• There were many reasons for the change of the site software, the biggest was security. The age of the old software also meant no server updates for certain programs. There are many benefits to the new software, one of the biggest is the mobile functionality. Ill fix up some stuff in the coming days, we'll also try to get some of the old addons back or the data imported back into the site like the garage. To create a thread or to reply with a post is basically the same as it was in the prior software. The default style of the site is light colored, but i temporarily added a darker colored style, to change you can find a link at the bottom of the site.

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  1. Yukonf3

    Exhaust Back pressure II - Two Bros vs Stock

    A while back I was able to test the stock exhaust for back pressure. ( http://www.spyderlovers.com/forums/showthread.php?98322 ) It's been cold here for a while but finally got a chance today to put the Two Bros exhaust on for a few test runs. I then added the P1X tip. I also put the stocker...
  2. Yukonf3

    Okay, here are some initial facts on the F3 stock exhaust back pressure

    Had a chance to make some runs today with my F3 stock exhaust connected to a digital manometer. I can tell you unequivocally that the stocker flows really well....up to about 5,500 rpm. Idling - 0 psi, rev at 3k - 0 psi, cruising at 4k in 3rd - 0.2 psi. In fact even at WOT, psi is under 1...
  3. Yukonf3

    When one bung is not enough.

    Add another. ;) Ready to start fitting and measuring various exhaust configs.
  4. Yukonf3

    connecting rod length?

    I'm working on some performance calculations. So far, haven't found this spec in the service manual or online. Does anyone know the rod length c-c of the 1330? thx,
  5. Yukonf3

    Daytona has Sport Mode - can it be retro-fitted to other models??

    It's interesting that the 2017 Daytona 500 model is being offered with a sport mode option. Now I'm wondering if or how it might be retrofitted to earlier models.
  6. Yukonf3

    F3 in an Autocross

    Ran in an Autocross today with 18 cars of various sorts. Kudos to the car club for letting a three-wheeler take a few "exhibition" runs. Fastest time of the day was 21:22 seconds (my son in a slightly tuned Miata - which cost me some pride and $s). I ran 22:35, so a little over a second off...
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