303 mod

    SirSpamalot

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    Re: Twin Carb 303
    « Reply #17 on: November 19, 2021, 02:20:03 pm »
    Thumbs up on that seat. Reminds me of a baby King Kat seat. If I ever do over another Jag I want a replica of the 1975 Jag seat as that looked similar to what you made.
    I have one very special sled.
    I no longer claim to be omniscient because the rules are more like guidelines.
    Thank God I have more than one hobby.

    motorman45

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    Re: Twin Carb 303
    « Reply #18 on: November 19, 2021, 06:49:53 pm »
    the seat turned out nice, ive always like the style of the king cats, also the 75 lynx had a cool seat as well.

     made a short video of it running, need to change the weights and spring in the P90 to get the shift up over 7k but it runs great so far without even messing with the 4 tilly jets much.

    https://youtu.be/uuURx2e8bo0
    72 Cheetah 440 sachs
    72 Cheetah 303 custom
    71 Puma 303 mod
    71 lynx 303 mod

    motorman45

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    Re: Twin Carb 303
    « Reply #19 on: November 20, 2021, 07:57:24 pm »
    better pic with seat finished, waiting on some clutch parts
    72 Cheetah 440 sachs
    72 Cheetah 303 custom
    71 Puma 303 mod
    71 lynx 303 mod

    Skier76

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    Re: Twin Carb 303
    « Reply #20 on: November 21, 2021, 12:38:54 pm »
    Sounds awesome!  Love the sound of those rotaries.   Another cool project motorman! 
    1996 Puma 2-up
    1996 Jag

    sr88

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    Re: Twin Carb 303
    « Reply #21 on: November 21, 2021, 04:49:22 pm »
    Very cool project. I watched all your u-tube videos. They are very interesting! Have you or will you dyno this engine or sled. The resuls will be very interesting.

    motorman45

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    Re: Twin Carb 303
    « Reply #22 on: November 21, 2021, 08:16:40 pm »
    glad you guys enjoy this build, I would love to dyno all the these ported rotaries if i could, not sure where to find anyone around here that could. the new build especially after i clutch it for 7500-8000 and get it to work well up there.
    « Last Edit: November 21, 2021, 09:20:52 pm by motorman45 »
    72 Cheetah 440 sachs
    72 Cheetah 303 custom
    71 Puma 303 mod
    71 lynx 303 mod

    Earl

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    Re: Twin Carb 303
    « Reply #23 on: November 21, 2021, 08:47:31 pm »
     there is a shop behind my work that repairs MC and sleds that has a dyno. I know he puts bikes on it, I don't no about sleds but I'll ask.  Will also get a price.  About 10  miles east of Hartford Ct.
    « Last Edit: November 22, 2021, 02:12:05 am by Earl »
    2001 Panther 2 up         2002 Z 570

    toocheaptosmoke

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    Re: Twin Carb 303
    « Reply #24 on: November 22, 2021, 12:29:08 am »
    If you keep making threads on mod rotaries I may end up buying one...  :o    Good stuff!   ;D
    https://www.youtube.com/user/toocheaptosmoke

    If you don't have too many projects, you don't have enough!

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    motorman45

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    Re: Twin Carb 303
    « Reply #25 on: November 22, 2021, 04:24:52 am »
    If you keep making threads on mod rotaries I may end up buying one...  :o    Good stuff!   ;D

    lol, always room for one more :)
    72 Cheetah 440 sachs
    72 Cheetah 303 custom
    71 Puma 303 mod
    71 lynx 303 mod