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Harley-Davidson

Twin Cam 88, 95, 96, 103 and 110 CID 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 the Twin Cam 88 and 95 CID 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 DynoJet or Super Flow chassis 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 Compression Camshaft Carb/EFI Pipes Owner Bike From
124 123 HD 103 SE CVO CycleRama   CycleRama CycleRama TB
PowerCommander III
    FLHRSEI CycleRama
130 130 HD 103 CycleRama   CycleRama CycleRama TB     Softail CycleRama
133 130 HD 103 CycleRama   CycleRama 51 mm HP Inc     FLH CycleRama
136 124 HD 103 CycleRama   CycleRama HSR Cycle Shack wo Baffles     CycleRama
148 144 JIMS 120 CycleRama   CycleRama CV 51mm       CycleRama
153 160 HD 131 CycleRama   CycleRama HSR-48 SuperTrapp 2-1     CycleRama
129 120 HD 95 CycleRama
CNC
  CycleRama   SuperTrapp 2-1     CycleRama
144 121 HD 95 CycleRama   CycleRama S&S Super D CycleRama Step Drag     CycleRama
109 104 HD 95 Joh Sach 10.8 Andrews TW-55 50mm SE w/PC III Rinehard True Duals Jon Cannon 06 FLRTI Blais Cycle
Miami, FL
71 91 HD 96 HD stock   HD stock HD stock HD stock   07 FLH 2007 SE Catalog
66 82 HD 96 HD stock   HD stock HD stock HD stock   07 Dyna
07 Softail
2007 SE Catalog
102 108 HD 103 SE   SE-258 HD stock SE Slip-on     2007 SE Catalog
105 106 HD 103 SE 103+   SE-257 HD stock SE Slip-on     2007 SE Catalog
89 97 HD 96 HTCC   SE-251 HTCC EFI SE Slip-on     2007 SE Catalog
97 94 HD 96 HTCC CNC   SE-251 SE 50mm SE Slip-on     2007 SE Catalog
85 95 HD 96 SE   SE-257 HD stock SE Slip-on     2007 SE Catalog
105 98 HD 103 SE 103+   SE-264 HD stock SE Slip-on     2007 SE Catalog
116 118 HD 113 SE 103+   SE-264 SE 50mm SE Slip-on     2007 SE Catalog
80 95 HD 110 110 CVO   SE-253 CVO HD Stock SE Slip-on     2007 SE Catalog
79 95 HD 96 HD stock   HD stock HD stock SE Slip-on   07 FLH 2007 SE Catalog
74 85 HD 96 HD stock   HD stock HD stock SE Slip-on   07 Dyna
07 Softail
2007 SE Catalog
53 66 HD 88 HD   Stock Stock CV Stock - 99 FXDWG Fast Company Dyno
Kirkland, WA
59 72 HD 88 HD   Stock EFI Stock Stock - 99 FLH HD
59 72 HD 88 HD   Stock CV  Stock Greg Coen Motors 99 FXD Greg Coen Motors
60 78 HD 88B HD   Stock CV  Stock - 2000 FSTC Dyno
62 77 HD 88 HD   Stock EFI Stock Stock - 99 FLH Dec 98 Hot Rod Bikes
64 78 HD 88 HD   Stock CV Stock - 99 FXD Hot Rod BIkes
June 1999
64 78 HD 88 HD   Stock EFI Stage 1 Stock HD 99 FLH HD
67 78 HD 88 HD  8.9:1 Stock CV w/Thunderslide V&H Gregory Rocha 02 FLSTS Pikes Peak Performance
Colorado Springs, CO
67 79 HD 95 HD  8.9:1 SE Stage II EFI Stage II Stock HD 2000 FLTRSEI motorcycle.com
68 78 HD TC-B 88 HD   Stock CV w/Thunderslide
185 main
Hooker 2 1/4" Staggered Duals Max Green 01 FXSTC HD New Orleans
68 82 HD 88 HD   SE Stage II EFI Stage II Stock HD 99 FLH HD
68 83 HD 95 HD   Stock EFI Stage 1 Stock HD 99 FLH HD
69 79 HD 88 HD   Stock CV Rejetted SE Slip Ons B.D. 99 FXDWG Fast Company Dyno
Kirkland, WA
69 80 HD 88B HD 8.9:1 Stock CV w/DynoJet 185 main Python 3 slip-ons Mack Mackenzie 01 FXSTB Myrtle Beach Performance
69 83 HD 95 HD 8.9:1 Stock EFI Stock Stock Stock 01 FLTRSEI Bartell's HD
70 83 HD 88 HD   Stock EFI Stock - SE Air Cleaner Stock - 99 FLH Dec 98 Hot Rod Bikes
70 84 HD TC-B 88 HD   Stock CV DynoJet V&H Classic Steve Peters 99 STSF Skips Custom Cycles
Winchester, VA
70 87 HD TC-B 88 HD   Woods TW-6 Woods Rebel CV SE Slip ons Joe Noonan 01 FXSTB H-D of Rocklin
70 89 HD 95 HD   Stock CV Stage 1 H-D 2-1 Robert Jensen 99 FXD H-D of Rocklin
70 93 HD 95 HD   SE Stage II EFI Stage II Stock HD 99 FLH HD
71 80 HD 88 HD   Stock EFI Samson Slash-cut Frank McCutchen 99 Road King Seacoast HD
72 78 HD 88 HD   Stock CV Stage 1 Cycle Shack Slip ons Eric
Bartoletti
'03 FXDWG Kinetic Playground
TulsaOK
72 88 HD 95 HD   Stock CV Stage I SE Slip ons HD 99 FXD HD
74 87 HD 88 HD   Stock EFI Power Commander Thunderheader Mike Shute 99 FLHTPI Motown Harley
75 89 HD TC-B 88 HD   Stock CV Thunderslide  Hooker 2-1 Buddy Heller 00 FXST HD Klagenfurt Austria
76 91 HD 95 HD 9.3:1 Andrews TW-44 EFI Power Commander 2 Sampson Fishtails Elliot Forseter 00 FLHRI Olathe Suzuki Olathe Kansas
77 84 HD 88 HD   Stock Mikuni HSR-42 Khrome Werks - 99 FXD Hot Rod Bikes
June 1999
74 77 HD 88 HD   Stock EFI w/SE
Race Fueler
Rinehart True Duel Donald Belanger FLH Spencer's Cycle
Belleville, NJ
76 83 HD 88 HD   Andrews TW-26 EFI w/SE
Race Fueler
Rinehart True Duel Donald Belanger FLH Spencer's Cycle
Belleville, NJ
77 86 HD 88 HD   Stock CV w/Thunderslide V&H Straight Shots w/Power Cones Conrad DeAbreu 01 FXDL Psycho Dyno Man
78 94 HD 95 HD   Andrews TW-37 EFI w V&H V&H Pro Pipe Straycat 99 Road King  
78 100 HD 95 HD   Stock CV 44mm V&H Pro Pipe Bruce Bakken 99 FXDX Twin Cities HD
79 83 HD 88 HD   SE-203 EFI Power Commander White Bros. E-series Mark Cole 99 FLHTCI HD of Rocklin
79 90 HD 95 HD 9.3:1 Andrews TW-37 CV w/Turbulator V&H Straight Shots Chris Alberto 00 FXDWG American Classic Cycles
81 86 HD 88 HD stock SE-211 CV w/Thunderslide Thunderheader Michael Thigpen 03 FXDL Sly Dog Cycles
Baton Rouge, LA
81 90 HD 88 HD   SE-203 Power Commander 2 V&H Pro Pipe Daniel Cushman 99 Road King Spirit HD
Pittsburgh, PA
81 90 HD 88 HD   SE-204 CV Modified SE Slip-ons Terry Bullington 00 FXDWG CyclePath
Kirkland, WA
81 101 HD TC-B 95 HD 9.25:1 . CV Modified CycleShack Slip-on Larry Wakefield 00 FLST Rev-Tek
81 102 HD TC-B 95 HD 10.25:1 Andrews TW-37 S&S Super E Hooker 2-1 Kirk Jarvis 00 FLSTC The Cycle Doctor
82 88 HD 88 HD   Bartels Mikuni HSR-45 Cycle Shack HRB 99 FXD Hot Rod Bikes
June 2000
82 92 HD 88 HD   Andrews TW-37 Mikuni HSR-45 V&H Straight Shots Merle Davis 00 FXSTD Victory Drive
Indianapolis, IN
82 96 HD 95 HD   Andrews TW-50 CV Stage 1 H-D 2-1 Robert Jensen 99 FXD H-D of Rocklin
82 97 HD 95 HD 10.25:1 Woods TW-6 EFI HD Stage 2
w/Power Commander
Thunderheader Bruce Reid 00 FLHRI R&E Engineering
82 99 HD 95 HD 10.25:1 SE-203 Mikuni HSR-42 Thunder Header Jeff Stevenson 00 FLHR H-D of Orange County
83 99 HD 95 HD
J Precision
10:1 SE-203 EFI HD Stage 2
w/Power Commander
SE II Slash Cut Dan Evans 01 FLSTFI Future Cycle
Richmond BC
85 98 HD 95 HD SE
owner
10:1  Stock Mikuni HSR-42 V&H Pro Pipe Hank Smedley 99 FXD Bob Dron HD
85 103 HD 95 SE 10.5:1 SE-203 S&S Super E SE Mufflers Larry Donaldson 01 FLHT HD Jamestown, NY
86 101 HD 95 HD 9.3:1 SE-203 EFI HD Stage 2
w/Power Commander
SE Mufflers Grant Thomas 00 FLHTCI Zandi's V-Twin
88 97 HD 88 BC Gerolamy 9.3:1 Andrews TW-37 CV Stage 1 Cycle Shack Slip-on Greg Coen Motors 99 FXD Greg Coen Motors
88 103 HD 95 HD 10.5:1 SE-203 S&S Kerker Tom Mordas 99 Road King Hartford HD
88 103 HD 95 HD
Horsepower Inc
10.5:1 Woods TW6 HD EFI w/Powercommander Rinehart Kevin Miller 05 FXDWG Horsepower Inc 
Erie, PA
91 95 HD 95 Screamin Eagle 10.5:1 Andrews TW-60 EFI PowerCommander 2 Kerker with Mikuni Inserts Dennis Collins 00 FLHRCI Carl's Speed Shop
91 99 HD TC-B 95 HD Modified   Andrews TW-60 EFI Power Commander Bub Bad Dogs Len Hall 01 FLTRI HD of Prince George
91 100 HD TC-B 95 Screamin Eagle 10:1 SE-203 SE CV 44mm Thunderheader Martin Perez 00 FLSTF Hacienda HD
91 102 HD 95 Deweys
Custom

Farmington, NM
10.3:1 TW-37G Mikuni HSR-42 Cycle Shack Mufflers Deweys Custom 02 FXD Four Corners HD
92 96 HD TC-B 95 Screamin Eagle 10:1 SE-251 EFI SE 2 Slip-on Robert McPherson 02 Heritage HD Fairfax
92 100 HD TC-B 95 Screamin Eagle 10:1 SE-211 SE CV 44mm SE 2 Slip-on Glenn Mills 00 FLSTF Dyno Run
92 100 HD TC-B 95 Shortblock Charlie 9.6:1 Andrews TW-37B EFI Hooker 2-1 Marcel Caliboso 01 FXSTDI Custom Performance
Phoenix, AZ
92 100 HD TC-B 95 BC Gerolamy 9.3:1 Woods TW-6H SE CV 44mm HD Modified V-Twin Tech 00 FXSTF Chosa's HD
92 103 HD 95 BC Gerolamy 9.3:1 Andrews TW-37 CV Stage 1 Cycle Shack Slip-on Greg Coen Motors 99 FXD Greg Coen Motors
92 103 HD 95 SE 10.5:1 SE-203 Mikuni HSR-42 Thunderheader Lloyd Davis 00 FLHT Bloomington HD
Bloomington, IN
93 102 HD 95 Deweys
Custom

Farmington, NM
10.3:1 TW-37G Mikuni HSR-42 Cycle Shack Mufflers
Modified Baffles
Deweys Custom 02 FXD Four Corners HD
93 105 HD TC-B 95 HD 10:1 SE-257 Mikuni HSR-42 V&H Straight Shots Kyle Clark 00 FXSTF Boswell HD
Madison, TN
94 98 HD 95 HD   SE-203 HD EFI w/ PowerCommander   Fabian Cortez FXSTI Rosa's Cycle 
Long Island, NY
94 109 HD 95 HD 10.25:1 SE-203 SE CV 44mm Samson True Duals Dave Ostrowske 01 FLHR Canton Cycle
95 99 HD 95 BC Gerolamy 9.7:1 Andrews TW-37 EFI BC Gerolamy
Power Commander
Hooker Slip-on Greg Coen Motors 00 FLH Greg Coen Motors
95 104 HD 95 Bill Bishop 10.2:1  S&S 570 Gear Drive HD EFI w/ Powercommander  Thunderheader Chris Ward 01 FLHRI Hawg Quarters
Redford, MI
96 98 HD 95 Patrick Racing   PR-2 EFI Patrick Racing
Power Commander
V&H Pro Pipe Patrick Racing 99 FLH July 01 Hot Rod Bike
97 98 HD 95 HD
Reed Racing
10:1 Andrews TW-55 EFI BC Gerolomy Power Commander   Bill Shaffran 99 Road King Flash Engineering
97 101 HD 95 Branch 10.5:1 S&S 585 Mikuni HSR-42 SE II Slip ons Ken Bailey 01 FXDL EB Cycle
Monroe, MI
97 103 HD 95 BC Gerolamy 9.8:1 Andrews TW-50 CV w/Yost Cycle Shack Slip-on Greg Coen Motors 99 FXDWG Greg Coen Motors
98 103 HD TC-B 95 HD 10.25:1 SE-257 Mikuni HSR-42 White Bros. E-series Ron Douglas 00 FXSTNT Custom Performance
Phenoix, AZ
98 108 HD 95 Johnson Engine Tech (JET) 10.25:1 Andrews TW-50 SE CV 44mm V&H Sraight Shots Jim Reed 99 FXDL Johnson Engine Technology
100 99 HD TC-B 95 Screamin Eagle 10:1 SE-S11 SE CV 44mm ThunderHeader John Ferry 00 FXSTD Rolling Thunder
100 102 HD TC-B 95 Head Quarters 10.25:1 HQ-33 SE CV 44mm V&H Pro-Pipe 2-1 Kevin Goose 00 FXSTC Fast Lane Cycles
100 101 HD 95 BC Gerolomy 10.5:1 Andrews TW-55 S&S Super G Thunderheader Hap Ruhlman 00 FXDX Custom Performance Phoenix, AZ
100 105 HD 95 Screamin Eagle 10:1 S&S 570G Stage 2 EFI PowerCommander White Bros. E-series Tom Kelly 99 FLHRCI Thunder Mfg. Phoenix, AZ
100 110 HD 95 HD ported 10.5:1 Andrews TW-60 EFI PowerCommander Thunderheader Paul Boyd 99 FLHRCI Eagle Cycle
Houston, TX
101 102 HD 95 EB Cycle 10:1 HQ 0033 Mikuni HSR-42 2-1 Dave Sandy 99 FLHT EB Cycle
Monroe, MI
101 104 HD 95 Screamin Eagle 10.5:1 SE-257 Mikuni HSR-42 V&H Pro-Pipe "DaPrez" Frame 00 FXDL Kinetic Playground
Tulsa, OK
101 105 HD 95 HD
by owner
9.8:1 Woods TW-6H Mikuni HSR-42 Cycle Shack Slip-ons David Furedy 00 FXDWG Rolling Thunder
101 107 HD 95 Headquarters 10.25:1   HQ 33 SE CV 44mm V&H Pro-pipe Jeff WInter 99 FLHR Victory Drive
Indianapolis, IN
101 112 HD 95 Branch   Andrews TW-60 Mikuni HSR-42 Thunderheader L. Deleski 99 FXD Dyno
101 114 HD 95 Head Quarters 10.5:1  HQ-33  HSR-42 Thunderheader Rob Holcomb 2001 FLSTF Outpost HD
Pueblo, CO
102 102 HD 95 CycleRama 9.5:1 CycleRama CycleRama SuperTrapp Slip-on   02 Road King CycleRama
102 103 HD 95 SE HTCC 10.5:1 SE-211 HSR-42 Bassani Pro Street Dave Cote 02 FXSTB Racers Edge
Las Vegas, NV
103 100 HD 88 Wildwood
HD
9.3:1 SE-203 AeroCharger w/CV AeroCharger Mike West 00 FXD Baldhill Hawgbarn
Hemlock, NY
103 105 HD 88 SE 10.5:1 S&S 585G S&S Super G Cycle Shack Rawlston 99 FXDX JR's Hawghouse
104 95 HD 95 Wildwood
HD
10.8:1 TW-60 Mikuni HSR-42 ProBack White Bros. E-series Tony Salters 99 FXDL Wildwood Dyno
104 101 HD 95 Edlebrock HD   Edlebrock 1748 Qwiksilver 40mm H.P. Racing Edlebrock 99 FXDL Edlebrock Dyno
104 104 HD 95 Screamin Eagle 10.5:1 SE-211 SE CV 44mm White Bros. E-series Gregg Lucci 00 FLTR Motor City HD
104 106 HD 95 SE HTCC 10.25:1  SE 211 HSR-45 Thunderheader Brian Grosser 01 FXSTD American HD
Ann Arbor, MI
105 93 HD 95 American Twin 9.8:1 SE-203 OEM CV rejetted Kerker 2-1 Skip Lamb 01 FXSTD American Twin
LaGrange, GA
105 101 HD 95 Bill Bishop 10.8:1 TW-60 w/gear drive HD EFI w/ PowerCommander V&H Pro-Pipe Butch Borski 00 FLHTCUI Hawg Quarters
Redford, MI
105 102 HD 95 Screamin Eagle 10.5:1 SE-257 HSR-42 White Bros. E-series 18 disks Tom Casey 02 FXDX DynoMike
Stuart, FL
105 106 HD 95 HD Dewey's Custom 10.5:1 TW-55G HSR-42 Cycle Shack Slip-on
modified baffle
Dewey Jelen 02 FXD 4-Corners HD
105 107 HD 95 HD HTCC 10.25:1 SE-211 HSR-45 Thunderheader Tony Semple 01 FLSTF American HD
Ann Arbor, MI
106 97 HD 95 HD Powell Performance  10.5:1 TW-60 S&S Super G w/Thunderjet SE Slip-on Rich Gibson 00 FXDWG Kegel MC
106 105 HD 95 HD R&R Cycle  10.7:1 Andrews TW-60 Mikuni HSR-45 Python 3 Bob Zajac 00 FXDL R&R Cycles
106 115 HD 103 SE Ported 10.5:1 SE-258 S&S Super G w/Thunderjet Thunderheader Todd Dearinger 00 FLHR Downtown HD
Seatle WA
107 100 HD 95 Branch  10.5:1 Flowmetrics TC-55 Mikuni HSR-45 White Bros. E-series Gordy Kierstead 99 Road Glide Seacost HD
107 103 HD 95 Baisley   Woods TW-9B Wood Prowler V&H Pro-pipe Chip Larkin 99 FXDWG Dyno
107 111 HD 95 John Sachs 9.9:1   TW-50 Mikuni HSR-42 Thunderheader Steve Coreless 99 Road King Gilardi's Custom
Ft. Lauderdale, FL
108 102 HD 95 Bill Bishop 11.4:1   Bill Bishop Special Modified SE 44mm Thunderheader Jim Ingalls 01 FXDWG Hawg Quarters
Redford, MI
108 106 HD 95 Victory Drive 10:1   SE 211 Holley 2 Barrel While Bros E-series Wayne Piepenbrok 00 FLHTC Victory Drive
Indianapolis, IN
108 119 HD 103 SE 10:1   SE 211 EFI BC Gerolomy w/ Power Commander Thunderheader Roy Nicholson 00 FLHTCI American HD
Ann Arbor, MI
109 105 HD 95 Bill Bishop 11.3:1   Andrews TW-60 SE CV 44mm Thunderheader Billy Decker 01 FLSTF Hawg Quarters
Redford, MI
109 109 HD 95 Eagle HD 10.5:1   SE-257 Mikuni HSR-45 SE Slip-ons Larry Edmundson 00 FXDWG Eagle HD
Lafayette, IN
110 104 HD 95 Screamin Eagle  10.5:1 SE-258 HD Stage 2 EFI
PowerCommander 2
BC Gerolomy Throttle Body
White Bros. E-series Leonard Driscoll 01 Road King Rocklin HD
Rocklin, CA
110 110 HD 103 Screamin Eagle  10.5:1 SE-258 SE Holley White Bros. E-series Harley-Davidson 01 FXD July 01
Hot Rod Bike
110 118 HD 95 CycleRama CNC  10.5:1 TW-50 Mikuni HSR-45 Thunderheader   01 FXD CycleRama
110 138 HD 125 Bill Bishop 10:1   SE-257 HD EFI w/ Powercommander  Thunderheader Jim Brun 99 FLHTCI Hawg Quarters
Redford, MI
111 100 HD 95 BC Gerolomy 10.7:1 Andrews TW-60 S&S Super G w/Thunderjet Bored CycleShack Hap Ruhlman 00 FXDX Custom Performance Phoenix, AZ
113 107 HD 95 Baisley 10.5:1   Wood TW-9B Woods CV 44mm V&H Pro Pipe Chip Larkin 99 FXDWG Solid Performance
113 127 HD 103 Screamin Eagle
Victory Drive
10:1   Woods TW-6H SE CV 44mm V&H Pro Pipe Chris Jackson 01 FXDWG2 Victory Drive
Indianapolis, IN
115 112 HD 95 CycleRama  10.5:1 CycleRama HD EFI
PowerCommander 2
CycleRama   01 Road King CycleRama
115 116 HD 95 John Sachs  10.3:1 Andrews TW-55 Mikuni HSR-42 White Bros. E-series Bill Farris 01 FXD Worldwide Dynamics
118 111 HD 95 SE HTCC 10.5:1 SE-258 HSR-45 White Bros. E-series 16 disk Glenn Mills 02 FLSTF Rolling Thunder
118 118 HD 103 Megaflow 10:1  TW-55 HSR-45 V&H Straight Shots Doug Bliven 01 FXDWG Rosa's Cycle
Huntington, NY
119 113 HD 103 SE 10:1  SE-256 HSR-45 Thunderheader Shawn Dorn 01 FXDWG American HD
Ann Arbor, MI
120 113 HD 101 Eagle HD 11.5:1   SE-258 Mikuni HSR-45 SE Slip-ons Dan Bell 00 FLHRP Eagle HD
Lafayette, IN
120 125 HD 103 Screaming Eagle 11.5:1   SE-257 SE CV 44mm V&H Short Shots
(no baffles)
Aaron Tetzlaff 00 FXD Lacrosse HD
Lacrosse, WI
120 125 HD 116 S&S 11:1  S&S 640-G Woods CV 44mm V&H Pro Pipe Chip Larkin 99 FXDWG Solid Performance
122 122 HD 113 SE HTCC CNC 10.5:1 S&S 640-G SE 50mm Throttle Body V&H Pro Pipe Dennis Manley FLH Motorcycle Machining Specialties
Sacramento, CA
127 135 HD 125 Bill Bishop 10.5:1   SE-258 S&S SuperG V&H Pro-Pipe Pierre LaPorte 00 FLSTF Hawg Quarters
Redford, MI
128 118 HD 95 CycleRama 11:1 CycleRama SE CV 44mm Thunderheader Wes Brown 01 Road King CycleRama
130 134 HD 95 Screamin Eagle 10.5:1   SE-257 SE CV 44mm
Nitrous Oxide
Thunderheader John Suveg 01 FLSTF Stevenson's Cycle
128 135 HD 95 Edelbrock 10.5:1 Edelbrock .619" HSR-45
Nitrous Oxide
2-1 Paul Lessard 01 FXD www.lloydz.com
97 103 HD 95 Edelbrock 10.5:1 Edelbrock .619" HSR-45 2-1 Paul Lessard 01 FXD www.lloydz.com
136 124 HD 95 CycleRama 11:1 CycleRama Mikuni HSR-48 CycleRama Wes Brown 93 FXR TC conversion CycleRama
138 125 HD 107 BC Gerolomy   S&S 640 S&S Super D RB Racing HD of Lynchburg 01 FXD HD of Lynchburg
148 149 Ultima 127 John Sachs    Andrews S&S Super E Sachs John Sachs . Rolling Thunder Dyno
157 137 HD 95 Patrick Racing    PR-2 EMC/ATP
American Turbo Power
ATP John Cabral 99 FLHT July 01
Hot Rod Bike
159 147 HD 107 CycleRama 11:1  CycleRama Mikuni HSR-48 CycleRama Wes Brown 93 FXR TC conversion CycleRama
Pinellas Park, FL
194 200 HD 95 CycleRama 10:1  CycleRama Aerocharger w/40mm CV CycleRama Wayne Pollack 01 Dyna CycleRama
Pinellas Park, FL

Twin Cam Issues

The 2007 96 CID engines are known to have weak crankshaft bearings. For serious performance work these bearing must be replaced with the heavy duty bearings used in the CVO 110 engine. The 110 upgrade kit does not contain these  bearings.
Any 96CID based engine that is going to experience 'severe use' or is expected to produce over 110HP should consider this bearing upgrade. When the OEM bearings have a problem, the engine will experience a catastrophic failure.

If you have a Twin Cam engine manufactured before 2000 you may want to make sure you have the parts listed in the service bulletin below installed in your engine. There are documented problems where the cam bearing support plate and cam bearings fail. This is occurs on stock bikes and modified bikes. If the problem occurs, it can result in catastrophic failure of the cams, cam bearings, cam support plate, cam chain tensioners, blown oil pump and lifters. The fix is very expensive, a failure is even more expensive.

If you have an aftermarket cam shafts, most Harley-Davidson Dealers are not covering this under warranty. There are two repair kits from Harley-Davidson that contain the parts to fix this problem.
Fuel injected models require part number 24984-99.
Carburetor models require part number 24985-99.
There is an extensive list of components is this repair kit including camshafts, cam bearings, cam bearing support plate, cam sprocket, cam chain, cam tensioner, oil pump, hydraulic lifters and gaskets.

A complete description of this problem was published in the December 2000 American Iron Magazine page 28.

Harley-Davidson Service Bulletin M-1100 "Cam Bearing Repair Kits" issued July 10, 2000 defines the problem and repair.

 

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Profession Tuning on a Shade Tree Budget

Veypor VR2 Data Logger and Instrument Panel
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Engine Performance
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TC96 2007 Engines
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EVO 74 HP Stage 2
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EVO 95 HP Stage 3
883 to 1200 Upgrade
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New EFI for EVO and TC

Performance Gallery
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Evolution 80
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Twin Cam 88/95
Evolution Unlimited
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Drag Strip Gallery
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CV Carburetor
Modifying the CV carb
Tuning a CV carb
Camshafts
Selecting a cam
Install a TC 88/95 cam
Install a Big Twin cam
Install Sportster cams

Camshaft Specifications
Twin Cam
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Khrome Werks AR100 test
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Engine Displacement
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The Nightrider Diaries
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Where is Sifton Cams?

Autocom Active-7 tested

Harley-Davidson EFI
-EFI basics explained
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183 HP, 2 carbs, 2680cc

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