This is a video showing valve float in a running engine at high RPM.
Overhead Cam at 14K RPM
This video shows an operational cutaway of a BMW S1000RR — a 193HP
superbike — bumping against its 14,200RPM redline. A cam and valvetrain
at 118 cycles per second is an amazing sight (and sound)
PISTONS @ 10.000RPM
THIS WAS DONE ON A SHIT BACKROAD THAT LEADS TO A FARM NO MOTORBIKES COME
DOWN THIS ROAD UNLESS THEY WANT A SACK OF POTATOES BUT TRY PUTTING THEM ON
.The second part was filmed on a more used road but oil had all gone by
then so stop worrying i ride a bike to you no.
Amazing footage of a set of normal 4 cylinder car pistons moving at normal
speed and more. As a petrol head i no this happens but to actually see the
speed for real is just wicked. My favirite bit is when they look like there
Poor old rover 200
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Eastwood's DIY Polishing and Porting Cylinder Heads Kit
Buy The Kit Here:
In this video, Mark shows how to Polish and Port your Engine Cylinder Heads
and gain up to 10% more HP with Eastwood's Engine Porting Kit!
CYLINDER PORTING & FINISHING KIT offers you the most requested carbide
burrs and abrasive smoothing rolls and tapers used for engine potting and
finishing Your kit includes four different cone and tree-shape
steel-hardened, precision double-cut Carbide Steel 6" long Burrs and 10
each 80 Grit Abrasive Cylinders and Tapers with 2 each 4" and 6" long
R5P7 NASCAR Engine on a Dyno
This is Arrington's R5P7 Dodge NASCAR engine on a Dyno in our shop in
Martinsville, VA. This block and head combo is available in street legal
version over 700 HP, on pump gas.
Video to come once we put it in a test vehicle.
High Perfomance valve spring testing 10K RPM
PAC Racing Springs in-house dynamics testing, utilizing a high performance
SpinTron tester. This video shows a Nascar style performance dual spring.
This spring shows good dynamic behavior even at 10,000 RPMs. The visual
analysis is a useful tool to detect dynamic behavior of valvetrain
components at extreme engine RPMs.