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  1. cowboy3669

    Test & Tune time slips

    Time slips from 10/12/13 @ US131 Motorsports park
  2. cowboy3669

    Banshee lock-up clutch

    Was asked what I did to use a Banshee lock-up. The holes in the lock-up head had to elongated .050 in. to the outside. The spacer is to get the head up far enough to allow the arms to work. The spots on the clutch plate are steel inserts glued into holes drilled in the plate so not to to wear...
  3. cowboy3669

    removing head without removing engine

    Got tired of pulling engine to do head or top end work. So borrowed idea from Top Fuel Dragbikes. removable top bar.
  4. cowboy3669

    The Race Season has ended

    The season ended just about the way it started. Only this time it was an intake valve that didn't want to stay where it belonged. the intake is on the right. the cause was the broken retainer shown next to a good one.
  5. cowboy3669

    The Racing Gods

    Hopefully the Racing Gods will be satisfied will these donations for the rest of the season.
  6. cowboy3669

    Inspecting the crankshaft

    Not the recommended way to inspect the crank. what happen when the rod wants to somewhere else.
  7. cowboy3669

    OU-72

    a few years ago I acquired this head & paperwork. it has a highly modified combustion chamber,the valves are at different angle than stock.both intake and exhaust tracts are polished like the combustion chambers.
  8. cowboy3669

    xs650 dragbike

    my toy,stock engine(welded crank),home designed 3spd. transmission. turbo from probe gt
  9. cowboy3669

    New Guy

    Hi,new guy here from western Michigan. just realized that i have had a xs650 for over 30 yrs. still have the 1st. one, still. My main toy now is 650 with nitrous & a turbocharger. it has run a best of 10.33@133mph.
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