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My Automotive Articles | Last update: |
 Combustion chamber shape breathing improvement | Aug. 27, 2010 |
Reground cams | Aug. 24, 2010 |
Adapt a roller tappet from another engine | Aug. 18, 2010 |
Audi power brake vacuum pump | Aug. 18, 2010 |
Play the auto body shop game! | Aug. 1, 2010 |
Density Altitude Calculator, by Dragtimes.com | Jul. 18, 2010 |
V-8 head mill vs. intake manifold mill dimensions (rough draft) | Jul. 12, 2010 |
Adapting a V8 intake manifold from another engine | Apr. 10, 2010 |
Columbia 2-speed rear axle comments | Oct. 10, 2009 |
Intake manifold comments | Oct. 10, 2009 |
Adapting a supercharger to older engines | |
My Harley-Davidson Articles (newest text in Italics) |
Last update: |
Adapting a supercharger to older motorcycle engines | Oct. 9, 2009 |
Big Twin 4 & 5-speed transmission ratios | Jun. 12, 2008 |
KH & Sportster 1956-90 4-speed transmission ratios | Jun. 12, 2008 |
Evo Sportster & Buell 4 & 5-speed transmission ratios | Jun. 12, 2008 |
Identifying casting numbers | Nov. 11, 2007 |
British Transmission Ideas for the Harley-Davidson 45, illustrated | Oct. 26, 2007 |
Identifying panhead head castings | Oct. 14, 2007 |
Indian Chief, Scout & 741 bore & stroke data | May 26, 2007 |
Planning a nitrous-equipped engine | Apr. 17, 2007 |
45 Transmission Torque Plate Ideas (draft copy) | Apr. 1, 2007 |
45, K, KR, XL, UL, V etc. Cam Identification | Mar. 22, 2007 |
Sprung Vs. Unsprung Weight (draft copy) | Jan. 20, 2007 |
Converting H-D Drum Brakes to Dual Leading Shoe | Jan. 20, 2007 |
“Twin Leading Shoe” brakes? What does that mean? | Jan. 20, 2007 |
Flywheel Weight vs. Inertia (draft copy) | Jan. 20, 2007 |
45 “Magnum” Comments, with photos by enigmas | Nov. 24, 2006 |
Connecting Rod vs. Stroke Analysis |
May 8, 2006 |
Sportster Cams (draft copy) | Jan. 31, 2006 |
Re-timing Cams and Pinion Gears |
Jan. 13, 2006 |
Motorcycle Chain Types Explained | Jan. 11, 2006 |
Keihin CV Carburetor diagrams |
Jan. 3, 2006 |
Brain-destroying waste of time | Dec. 24, 2005 |
KR Cam Tables | Oct. 29, 2005 |
Side-Valve Compression Ratio Increase vs. Power | Jan. 14, 2005 |
45 Solo Frame Modification Ideas (draft copy) | Sep. 30, 2004 |
The Otto Cycle: Compression Ratio vs. Efficiency | Mar. 22, 2004 |
Side-Valve Cams by Web-Cam | Jan. 28, 2004 |
1925-29 Model J Motor Data |
Nov. 2, 2003 |
Piston Position as a Percentage of Stroke Length | Mar. 22, 2003 |
Are Harley-Davidsons That Bad? |
Dec. 1, 2002 |
Spark Plug Selection |
Nov. 26, 2002 |
45 Solo Frame Identification |
June 6, 2002 |
Harley-Davidson Thread Sizes |
June 7, 2000 |
Cam Timing vs. Compression Analysis |
Feb. 18, 2001 |
Flywheel Balance Factor Comments |
Oct. 7, 2001 |
My British Motorcycle Articles (newest text in Italics) |
Last Update: |
Adapting a supercharger to older motorcycle engines | Oct. 9, 2009 |
Norton transmission ratio choices |
Jun. 12, 2008 |
BSA A50, A65 & A70 transmission ratio choices |
Jun. 12, 2008 |
BSA A7, A10 & Gold Star transmission ratio choices |
Jun. 12, 2008 |
Yamaha XS1 & XS650 transmission ratio choices |
Jun. 12, 2008 |
“Twin Leading Shoe”? What does that mean? | Oct. 29, 2007 |
Motorcycle chassis design and modification |
Oct. 24, 2007 |
Supercharger installation on older motorcycles | Aug. 4, 2007 |
Amal pre-Monobloc 274, 275, 276 & 289 carburetor data | Jun. 9, 2007 |
“Twin Leading Shoe”? What does that mean? | Jun. 2, 2007 |
Swing-arm modification for racing |
May 31, 2007 |
Improving fork action |
May 10, 2007 |
Norton 400, 500, 600, 650 750 & 828 twin performance comments |
Apr. 26, 2007 |
JRC carburetor use on British motorcycles |
Apr. 12, 2007 |
BSA A50, A65 & A70 unit twin performance comments |
Apr. 6, 2007 |
BSA A7 & A10 pre-unit twin performance comments |
Apr. 6, 2007 |
BSA A75 & Triumph T150, T160 &c. 750 triple comments |
Apr. 1, 2007 |
Convert a single leading shoe drum brake to twin leading shoe | Mar. 23, 2007 |
Motorcycle chain types explained |
Mar. 08, 2006 |
Royal Enfield data |
Jan. 26, 2007 |
Fabricating an aluminum oil tank | Jan. 20, 2007 |
Sprung vs. unsprung weight (draft copy) | Jan. 20, 2007 |
British twin leading shoe brake comments, including Norton | Jan. 20, 2007 |
BSA M20/21 side-valve motor mods | May 15, 2006 |
Amal “GP” data + factory specs, pictures and data as PDF files | May 3, 2006 |
Amal “TT” factory specs, pictures and data | May 2, 2006 |
Brain-destroying waste of time |
Dec. 24, 2005 |
Wal Phillips fuel injector comments | Oct. 10, 2005 |
Triumph “C” Range (350, 500 unit) twin performance comments |
Feb. 7, 2005 |
Useful sites |
TMOSS PORTING, excellent tech articles |
How do harmonic dampers work |
Use Dodge 241” hemi heads to convert 241, 259, 270 315, 325” poly motor to hemi |
KB & Silv-O-Lite pistons home page |
Supercharger or turbo blow-through mods for Holley 4 bbl. |
Mark Williams discusses pinion angles and driveshaft speed |
SU needle decoder & search engine, finds different needles based on the one you have |
Animation of wedge chamber @ overlap (Gordon Blair) |
Animation of hemi chamber @ overlap (Gordon Blair) |
Reading spark plugs |
Champion spark plug nomenclature |
NGK spark plug nomenclature |
Head mill distance vs. chamber CC for many V-8 motors |
Read or download “Carter AFB tuning” (official version from Federal Mogul, in .PDF) |
Pontiac intake manifold pictures |
Many useful on-line calculators (Springs, temperature, volume, acceleration, etc.) |
12” disc brake installation, from “Mopar Action” site |
Download Excel spreadsheet of piston position vs crank angle, courtesy of 451 Jim |
Grape Ape Racing: lots of good stuff, articles, links. |
“Reading & understanding spark plugs”, by Gordon Jennings |
Dynorad: measure your car's HP and torque any time you want! Click to find out more. |
Motor data tables by Stan Weiss, many different brands |
RB Racing's on-line calculators |
Down-load a compression ratio & cylinder pressure calculator (Windows only) |
Data Charts |
Chrysler big block "B" & "RB" 350, 361, 383, 400, 413, 426, 440 bore & stroke |
Chrysler small block "LA" 273, 318, 340, 360 bore & stroke |
Chrysler big block "RB" 413, 426W, 440 rod & stroke choices |
Chrysler big block "B" 350, 361, 383, 400 rod & stroke choices |
Chrysler small block "LA" 273, 318, 340, 360 rod & stroke choices |
Tire size conversion tread width, OD, aspect ratio, etc. |
See these Victory Library booklets |
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