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What a crank-scraper is and other technical info...

Some comments on our products...

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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

Mazda

L4: 1.8 BP, 1.8 BPT, 1.6 B6, 1.6 BF Steel version $94.95 Teflon-bladed version $224.95

Note below that the steel version for use with the MBSP is $124.95.

Note: A noted racer has reported back that the Teflon version of the 1.6 B6 scraper is worth 6-7hp all by itself.

Picture of a Teflon® scraper specifically designed for the Capri B6 with steel pan $224.95:

Picture (above) of the steel pan it fits into. [Note that the scraper is wider than the B6 pattern seen for the Miata as the Miata has a curved windage tray that the piece must fit within.]

New!Modified stock windage tray for B6/BF and BP engines in the Mazda Miata/MX-5. Directional screening is added to the floor of the tray to grab flying oil and dissipate its energy. Good core must be supplied or an additional charge of $65.00 is required for a new factory tray. Cost for modification: $204.95 We do not recommend modifying the MBSP because they are no longer available from the dealer.

Before:

BP windage tray in Miata

After:

B6 and BP Miata trays side by side:

B6 version for Miata with steel scraper underneath:

Teflon® B6 scraper for Miata with modified tray:

Teflon® BP scraper for Miata with modified tray:

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BP similar in design to B6/BF

There are many variations of the BP and B6/BF pattern available depending on which style of factory windage tray you have. The top most pattern below was developed for a customer running Carrillo rods.

There are Teflon® versions of the BF/B6 and BP scrapers available.

The 1.6 and 1.8 Teflon versions of the scraper for the Miata with the windage tray (see immediately above pic for the style) run $219.95 but the one for the MBSP runs $254.95.

MBSP Teflon® scraper below:

This MBSP steel pattern below was recently constructed for a type of Carrillo H-beam rod:

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

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