ENGINE PARTS
M&D pipe Zero-Drag Seals
New
for 2010, M&D Design Adjustable Tune Pipe Body with
Integral Muffler & Header Clamp
M&D designs Racing Tuned Pipe 88db
$145.00 plus actual shipping
(No header of Flange Hardware)
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Proven on the dynamometer and on-water to increase mid-range and top-end power on all the Zenoah engines including the new RC 231 and RC260. |
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Length is quickly adjustable to optimize performance for any boat/engine/prop combination |
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Integral muffler, which is self draining and requires no maintenance |
M&D
Designs Racing - Zero Drag Crank Seals
M&D designs Racing - Zero Drag Crank Seals $45.00
We all know that one way to increase the amount of power applied to the water
is to reduce drag wherever possible. For this reason, M&D designs pursued a
replacement for the standard 2-lip rubber crank seals that the G23 uses. Almost
anybody you talk to will tell you that a new engine picks up several hundred
RPM after a gallon or two of gas has gone through it. While it’s true that this
is due to the engine “breaking-in”, a good bit of the “breaking-in” process is
the rubber seal lips loosening their death-grip on the crankshaft!!
For this reason, M&D set out to design a seal suitable
for RC boat racing, and peak performance, but without the mess and air-leaks
that some fixed, close-tolerance seals aim to achieve. The M&D designs Zero
Drag crank seals are the answer! These seals use a fully CNC-machined billet aluminum
outer shell, and a CNC machined bronze element, suspended by a rubber o-ring.
Extensive testing has shown typical gains are approximately
0.2 HP, and 200-300 usable RPMs. The best thing about
these seals is you reduce drag at ALL RPM ranges! There are very few
modifications possible to a 2-cycle engine that give you an increase in torque
and power output across the entire RPM range. This results not only in more top
speed, but also better acceleration, and improved ability to get “on the pipe”.
M&D designs Racing
513-894-6118