Get XiED(tm)! Performance Parts

Don't let the Harley heat monster ruin your riding.
Reduce  Engine Surging
Improve Throttle Response
Reduce Engine Ping


HD 2007/2008 Engines

High Heat on 2007/08 HD engines

HD 2007/08 Performance Recommendations

Cool your exhaust temperature with the Wide Band O2 upgrade for 2007/08 HD

Harley Camshaft Specification Tables

HD Twin Cam Engine Builds
TC 128 HP 95 CID
TC 100HP Street Engine

The basics of Fuel Injection explained

Rammer Performance Air Cleaners
TC Performance Heads 100+HP

Pro Tuning on a Shade Tree Budget


DragonSlayer Drag Bike Project

The  mission is to produce through the collective efforts of a group of aftermarket manufactures and dedicated racers, a 2 cylinder V style Pro Stock Motorcycle that has the performance capabilities to compete at a world class level. The technology gained by the project would then be marketed to all racers and custom builders by the respective manufactures at competitive prices.

The target completion date is early spring of 2002. This would give project participants time to build their respective components in the off-season or slow times.

From a manufactures perspective, this project will give manufactures maximum product exposure via the NHRA arena and the projects ability to draw media coverage.

The progress of the project will be monitored on the Internet so that all participants remain involved from start to finish.

Within 2 days of the conception of the project, manufacturers have tentatively committed to the following:
1 chassis
2 sets billet engine cases complete with cranks rods and cylinders
Motor plates and mounts as required
Billet triple trees

Input from experienced teams about clutches, transmissions, cams and other items that are required for a world class race bike is need in order to evaluate and approach the respective manufactures.

The concept that is for a V60 long rod, large bore, short stroke overhead cam engine with a 60 degree offset crank pin. These are requirements to create an even fire motor with the capability of 10,000 RPM. Engine configuration has been fixed as a 4.5" bore by 3.8" stroke engine. Horsepower estimates are adequate to make the bike competitive in NHRA ProStock bike.



Table of Contents
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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

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

Camshaft Specifications
Twin Cam

Exhaust Systems
EVO Exhaust Testing
TC Exhaust Testing
Khrome Werks AR100 test
Making Drag Pipes Work

Shop Manual
Carburetor Troubleshooting
Finding Manifold Leaks
Cylinder Heads
Pistons and Cylinders
Belt Drive
Shop Manual Appendix
$20 Bike Lift
Plug Wires
Spark Plugs
Engine Tuning
Nitrous Oxide
Motor Oil
Stutter Box
General Information
WEB Links
Buy Books and Manuals
Performance Calculations
Estimate Horsepower
Estimate 1/4 Mile Time
Estimate Top Speed

Engine Displacement
Exhaust Length
Gear Ratios
Air Density

The Nightrider Diaries
The ramblings of a genius a, a madman and something in between.

Where is Sifton Cams?

Autocom Active-7 tested

Harley-Davidson EFI
-EFI basics explained
-EFI modifications explained

183 HP, 2 carbs, 2680cc

Copyright 1997-2006  Stephen Mullen, Oldsmar, FL -+-