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Thread: Medusa

  1. #3251
    Official RnS Addict ivanhoew's Avatar
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    good idea Neil....if i want to send parts of my box all over the cave ! (this does not mean i won't do it of course )
    Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM

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    Official RnS Addict mygasser's Avatar
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    yep, decent traction will find the weak spots in the drivetrain mate for sure
    need a job done on your project? i may be able to help.

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    Official RnS Addict ivanhoew's Avatar
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    ello me bucko's !



    Well.... finally got to the point on the dyno where i was not getting anywhere fast ,apart from grating off more and more tyres ..







    i treid putting it in 5th and using low rpm around 2200 and holding it steady state ...this just stripped off my gritting ;(





    and took the roller down to bare metal !




    so my final mass of , pre injection and after inj fitted .... ,graphs , made with the car , are these ..

    BHP ..





    TORQUE ...






    you can see pre inj hovered around the 325 bhp and 360 lbs/ft ,,,,and the injection ones around 350 bhp and 420 lbs/ft ...there is so much spinning going on its safe to say that in reality there is a fair bit more power in there .






    so come last sunday i decided to take my first passenger in the car , and veronica was my first victim , she was very enthusiastic

    We went for a walk at blenhiem palace , and the weather was perfect ,sunny and not too hot ...she videod and took pictures ,


    dash of the car en route..






    and i choose to model my latest gay MTB captain look..








    once at the park we cruised in , ignored the parking arrows , and stuffed the beast on the grass under the trees , v took another load of nice pics for me ...























    walked a few miles . scoffed a bit of snacks , and came back to the car to chat to the interested parties , met some really nice friendly people .

    jumped in the car , and drove off out with the children waving at us ...and off to the 10 miles home ..v's verdict on the drive , "it was amazing , felt like she was in some beautiful racing speedboat" ....NOICE !



    notes on the drive for me are , must take off the heavy throttle return spring, it make the car feel reluctant ...much find a stiffer set of rear cartsprings ,its soft with me in there but with two people its much too soft ...mapping going well , but cold starts have become a prob ,no idea why .

    Yesterday i had to nip 5 miles ,up to the A40 for some stuff , so took medusa , and on the way back tried pushing it a bit harder through the bends ,and using higher rpm's....all i can say is it was brilliant , now the injection is getting closer its driving more like a normal car , flexible and easy to use the power ,you can throw her into a corner.... power on in mid apex , and blast out just using the torque , its got over 300 lbs ft from 1400 rpm to 5600 , and over 400 lbs ft from 2400 to 4400rpm , so ,with a body weight of under a ton , its very easy to drive .


    thanks for reading
    via con dios ..





    Regards
    robert
    Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM

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  7. #3254
    Rods 'n' Sods Junkie
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    It's amazing the difference a throttle spring can make to the whole feel of a car, rather like driving a car when it's clean and shiny - it goes so much better!

    Great photos, dare I ask what project next?

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    Official RnS Addict 28Chevy's Avatar
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    Nice you've got her more drivable now, can't get over how good those mudguards look, do they wibble about much?
    Whirrr whirrr chuff chuff de chuff........chuff......BRUMMMM!

    My Chevy thread: https://www.rodsnsods.co.uk/forum/sho...y-coach-403745
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  9. #3256
    Official RnS Addict ivanhoew's Avatar
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    Quote Originally Posted by mylesdw View Post
    It's amazing the difference a throttle spring can make to the whole feel of a car, rather like driving a car when it's clean and shiny - it goes so much better!

    Great photos, dare I ask what project next?


    it really does myles , i was driving it thinking this doesn't feel as eager , then remembered i had been experimenting ,and wacked a big heavy spring on there to see how affected tickover , then left it on .

    re projects...i may make a hard top for medusa , or alternatively try and build a coupe like the rr in the sorcerers apprentice .

    Quote Originally Posted by 28Chevy View Post
    Nice you've got her more drivable now, can't get over how good those mudguards look, do they wibble about much?


    no front wibblage at all bernard , the back ones do clang on the exhaust if cornering hard ,and the axle tilts , and also the back one vibrate at some points i think because the wheels are not balanced .the tyres do rub a bit as they grow due to speed ,but it just makes an interesting hissing noise.

    one weird thing is that , when cornering left , the rhs front mudguard catches a little , so i am gradually levering it away from the tyre , it now only does it at higher cornering g's ..so a little more bending required .i think that tyre may be folding over a bit more than the others ,with such a high sidewall and only 28 psi .

    RR
    Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM

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    https://www.youtube.com/watch?v=jizRaXlq71M
    sumting i found on youtube , guys talking funny though , cant understand a thing
    found out a little more , he used two 6 cilinder chevrolet engines for his car
    Last edited by watahyahknow; 10-12-2019 at 08:02.

  11. #3258
    Rods 'n' Sods Junkie Dodgy's Avatar
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    Not much thought gone in to the exhaust system there ;-)

    Which reminded me, I saw these pics and thought of you Robert....



  12. #3259
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    wow ....just.......wow mustve been somw pretty nice herbs the guy was on when he made it

  13. #3260
    Official RnS Addict ivanhoew's Avatar
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    Dodgy ! ..that looks brilliant... now i want to redo mine !
    Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM

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