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What a crank-scraper is and other technical info... Some comments on our products...

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 plastic templates for initial fitting and adjustment. Plastic 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.



Copyright 2002-2024 © All rights are reserved on our product designs.

For Pontiac Super Duty racing four cylinder engines, please see the GM Iron Duke entry.

V8: 326, 350, 389, 400

The Pontiac V8 scraper is now a dual scraper design that works on both the downstroke and upstroke of the engine!  $94.95

  This is a picture of the dual scraper that works on the downstroke.

Pontiac 455 4-bolt main Teflon® crank scraper $224.95

This design is available for other strokes and custom cranks.

The pictures below show the first test pattern installed on the engine.  You should use the scraper in combination with the factory windage tray as it was designed to work with it:


Please enquire as to specific mods that will enhance how the stock and aftermarket tray work with the scraper set.

Congratulations Bill Edgeworth:current NHRA record holder for L/SA at -1.49 under the index !

Our scrapers are seen in December 2007 High Performance Pontiac magazine, "Revenge of the 350".  Engine build by Ken "Ace" Brewer from Pacific Performance Racing. Article and photograph by Steve Magnante.

Copyright 2002-2024 © 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.