Rainman - I am building a stock small reed 500 to test the theory of more torque/throttle response that alot of people claim. Ill see if the old but dyno can tell the difference from the stock 87 topend I was running.

Nice,I,m very interested in the results.My 250 is an 87 big reed.500 is an 88 small reed.Have to say I like the idea of the big reed intake but would be nice to hear/see some opinions or theories behind it.

Make sure you do the tests run with the seat off,makes the butt dyno more precise.