Harley-Davidson

Shovelhead and Panhead Engines
Horsepower Gallery

 

Performance and Technical information on engines for Harley-Davidson motorcycles.

This is a list of verified horsepower figures for a variety of Harley-Davidson Shovelhead Engines. The list provides information on the maximum horsepower recorded, the type of engine cases, the engine displacement in cubic inches (CID), head type with who did the modifications, type of camshaft, type of carburetor, type exhaust system, owner of the bike, the type of frame the engine was mounted in and the source of the data. Data sources used in building this list include Cycle-Rama, AMI, and various magazines. All horsepower figures listed here were confirmed on a dynamometer.

To have your bike listed here, send a copy of your dyno sheet data along with the other information listed in the Horsepower Gallery to us at the V-Twin Café.

 
Max
HP
Max Torque Engine Case CID Heads Camshaft Carb Pipes Owner Bike From
61 71 S&S 84 78 HD Crane 300H S&S Super E Drag Pipes with baffle Barry Linden 98 Special HD Ft. Worth
72 84 HD 88 STD Andrews BH CV SuperTrapp 2-1 Rich Comford 74 HD Cycle-Rama
78 88 HD 94 HD Andrews B Mikuni HSR-40 2" Python Drag Bernie Howard 74 HD HD Hampton, Newport News VA
94 88 HD 88 HD Baisley Redshift 550 S&S Super G 3 step drag pipes BaldButt Racing 74 HD FX Stegman Performance
Portland, OR
115 128 STD   STD Baisley Woods W9F S&S Super D w/thunderjet Thunderheader Rick Baldwin 74 FX Latus HD Portland, OR
132 126 STD 106 STD Baisley Red Shift .715 S&S Super D w/thunderjet 3 Step Drag Rick Baldwin 74 FX KBR's Custom Sandy, OR
89 104 Panhead 110 STD Panhead Sifton Python S&S Super B w/thunderjet SuperTrapp 2-2 Hakan Gudhe 77/64 Special Construction Mothers Engineering
Gothenburge, Sweden