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What a crank-scraper is and other technical info... Some comments on our products...
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Copyright 2002-2024 © All rights are reserved on our product designs.

Many customers have asked to purchase some of the fine directional steel screening that we use for many of our windage tray products.  This is now available in a 20" by 24" piece (the 20" dimension needs to be parallel to the crankshaft) for $74.95.  This is probably enough for two pans.  The product is shipped rolled and shipping weight is 3 lb.

Ford Cleveland stroker

Updated Mitsubishi 4g69 pattern

Updated Toyota 1ZZ and 2ZZ design allows for the use of ARP fasteners

Cadillac V8

Chevrolet straight six 250

Triumph TR2-TR4a

IHC dual steel V8 crank scraper

Comanche I4: (uses a similar general design as the V8 scraper below) 152 196 Dual scraper

Updated windage tray insert for Iokinetic 2ZZ gPAN3

Windage tray insert for BOE 2ZZ Oil Pan

Ford Kent Engine Teflon Scraper With Directional Screening Panels

Click on image for video:

Ford 351 Cleveland

October 28th, 2022

"Just wanted to say how well your Honda H22 scraper works. Immediately I noticed more steady oil pressure, even with using an accusump. Last Sunday we had a race and the oil cooler developed a leak. We ended the race at just over 50% of oil normal oil level, but the pressure was still “good enough.” Without the scraper it most certainly would have dropped too low. I recommend it to all my Prelude racer friends."

-Ross Shull


We have a windage tray pattern for the Honda K20C1 engine.  The OEM tray has suspended fine mesh directional screening added to the interior to help strip out oil droplets with a minimum of splashing and rebound droplet formation.



Ford V6 SHO 3.0, 3.2   1989-1995 has been updated

The SHO scraper installs on the girdle (or bearing beam)

on the interior of the windage tray; 8mm capscrews and nuts

are supplied to attach the scraper to the girdle.  After checking

the clearances with the rotating assembly, the windage tray

is reinstalled as well as the pickup tube. 

Thank you to SHO enthusiasts Adam Hartlmeier and Kevin Ziemer

for donating a core engine and providing fitment advice!


NEW! Triumph 2500 L6 scraper and directional screening windage tray


New modified Honda-Acura K-Series windage tray


The OEM tray has suspended fine mesh directional screening added to the interior to help strip out oil droplets with a minimum of splashing and rebound droplet formation.  Spacers are provided in case you need to move the tray downward for rod clearance.  It is important that you do not simply use washers on all the attachment points as otherwise the oil draining on the downstroke side will be induced into the tray rather than passing through and beneath it.  The spacers provided are ~3mm thick.  If you need thicker spacers please contact us.


Joe Pinsoneault's AMC AMX 390


SBC directional screening windage tray


Custom BMW M20 stroker engines


Recently installed by a customer in his Datsun 510, L16 engine:

Over the years we have been asked numerous times to provide components to modify the bespoke high-quality aftermarket Raceline alloy sump for the Ford Zetec.

Recently we were asked to modify the windage tray manufactured to replace the no longer available OEM Ford trays.

A picture of this tray in situ is provided below:

You can observe that the leading edge of the tray acts as a type of crank scraper.  We were asked to add suspended directional screening to the interior surface of this tray to lessen the effect of high speed oil droplet impacts rebounding and populating a parasitic windage cloud.

The design was changed and reduced in size to allow room for the screening on the margins and additional drainage area was provided so that the oil stripped from the cloud by the iterated screen louvers would be expeditiously removed. It is mounted in the same manner; the edge of the tray still acts as a de facto scraper.  The additional area on the forward, rear and trailing edges now allows for the under-flow of the original design to return more easily to the cylinder bays and avoid further pumping losses.

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

Updated Oldsmobile 455 Teflon pattern with special oil pump spacer and baffle.  Modified Milodon windage tray also available.


We now have steel and Teflon®-bladed scraper patterns for the Honda B20Axx and B21A and B21A1 engines. 

These engines were different from the later B20B, B20C etc. engines.  The scraper design is very similar to the pattern

for the D series engines which have been successfully used for many years now. 

Congratulations School of Automotive Machinists on winning the Nitrous Class in the 2016 Engine Masters Challenge!


Alfa Romeo V6 3.2 liter Teflon bladed crank scraper

Triple layer windage tray and dual crank scraper for the Jeep Wrangler and Liberty 2.4.  We were asked to

make a version of our very successful SRT4 setup for this application: the longitudinally mounted

Jeep engine.  The oil pickup tube is being held in place by jigs for illustrative purposes and is not included.

Updated Mitsubishi G54B Teflon dual crank scraper

Buick-Rover 215 with 300 Buick crankshaft and attachment points for windage tray

Teflon bladed crank scraper for Rover P76 4.4

Oldsmobile aluminum block 215

The scraper pictured is for a modified version using a Buick 300 crankshaft.  The customer

asked that we leave the attachment points for our Buick-Rover windage tray in place.

Nissan VR38DETT crank scraper

Steel version shown.

Crank scrapers and modified windage trays are also available for the VQ35HR and VQ37VHR

Mopar B and RB big block dual windage trays.  These deep trays are constructed to fit the Moroso 20760 oil pan

and should fit other pans but modifications may be needed.  The trays are designed to work in concert with

other items we make for this engine.  There are variants for engines with remote pickups and larger strokes.

The version below is designed to work with a Keith Black block and 4.15" stroke.

Below is an example of a tray that was developed as an evolution from our many modified Milodon 32000 trays.

It is designed to work with stock Mopar oil pans and the 3.75 stroke. It has additional louvers for drainage.  It has a

heavier flange so that the tray will not be damaged when the pan is removed. Like the above tray, it has a

deflection shield so that the windage from the louvers is deflected towards the sump well.  As with the deep tray

there are openings for down stroke scrapers.  These can be added at no charge to the tray or they can be used

with a special version of our dual scrapers for the B and RB engines.  The opening for the stock pickup tube can be

closed off, of course, and an additional louver added.

Ford Coyote 5.0 modified windage tray and Teflon crank scraper

Toyota 2GRE-FE Modified windage tray and Teflon crank scraper

Volvo B5234T Teflon scraper and windage tray

Volvo B5254T3

Teflon bladed crank scraper and windage tray for Nissan KA24E ARE dry sump.

The scraper includes an indexed spacer.

LS7 steel or Teflon® bladed scrapers now available as well as modified GM LS7 and LS9 windage trays.

Our windage control items helped with the top performing LS engine in the 2013 Amsoil Engine Masters Challenge. http://www.popularhotrodding.com/enginemasters/1309_2013_amsoil_engine_masters_challenge_friday_coverage/viewall.html


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

Contact Information

727 808 8602
Electronic mail
Customer Support: sales@crank-scrapers.com           

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.