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

Toyota

1ZZ or 2ZZ scraper

The design has multiple scrapers and directional screening.  Two principal angled scrapers both remove the oil and impart a vector with guidance towards the sump well.  This is so oil can be transported across the engine in opposition to the g-forces trying to make it pool up into bays 3-4 -- the weak point of the OE wetsump design at sustained 1G+. * The pickup as seen below has two 2mm spacers under the strut and base which are included with the kit (spacers are discussed below).  The pickup is normally farther away than it should be from the floor of the sump for competition use.  The net effect of the spacers and thickness of the scraper plate is to lower the pickup by 2mm.  Greater depth is possible.  A 2mm doubling plate is available and recommended for the outside floor of the stock pan (mentioned below).  This will make it much more difficult for road debris or shunts to push the floor of the pan up and close off the lowered oil intake.

$224.95

* This technique is not pulled from the thin air.  Ford, Porsche and Mercedes engineers have all employed it in sump designs.  Here are a couple pictures of it employed in the modern Ford Cobra 4.6 pan: 

Use of the 1ZZ pan is highly recommended.  It needs some slight relief at the windage tray baffle due to the 2ZZ pickup being shifted over and of greater outer diameter.  Always check pickup to pan floor clearances when using a pan for a different engine series -- just a common sense rule of thumb.  If you are using the stock 2ZZ pan, the OE windage tray is eliminated with use of this kit.

Regarding Moroso alloy pans...

There are many people who have purchased the excellent Moroso alloy pan for the 1ZZ or 2ZZ engine.  We make a modified windage tray insert  with suspended directional screening for use in this product.  It can be used with or without our scraper but of course we suggest using the scraper as well.  Please be sure to tell us if this is your plan as there is a modified version of the scraper for use with the pan and/or replacement insert.  Insert price: $149.95  Note that there are two versions of the tray insert depending on which version of Moroso pan you have.

This first version A is a pan manufactured by Moroso exclusively for Monkey Wrench Racing

Some pictures of the insert version A (sitting over our scraper): 

The modified scraper:

Version B is the current Moroso pan sold by Moroso for the ZZ engines:

Moroso tray version B   Insert

1ZZ or 2ZZ pickup depth adjustment kit

Why would I want to do this?

For a pickup to operate optimally, Ford Motorsports recommends .25" to .375" clearance from the pickup opening to the floor of the pan.  Less than this can cause cavitation and loss of oil pressure and more than this can make it more likely that your pickup will ingest air during certain severe driving maneuvers.  In mm those measurements are 6.35 to 9.525.

In checking the height of the pickup opening from the floor of the pan we noted that, for example, the 2ZZ pickup was 11.5mm up from the 2ZZ pan floor we had here and 13.5mm from the 1ZZ pan floor that we purchased new from the dealer and this was not including any thickness at all for gasket material.   Important!  It has been established that Toyota has used different stampings over the years for the 1ZZ and 2ZZ pan so this is something you need to check out on a case by case basis.

This kit consists of 2 sets of precision cut spacers for the pickup mounting flange and the strut which supports it.  The strut spacers include locking tabs which do not intrude into the windage pumping flow from cylinder bay 1 to bay 2.  The spacers are 2mm thick so you can increase the depth by 2mm or 4mm total.  A set of bolts is included.  Clay is included to check the depth of the pickup.  Full instructions with pictures are included of course.

What you will need to have:  Tools to drain, remove and clean the pan, oil pickup and fasteners.  A tube of high quality RTV silicone gasket maker.  A single edge razor blade or X-acto knife.  A ruler.  We recommend obtaining OEM factory oil pump flange gaskets -- you could need as many as three but RTV can be used if you are careful.

Why is the pickup higher in the pan to begin with? 

We believe that Toyota does this to help protect the average driver from him- or herself.  Many times people will hit large objects in the road, jump curbs and so forth without a second thought to possible damage, dents and so on, that could occur.  If it keeps running it must be fine, right? We are presuming that the people that use this kit are those who would always carefully inspect the undercarriage and pan for damage following such an incident, just as any serious racing crew would.  If your pan is dented you should remove and repair or replace it.  The nice thing about this kit is that it will allow you to first establish the existing depth and then to check it later on should road damage occur.

$24.99

Reinforcement plate for the outside bottom of the stock 1ZZ or 2ZZ sump:

  This must be welded onto the pan by the customer.  Helps to minimize the danger of road damage to the immediate pickup area: $24.99

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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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