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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  do custom stroker or knife-edge crank designs.  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




Copyright 2002-2023 © All rights are reserved on our product designs.

1.4 (T14a Tritec engine) (Portugal and Greece Mini One until 2008) 75mm stroke.  Steel scraper $154.95; Teflon bladed scraper $284.95.  Windage tray $374.95 *(includes drain tubes -- if ordered in combination with a scraper $304.00 as they come with the drain tubes).

1.6 (T16b3 NA and T16b4 Supercharged Tritec engine used in the
2002-2006 R50 Cooper and 2002-2006 R53 Cooper S) 85.8mm stroke.  Steel scraper $154.95; Teflon bladed version $284.95.  Windage tray $374.95 *(includes drain tubes -- if ordered in combination with a scraper $305.00 as they come with the drain tubes). 

* Note:  The scraper and windage tray are developed to work with each other but either can be used alone if desired.  The opening in the screen windage tray for the pickup tube bracket can be closed if a dry sump is installed.  Just let us know at the time the order is placed. A pair of drainage tubes alone (as supplied with the windage tray if purchased without the scraper) is $84.95.

The Tritec engine was a joint effort by Chrysler and Rover (Rover was owned by BMW at the time).  Alejandro Regueiro authored an SAE paper on the development of this engine:  https://www.sae.org/publications/technical-papers/content/2001-01-0330/

Below are pictures of the crank scraper (Teflon version pictured) which includes extended head oil drain tunnels so that the draining oil does not dump directly into the rotating assembly:        One possible knife-edged version:  

These next pictures show the Teflon scraper framework installed in the block; the scraper and windage tray have been developed to work with the popular aftermarket pickup tube baffle:


Windage tray:  

Note: the excellent baffle assembly seen above for the pickup tube is made by RMS.  Contact Jan:





Copyright 2002-2023 © 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.