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Old 09-28-2010, 11:41 PM   #15 (permalink)
usergone
I have to start over?
 
Join Date: May 2010
Posts: 214

Big inefficient truck - '94 Dodge Ram 2500
90 day: 12.1 mpg (US)

Honda Civic - '84 Honda Civic DX Hatchback
Thanks: 2
Thanked 8 Times in 7 Posts
WOW, I like this idea! I may just go implement this on my truck. I wonder how my numbers would change because I usually use a heavy foot and shift low with my weak engine and heavy truck.

How does the cylinder work? Did you put a spring inside of it, then hook the line on the back to the manifold vacuum?

This seems very similar to a speed governor on a small engine (like a lawn mower). The "throttle" control just pulls more or less on a vane that is pushed on (by oil or air, usually) increasingly at higher speeds, which pulls opposite of the spring, and is hooked directly to the throttle. If you go and manually push open the throttle, it pushes back at you with the increase in speed.
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