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  1. J

    dirtbike has no powerban 2 stroke. 1982 yamaha it 250 enuro.?

    i have recently got a new top end on the bike. i broke it in nice and smooth. cleened carb, reeds, gas tank with new gas, re did bottom end too. everything worked fine before i got new head, piston and piston rings. i dont know whats wrong. when im driving down the road right when its suppos to...
  2. J

    Chevy/GM 305 cu. horsepower limits?

    What was the most horsepower or torque anyone has personally seen produced by a pre-eighties 305? I specify pre-eighties because I'm not sure if the mechanical parts of the engine has changed since the 70's, but I know that the simple feedback carb and CCC changed dramatically to the ECM, etc...
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