Yeah they can pump it up to almost 200HP. If you get the high compression Helicopter pistons you can pump the 0360 up to 225.
Pitts S1C Single seat, fixed pitch prop, 85 - 180 hp. Two ailerons,
flat bottom wing.
Pitts S1D Single seat, fixed pitch prop, 85 - 180 hp. Four ailerons,
flat bottom wing. S1S fuselage (longer than S1C).
Pitts S1S Single seat, fixed pitch prop, 180 - 200 hp. Four ailerons,
symmetrical wing.
Pitts S1E Like S1S, but homebuilt (E for Experimental)
symmetrical wing.
Pitts S1T Single seat, constant speed prop, 200 hp and up
Pitts S2S Single seat, S2A fuselage, constant speed prop, 260 hp
Pitts S2A Two seat, constant speed prop, 200 hp
Pitts S2E Same as S2A but experimental
Pitts S2B Two seat, constant speed prop, 260 hp. Slighly larger
fuselage than S2A.
Pitts S2C Two seat, constant speed prop, 260 hp. Redesigned ailerons
and rudder.
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