Thread: Some pictures from the 2005 Reno Rally
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Old 2006-02-03, 10:57 AM   #15
sperry
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Real Name: Scott
Join Date: Nov 2002
Location: Portland, OR
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Car: '09 OBXT, '02 WRX, '96 Miata
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The way out is through
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Quote:
Originally Posted by cody
What's a restrictor? Like a govenor?
It's a steel plate with a hole in it. All the air that enters the motor has to do so through that hole.

Here's the one that NASCAR uses at Daytona and Talledega to keep speeds around 200 mph:

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