This is not an actual, physical booklet, but an encrypted PDF file which you can read from any computer or lap-top using “Acrobat Reader”.

    All 1937-73 Harley-Davidson 45” (including W, WL, WLA, WLC, WLD, WLDR, WR, G, GA, GE, &c.) and 1937-48 74 & 80” U-Series flathead engines (including U, UL, UH, ULH, UMG, &c.) use the same return oil pump and the same timed crankcase breather. It’s a good compromise, and works acceptably for stock or mild engines. However, when power or RPM is increased oil control can be addressed by adopting features used in the factory racing engines beginning in 1954 in the KR.
    This product includes specific instructions detailing how to accomplish this. I decided not to just add pages from the 45 & UL service manuals, diagrams of stock motors, pictures of custom bikes, etc. - you already have that information. The product is fairly modest (9,000 words) because it only contains information you'd need for the conversion. It is the best information available, and it does offer helpful hints, calculations, illustrations, comments, observations, data, etc. on this complex subject. If you’ve considered doing this, you should read this before you make any plans, or spend any money. The information applies specifically to Harley-Davidson 1937-73 45” and 74 & 80” flathead engines.
    No welding or complex Bridgeport machine work is needed, this can be done entirely with hand tools at minimal expense.
    I have included the S&S Cycle instructions on breather timing for the OHV big twin knucklehead, panhead and shovelhead engines.

    I guarantee that you’ll find information in this product you’ve never seen before, and that will help you plan and complete your project.
    Consider this: if this product saves you from making even a single mistake or bad purchase, or gives you one new idea, doesn’t that make this purchase worth while? The price is a small fraction of what you’ll have invested in the motor - plan it more intelligently, and get better results.
    This information is not included in any other of my other booklets; click here for other related titles: .

    Please note: this is not a coffee table book, it is intended to be a research tool for those who seriously want to perform this modifiation. It is not a repair manual. If your bike won’t start, leaks, spark plugs foul, &c. my product will not help you. It does not explain how to remove, disassemble, clean or restore the engine. If you do not already have this information do not buy this product. If your engine is stock and you’re pleased with how it runs now, this product is not going to be of much use, although you might find it interesting.

Total price: $9.95. This is not an actual, physical booklet, but an encrypted PDF file which you can read from any computer or lap-top using “Acrobat Reader”.

    The PDF format offers advantages over a printed product: the printed text and illustrations may be zoomed much larger permitting close inspection of fine detail. You can read it anywhere (doctor’s office, train station) on your smart phone or tablet.
    The file will be e-mailed to you within 24 hours of receipt of payment. There is no “hard copy”. There is no “print-out”. There is no tracking number. You must set your e-mail spam filters and preferences to accept mail from jdiamond@optonline.net. If you do not receive the file immediately, the problem is your e-mail. If you don’t understand what this is, don’t purchase it, there are no refunds.

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