Harley-Davidson Modification, Installation, Maintenance and Repair Page

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HD 2007/08 Performance Recommendations

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	Harley Camshaft Specification Tables
HD Twin Cam Engine Builds TC 128 HP 95 CID TC 100HP Street Engine	The basics of Fuel Injection explained
DEWEY'S CUSTOM Rammer Performance Air Cleaners TC Performance Heads 100+HP	Pro Tuning on a Shade Tree Budget

Harley-Davidson Modification, Installation, Maintenance and Repair Index

Here is our collection of modification, upgrade and tuning instructions for Harley-Davidson performance components. These instructional guides provide an extensive amount of information for the installation and maintenance of most of the components you might need for your bike.

[stage modifications] [camshafts] [carburetors] [ignition] [exhaust] [drive train] [cylinder heads] [performance theory] [software downloads] [engine diagrams]

How to build your engine
Engine Type	Extend of Modifications
Twin Cam - Caruburetor	Stage 1	Stage 2 TC 88	Stage 3 TC 88	Stage 2 TC 95	Stage 3 TC 95	TC HP Gallery
Twin Cam - EFI	Stage 1	Stage 2 TC 88	Stage 3 TC 88	Stage 2 TC 95	Stage 3 TC 95	TC HP Gallery
Evolution	Stage 1	Stage 2	Stage 3 bolt on	Stage 3	Stage 4 Big Bore	Evo HP Gallery
Sportster				883 to 1200 Conversion	Stage 4 Unlimited	XL HP Gallery
Shovelhead			Stage 3			Shovel HP Gallery

CAMSHAFT Installation and Specifications
Engine Type	Source of Information
Twin Cam	Install a cam in your TC	Crane	S&S	TC Cam Specs	Jims Special Tools Install Pushrods
Evolution	Install a cam in your EVO	Crane	S&S	EVO Cam Specs	Install Pushrods
Sportster	Install a cam in your XL		S&S	XL Cam Specs	Install Pushrods
Shovelhead	Install a cam in your Shovel	Crane	S&S	Shovel Cam Specs	Install Pushrods
Panhead		Crane	S&S		Install Pushrods
Pushrod Installation		Crane Adjustable Crane Timesaver	S&S Adjustable
Camshaft Basics	Selecting a Cam				Install EVO cam gear on new cam

Carburetors Installation and Tuning
Carburetor Troubleshooting

Carburetor and Electronic Fuel Injection
Type	Throat Size	Installation	Modifying the carb	Tuning
Keihin 40mm CV	1.58"		Keihin CV w/HD parts	Adjust a CV carb
Keihin 40mm CV w/DynoJet Kit	1.58"		89 - 95 EVO 96 - 01 EVO 99 TC 00 -01 TC	See Mods
Screamin' Eagle 44mm CV	1.73"
Mikuni HSR-42	1.65"	HSR-42 EVO and TC		HSR-42 EVO and TC
Mikuni HSR-45	1.77"	HSR-45 EVO and TC		HSR-45 EVO and TC
S&S Super E	1.56"	Super E- EVO Super E - TC		See Install Jetting
S&S Super G	1.75"	Super G- EVO Super G - TC		See Install Jetting
S&S Super B	1.56"	S&S Super B		See Install Jetting
S&S Super D	1.95"			Jetting
DynoJet Powercommander 2/3	NA	97-98 EVO 99-01 FLH 01 FXST		See Install
Vance and Hines Fuel Pack	NA	95-96 EFI 97-00 EFI
V-Thunder Injector Overdrive	NA	95-97 EFI

Ignition Modules, Coils, Electrical and Plug Wires

    Crane HI-4
    Crane HI-4E
    Crane HI-4TC
    Dyna 2000
    Ignition Pickup
    Coil-Single fire
    Coil-Dual Fire
    Plug Wires
    Shift Light
    Spark Plugs
    Fix hard starting on high compression engines

Exhaust Systems

    Exhaust Systems for Evolution
    Exhaust Systems for Twin Cam
    Drag Pipes and Porkers
    Modified Drag Pipe
    Step Drag Pipe

Drive Train

Clutch FAQ
Primary Drive Belt Adjustment

Cylinder Heads, Cylinders and Pistons
By S&S	Engine or Cases	Heads	Big Bore	Crankshaft	Stroker Kits
Twin Cam		TC Rocker Boxes
Evolution	Evo Engine Raising compression and Head Milling	Evo Heads Evo Rocker Boxes Evo head gasket	Evo Big Bore	Big Twin Flywheel Big Twin Rods Big Twin pinion gear	Big Twin Stroker	Big Twin Cam Cover Big Twin Oil Pump Evo Valve Springs
Sportster	XL Cases		XL Big Bore	Big Twin Rods	XL Stroker
Shovelhead	Shovel Engine	Shovel Heads Shovel head gasket		Big Twin Flywheel Big Twin Rods Big Twin pinion gear	Big Twin Stroker	Big Twin Cam Cover Big Twin Oil Pump

Mechanical Assembly Drawings
Component	Twin Cam	Evolution	Sportster	Shovelhead	Typical Assembly	Performance Information
Rocker Box		EVO Rocker Box	XL Rocker Box
Cylinder Head		EVO Heads	XL Heads			Assembly torque Values Compression Ratio Porting Valve Sizes
Intake Manifold		EVO Intake	XL Intake
Cylinder
Pistons		EVO Pistons	XL Pistons			Compression Ratio
Case
Crankshaft
Transmission
Clutch	HD Clutch	HD Clutch	HD Clutch	Typical	Typical
Ignition		EVO Electronic		Shovel Electronic	Electronic

Engine Performance Theory

Motion Software Mini-Dyno Manual

Miscellaneous

    $20 Bike Lift
    What is the best Oil?
    Nitrous Oxide systems
    Voltage Regulator

Performance Calculations

    Performance Calculations
    Exhaust Pipe Designer
    Drag Race Simulator

[stage modifications] [camshafts] [carburetors] [ignition] [exhaust] [drive train] [cylinder heads] [performance theory] [software downloads] [engine diagrams] [top of page]

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Modification, Installation, Maintenance and Tuning Index will help you find most of the information you want on one page.

How to get Professional Tuning Results at home
Testing the Innovate Motorsport LM-1 portable air fuel meter

Profession Tuning on a Shade Tree Budget

Veypor VR2 Data Logger and Instrument Panel
Video Installation and Demo
Purchase VR2

Engine Performance
How to Build a
TC96 2007 Engines
TC88 70HP Stage1
TC95 128HP Stage 3
TC95 100HP Street
TC96 2007 Stage 1/2
EVO 64 HP Stage 1
EVO 74 HP Stage 2
EVO 82 HP Stage 3
EVO 95 HP Stage 3
883 to 1200 Upgrade
Shovelhead Modifications

New EFI for EVO and TC