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Nightrider.com 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

DEWEY'S CUSTOM
Rammer Performance Air Cleaners
TC Performance Heads 100+HP

Pro Tuning on a Shade Tree Budget

   
Harley-Davidson
Sportster
Engine Performance Dyno Runs
103.1 HP
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Up
Build an 82 HP Stage 3 engine
Build a 95 HP Stage 3 engine
EVO 77 HP
EVO 78 HP
EVO 81 HP
EVO 82 HP
EVO 85 HP
EVO 93 HP
EVO 95 HP
EVO 101 HP
XL 103.1 HP
EVO 112 HP
Performance and Technical information on Stage 3 engines for Harley-Davidson motorcycles.
Drag Racing Performance

1.619 sec. 60 ft
6.938 sec. 1/8 mile
@100.98 MPH

Stage Three Engine Specifications

Year:
Model: XL
Bore: 3.62"
Stroke: 4.32"
Displacement: 89 CID
Cases: H-D
Assembly: James Reeder
Crankshaft and Flywheel: H-D
Heads: H-D
Intake Valves:
Exhaust Valves:
Valve Springs:
Porting:
Compression Ratio: 10.0:1
Pistons:
Cam: Andrews N83
Pushrods:
Carb: Mikuni HSR-45
Carb Jetting Information:
Manifold:
Air Cleaner: 
Ignition:
Ignition Timing:
Coil:
Pipes:

Dyno Tuning Facilities:

100.6 Horsepower @ 5500 RPM
103.1 ft. lbs. Torque @ 4400 RPM
89 CID XL

edxls3h1031_jreader.jpg (24606 bytes)

 

Last updated May 11, 2006
Copyrightę 1996,1997,1998
Stephen P. Mullen
P.O.Box 1085, Oldsmar,FL 34677
All rights reserved
Contact SPMullen@nightrider.com
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The Horsepower Gallery provides an extensive list of bikes , the power they produced and the major engine components.

 

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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
Shovelhead
Sportster
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
Camshafts
Selecting a cam
Install a TC 88/95 cam
Install a Big Twin cam
Install Sportster cams

Camshaft Specifications
Twin Cam
EVO
Shovel
XL


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

SHOP TALK
Shop Manual
Carburetor
Carburetor Troubleshooting
Exhaust
Ignition
Finding Manifold Leaks
Camshafts
Cylinder Heads
Pistons and Cylinders
Clutch
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
Miscellaneous
Performance Calculations
Estimate Horsepower
Estimate 1/4 Mile Time
Estimate Top Speed

Engine Displacement
Exhaust Length
Gear Ratios
MPH at RPM
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 -+-