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Showing content with the highest reputation on 07/25/2014 in all areas

  1. Alright dudes, thought I'd give you some more ride reports. I had it out last night for the first time on public roads, and even with a less-than-optimized fuel map, it really runs sweet. For the first time, I really nailed the throttle (again, keeping it under 6000rpm), and to be honest, I was kinda disappointed with the power -- until I realized that I was in 4th gear and it was pulling like it used to from lower rpms in 2nd! If just cruising around, the manifold pressure is in a constant state of vacuum, but as soon as you open up the throttle, the boost instantly jumps up -- I was seeing 2.5psi at ~5500rpm, which essentially is like a 12hp/12ft-lb gain at the wheel. The power delivery is electric smooth -- think of a subway taking off, that's what it feels like. The sound is absolutely intoxicating; between the new exhaust, the gear-driven cams, and the incredible whirl of supercharger under boost (which is far more pronounced than when cruising), I don't think there's a better sounding bike on the planet. I recorded some good data with the wideband, so I'll be working on a new map today, but I can't wait to head out and feel the new power in 2nd or 1st gear. So far, everyhing is a-ok, though I think the oil cooler does indeed work too well. For the whole ride, I never saw temps rise above 175. When I take it out again, I'll keep an eye on that, but I can easily forsee adding an oil thermostat. Okay, time for some glamour shots. Right now, I have the headlight, tailight, mirrors and turnsignals rigged up so that the bike is legal, but they are absent from the pictures here. Enjoy. front_quarter.jpg side_shot.jpg rear_quarter.jpg Some of you were interested in where the new cooler sits. Here ya go: cooler_shot.jpg blower_setup.jpg rear_shot.jpg Yeah, it's a fake novelty plate. Pretty subtle, huh? And yes, the opening of the pipe really is that big.
    1 point
  2. Thanks for the warm welcome guys. Matt - that is indeed photoshopped. I seriously considered chopping the tail & changing the suspension (and still do), but I'd rather have more go than show, so right now, those mods are on the back burner. I am however making a custom exhaust, but unlike that picture, it will be a muffled reverse cone, so it should be much quieter and fit the lines of the bike (and stock tail section) better than the slash cut. Very scientific testing has taught me that a VFR sounds better muffled than not... I'm definitely looking forward to the stealth element the Rotrex will provide. Due to the internal design (it uses a planetary roller friction drive, not gears), it will be nearly silent while operating, and is also very efficient. The model I have can spin up to 150,000 RPM! Since it's centrifugal, the power delivery will be very easy on the drivetrain and very controllable with the wrist, and I'm looking to get a realistic 140-150 RWHP out of it when I'm done. I'll keep you guys posted with my progress. I've learned a tremendous amount of information so far, and can't wait to get this thing back on the road.
    1 point
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