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Thread: Nova Kitcar Subaru flat-six PPC magazine project car or scoobynova.

  1. #601
    Owners Register Admin & Euro-Nova Supporter BlueNova's Avatar
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    Quote Originally Posted by Buffy View Post
    Steve
    Was discussing the topic this evening with my GT40 guru and the differing master cylinder ratios. His response,,”But have you considered the pedal pivot ratio ?”
    Getting very technical now !!
    I rest my case!


  2. #602
    Quote Originally Posted by Buffy View Post
    Steve
    Was discussing the topic this evening with my GT40 guru and the differing master cylinder ratios. His response,,”But have you considered the pedal pivot ratio ?”
    Getting very technical now !!
    And the variable ratio caused by shifting the bias off center on that pivot? gets even weirder.



    The opinions expressed in my posts may not be made in a sound mind and should be taken in the spirit intended, Jack Daniels is fine.
    Some people see things as they are and ask why? I dream things that never were and ask, why not?” JFK

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  3. #603
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    Prepping the front calipers to go on, The Wilwoods were chosen as they were lightweight, suitable for a ~400kg front axle, looked good and could be made to fit. They come with either 1.38 or 1.75 diameter pots, I got the 1.75 pots, but the 1.38 would probably have been a better choice for the Nova.

    The Wilwoods have 1/8 NPT (Pipe Taper’d) threads, what you are supposed to do is use PTFE tape to seal-in an adapter to fit the stock VW flexible hoses. I hate PFTE tape, so I have used liquid PFTE - this stuff (Pictured) came from Italy.

    Having done all that, the driver’s side caliper didn't fit, so I opened up one of the mount holes, just a little. I wrapped the caliper in plastic to protect it from the drilling swarf.

    To put a full-stop on the Brake bias discussion, I am going for a 0.875 Master Cyl at the front (partly due to the 1.75 pots on my Wilwoods) and 0.625 Rear, that will give me 50-50 Bias, and I will fine tune from there with the Balance bar.

    I also have my End caps 3D printed in Yellow, they were printed in ASA (Acrylonitirle Styrene Acrylate) I bonded them on with J-B Weld. There were needed to cover the thru rods which extend out further than the stock torsion bars.







  4. #604
    Owners Register Admin & Euro-Nova Supporter BlueNova's Avatar
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    Looking great Steve

    Particularly like the last photo ... what a far cry from the stock VW set up, and that’s a neat LB lower through rod cover. Great attention to cleanliness too with your temporary hub nut cover

    Alistair
    Last edited by BlueNova; 04-04-2020 at 07:54 PM.

  5. #605
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    I think the last photo fits the category of,
    “ Man cave porn “ 😂👍

  6. #606
    very neat setup, nice photo blog too

  7. #607
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    Cheers Gents; A couple more bits done today;
    One of my Master Cylinders has a loose/rattly pushrod, I opened it up
    and the internal plunger/spring doesn't extend far enough to hold the pushrod firmly in place, the internals seem fine, there is a restrictor that stops the spring extending too far, everything is present & correct so I can't see what the problem is.

    I made some half-saddle clamps to hold the handbrake cables down as they route around the bumpstops, also fitted a shield for the accelerator linkage to prevent my left foot clashing with the mechaism.













  8. #608
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    I ordered an 0.625 and an 0.875 Master Cylinder from Compbrake, they arrived today, so I dismantled the pedal box for the umpteenth (possibly last) time.

    Straight out of the box, the larger MC had the same pushrod rattle as the previous one, however this time it was fixable by inserting a second shaped washer (Pic) in between the pushrod & plunger.
    It doesn't give me much faith in the build quality of the MC's though :-(

    I wanted to have an electric conduit at the back of the pedal box for the brake light switch and possibly for the throttle position sensor, the clips fit to the top Master Cyl mounting bolts, using an M10 nut as a spacer.

    The 0.875 Master Cyl is a chunkier construction than the smaller MC's and the position of the outlets is further forward & higher, it means my braided 'outlet' line no longer fits, so that will have to be remade. But on a positive note the brake light switch fits a lot better on the bigger MC, so I will move it across to operate on the front brakes.








  9. #609
    I'm really enjoying seeing your build thread photos, and the top notch quality approach you are maintaining across all aspects of the build, like the conduit clamps, nice attention to details.

  10. #610
    Owners Register Admin & Euro-Nova Supporter BlueNova's Avatar
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    Quote Originally Posted by islandman View Post
    I'm really enjoying seeing your build thread photos, and the top notch quality approach you are maintaining across all aspects of the build, like the conduit clamps, nice attention to details.
    Steve, I’m really enjoying it too .... and as I’ve said before, I think your Nova’s body deserves similar attention to detail

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