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B: 350, 361,
383, 400 RB:
383, 413, 426, 440 Dual
scraper -- numerous stroker versions
and other variants available!
$79.95
Please let us know if you are
starting with a B or RB block. In some cases the center to
center differences over the main cap fasteners will alter a scraper
design.
These pictures
show the added scraper on a 4.75" stroker we made. The added
blade works on the downstroke.
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Modified Milodon windage tray for big block Mopar: B, RB
Interior directional screening is added to make a dual level tray.
The tray is extensively modified to work in harmony with our dual
scrapers. The core for the windage tray must be supplied (Milodon
part 32000) $199.95 in addition to core.
A special crank scraper is needed to work with this modified tray
$99.95 in steel or
$199.95 for the Teflon bladed version.
Here is a version of the above using a Mopar stock steel tray with
no screening: $99.95 for the scraper and $99.95 for the
modifications to the stock core (core not included)
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Mini rear windage tray for B, RB
During hard acceleration in the big block the oil rushes to the back of the
motor where it can then easily splash up and hit the rotating assembly.
This robs your engine of valuable horsepower and can allow the rear bay rings to
become overloaded with oil -- a prime cause of detonation.
The small tray we make is designed to work with most existing
windage trays and complements the dual crank scraper we manufacture.
It closely hugs the rear most counterweight and helps to shield it
from oil that reaches the back section of the pan. It
incorporates an adjustable scraper to quickly eject any oil that does enter.
The ovoid drain hole matches up to a hole in the scraper pattern;
a small extension shields that hole and directs the ejected oil to
the side of the pan. This extension can be trimmed to fit
within existing windage trays:
Rear of stock pan
$49.95
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Kevin, this is just a note to let you know about the results of
installing the crank scraper on my 440 Chrysler drag car. I won the
first time out with it on the car and the oil pressure has NEVER!! been
this stable while racing, or hard on the brakes. Plus, the car ran the
best E.T. ever in weather that was less than ideal. I can hardly wait to
give it a little tuning.
Thanks for working with me,
Marvin Brautigam
John Shaul runs an Ishihara-Johnson crank scraper in his 1963 Max Wedge
Plymouth
Wilson Martin
of Kingsville, Texas reported that he picked up a shade under 15 hp
at 6275 rpm using our scraper on his stock stroke 440. The
dyno curves began diverging at 2800-2900 rpm. He did a
baseline pull with a CRE girdle and Milodon louvered windage tray in
place. He cannot recommend the CRE girdle highly enough, by
the way.
You can reach CRE at
(309) 266-8084
(CST).
Chenoweth Racing
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