ENGINE SECTION RED PART NUMBERS INDICATE NEW PARTS 6-72 1 2 3 4 5 6 7 8 9 10 11 CONTENTS REFERENCE GENERAL EXHAUST FUEL DRIVE TRAIN ENGINE WHEEL CONTROL FRONT END FRAME ELECTRICAL Cams Timing Duration Application (1) Valve Lift (1) Grind Part # Listed for reference. 1984/1987/Later OE cam is 212° intake, 03/39 .495” 222 OEM (L) –– 202° exhaust, .472” lift on both valves. 54/02 .495” 236 1988/1991 Listed for reference. 1992/Later OE cam very close to 02/30 .472” 208 OEM (N) –– 1984/1987 specs. California cams are approximately 178° 31/09 .472” 202 1992/Later duration. Fuel injected “0” cam is 200˚ duration intake and 216˚ duration exhaust. Bolt-in cam for street or touring use with more mid 15/31 .485” 226 EV13 66866 range and upper end power. Much more stuff than 45/13 .495” 238 stock ‘88 or ‘92 EV cam. Especially effective in reducing oil temperature. USE STOCK SPRINGS. Bolt-in cam for light bikes (FXRS, etc.). More mid 21/37 .495” 238 EV3 66828 range power. Idle smoothness unaffected. This is a 43/15 .495” 238 6000+ RPM cam for stock heads and springs with hydraulic lifters. USE STOCK SPRINGS. Bolt-in mild street cam that produces more torque 10/20 .498” 220 EV23 66831 and horsepower for all around riding when used in 40/08 228 80 cubic inch engines with the standard 8.5 to 1 compression ratio. This cam pulls strong between 1800/5200 RPM. USE STOCK SPRINGS. Bolt-in street cam with fast open and close ramps. 20/36 .495” 236 EV27 66881 Similar timing to EV3 but designed to produce a 44/16 .495” 240 very broad torque band. Pulls 1500 to 6000 RPM USE STOCK SPRINGS. Bolt-in performance cam with fast open and close 25/41 .495” 246 EV46 66875 ramps. Similar to EV3 but higher static compression 49/17 .495” 246 pressure for 6000+ RPM with stock heads and hydraulic lifters. USE STOCK SPRINGS. Easy installation with longer duration for modified street 28/44 .510” 252 EV51 66825 engines with hydraulic lifters. Power range from 3000/ 54/22 .510” 256 6500 RPM. USE STOCK SPRINGS. Time tested and track proven Andrew’s Cams have computer enhanced design features that provide a superior combination of performance gains and reliability without sacrificing component longevity. Installation instructions included. NOTE: Always replace the segmented cam bearing with the full roller. (1) Timing and Duration measured at .053” cam lift. CAMS FOR BIG TWIN EVOLUTION ALL YEARS XTREME ENERGY™ CAMS FOR BIG TWIN EVOLUTION • Xtreme Energy™ cams feature exclusively shaped (steeper) ramps designed to open and close quicker providing increased engine vacuum and more cylinder pressure. • These cams achieve maximum velocity sooner without resulting in excessive valve train noise. • Designed for hydraulic type tappets. • Must be used with adjustable pushrods. • High lift valve spring kits are required. • Made from 6150 heat treated aircraft quality steel that has been case hardened for durability and strength. • Cams can be used with your existing gear to preserve your exact gear mesh. Duration Valve Timing TDC Valve @ .053” Open/Close Valve Lift MFG Application Lift INT EXH INT EXH INT EXH Grind # Part # This cam yields impressive mid range .585” 252˚ 252˚ 26/46 52/20 .228” .182” EVL-5015 66521 and upper end power in 80ci engines with improved head flow. Works best with 9.5:1 compression ratio. Power band up to 6000 RPM. Fits Big Twin Evolution 1984/1999 EFI Or CARB EFI Or CARB EFI Or CARB Not legal for sale or use in California. Not legal for sale or use in California.
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