In Reply to: Dyno of JimC, Remus, Pulley and Shielded Cone posted by Chris_P on May 12, 1999 at 17:40:21:
There is no way a cone filter is giving you that advantage. I would guess that adaption is playing a big role in your gains.
The HP numbers seem very odd, on the low side for a Jim C, pulleys, etc. engine by about 20 HP.
Are you clearing your O2 sensors before each run?