i figured it to be about 185whp when i was running it, so id say your calculations are about right, but not the final one at 25psi...you begin losing efficiency, id say 220-230 range.
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El Pendejo Loco
2002 Suzuki Hayabusa
1507 "dry" block
Brocks megaphone
Spencercycle 10" swingarm
MPS auto shifter
Hays convertible clutch
Yea, that about sums it up...