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What a crank-scraper is and other technical info... Some comments on our products...
 
Alfa-Romeo, AMC, BMC, BMW, Buick, Buick-Rover, Cadillac, Chevrolet, Chrysler/Mopar, Datsun-Nissan, Fiat-Lancia, Ford, GM, Honda/Acura, IHC, Jaguar, Lotus, Mazda, Mercedes, MGA/MGB, Mitsubishi, Oldsmobile, Opel, Pontiac, Porsche, Renault,  Studebaker, Suzuki-Geo, Toyota, Triumph, VW, Volvo

We will try to keep this list updated but if you do not see your engine listed here please ask!  We can provide templates for initial fitting and adjustment. Templates cost $100 and are a separate charge from the scraper pattern chosen.

We have included some representative pictures of the scrapers we make.  If you would like to see a picture of a particular scraper please ask -- we would be more than happy to send one through.

When available (please enquire) our zero-clearance Teflon® scrapers run an additional $130.00 to the cost of the standard steel scraper unless noted.

Remember, your vehicle may have an engine made by a different manufacturer so check both product lines.  If you are still unsure, please contact us.

crankscraper, crank-scraper, crank-scrapper, crank, crankshaft, rod-bearing, main-bearing, connecting-rod, counterweight, piston, windage, windage-tray, windage-cloud, oil pan, oil-pan, oil-aeration, oil-foaming, oil-cloud, racing, drag racing, road racing, drag-race, road-race, road-course, drift, drifting, time-trial, performance, power, horsepower, HP, torque, TQ, friction, vacuum, economy, engine, motor

 

Datsun/Nissan

 

Copyright 2002-2025 © All rights are reserved on our product designs.

Dual scrapers that work on both the upstroke and downstroke of the engine are now available for the L16, L18 and L20B; only $119.95. (We also have patterns for the Z22 and Z24 crank installed in these engines) There are Teflon bladed versions of the scrapers available.

     Teflon® L18 dual scraper

The picture below show an installed upstroke scraper for the L-series:

 

The above picture of an L16 crank has a small arrow pointing to a relieved area from a casting gate on the crank arm.  The scraper can be provided with or without that relief.

       

Here is an example of an installed upstroke pattern for a knife-edged crank:

 

L24, L26, L28, L28 diesel  -- Now there are dual scrapers for these engines that operate on both the upstroke and downstroke.  Only $139.95

Diesel Teflon stroker: 

There are Teflon® versions of these scrapers available for the upstroke scraper.

 Upstroke L28 scraper installed:     

Copyright 2002-2025 © All rights are reserved on our product designs -- a great deal of hard work goes into each one.

Teflon® is a registered trade mark of E.I. du Pont de Nemours and Company. Only DuPont makes Teflon® resin sourced by Ishihara-Johnson Crank Scrapers from authorized DuPont licensees.

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Jean-Claude 1919-2003
A good friend.