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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

* The stock windage tray for the B engines NOT using a girdle needs to be clearanced for the Teflon clamping pieces.  We can perform this clearancing for $50 if you wish on your provided new or used stock windage tray.  The girdle equipped B18C series engines have a deeper windage tray that does not require this clearancing.

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.

Honda/Acura

 

Copyright 2002-2022 © All rights are reserved on our product designs.

D-series

Independent dyno testing of the original D16 scraper by Church's in L.A. showed a 1.5 % to 3 % increase in hp depending on RPM.  Many people thought that the massive girdle structure present on the D-series engines would make scrapers redundant -- this is not the case! 

Congratulations to Fred Robertson

Ohio Valley Region STS2 Class Champion 2006, 2007

Our D15/D16 design attaches along the girdle and does not interfere with the closing of the aluminum or steel pans used on these engines.  See photos of D16Y8:

 

These D15/D16 scrapers are also available in Teflon®.  The Teflon® framework does require slight adjustments for clearance in the cast aluminum sump.

Note that we now include a thin version of our original pan rail mounted design so that the D-series engines can have the benefits of a dual scraper that operates on both the downstroke and upstroke of the engine. This pattern does lift the pan slightly and a spacer is included for the opposite pan rail to even out this lift.  RTV or similar product is used to seal the pan.

$84.95 for the steel dual scraper set and $214.95 for the set with the Teflon® bladed downstroke scraper.

D series windage tray option

The windage tray option includes the dual scraper set as well as directional screening around both sides of each bay on both sides of the girdle.

The windage tray shown below has a Teflon® bladed scraper; the exact screening designs will vary depending on what engine and pan combination you will be using. 

Note that we now include a thin version of our original pan rail mounted design so that the D-series engines can have the benefits of a dual scraper that operates on both the downstroke and upstroke of the engine. This pattern does lift the pan slightly and a spacer is included for the opposite pan rail to even out this lift.  RTV or similar product is used to seal the pan.

$309.95 (steel scraper version); $439.95 (Teflon® scraper version)

Boylans with one of the D15 windage setups

  

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Copyright 2002-2022 © 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.