Porting Efficiency
05-22-2005, 03:42 PM
#71
Senior Member
Join Date: Jun 2003
Location: Grand Prairie, TX
Posts: 917
Hahahaha, talk about a piece of backyard BDC history for you. 
I am glad I finally got that mount fixed in 2000. The same mount is still in the car to this day; welded solid steel. Works like a champ.
B
B
05-28-2005, 09:31 AM
#72
Senior Member
Join Date: Jun 2004
Location: Germany
Posts: 240
Originally Posted by Lynn E. Hanover' date='May 11 2005, 10:06 PM
Not entirely.
The inside of runners is generally enlarged slightly to form a flater shape like the flat side of a "D".
....
On Paul Yaws site you can see the port face of one of his engines. See the "D" shape?
Lynn E. Hanover
The inside of runners is generally enlarged slightly to form a flater shape like the flat side of a "D".
....
On Paul Yaws site you can see the port face of one of his engines. See the "D" shape?
Lynn E. Hanover
that's interesting!
i always wondered why F1-Intakes are shaped the way they are.
generally the roof, which transports the air to the rear of the car, is rounded. the bottom, which transport the air to the front of the engine, is flat. like Lynn said, a "D"-shape.
that's comparable to our engines: the long part of the runner which ends in the closing edge of the port, and the short side of the runner, which ends in the opening edge.
Schumachers 2001 ferrari:
http://www.wallpaper.net.au/wallpaper/auto...%201024x768.jpg
2004 Ferrari
http://sports.virgilio.it/it/slideshow/ima...30/f2004_04.jpg
interesting thing is, that the intake of the old 2001 car is very round.
the 2004 changed to a very noticable D-Shape.
here is the D-Shaped runner (on the right) from Paul Yaw:
http://www.yawpower.com/pic17.html
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