-------------- Original message from Jerry Hey <jerryhey@earthlink.net>: --------------

I think the rpm was 7500 for 250 hp. I did not save the original message but that is what I recall. At 6000 rpm you can expect between 210 and 220 hp with the p port. Port size and location (i.e. timing) along with intake i.d. and length are variables that will effect hp at any given hp. Jerry