SVO Rev Extender - Ford Mustang Forum
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post #1 of 2 (permalink) Old 03-15-2008 Thread Starter
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SVO Rev Extender

Hey guys I jus got the svo rev extender for my ride and was wondering if anyone has or knows of a link that has the instructions on what the numbers/letters mean? I got it for free from a friend and am real interested in how to use it. I've heard of certain numbers having specific air ratios but I'm not sure which one does what. Any help is appreciated guys.

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Originally Posted by RLG34750 View Post
As a point of reference going from a 290 rwhp car to a 500 rwhp....

will be like riding a 500cc dirt bike and jumping on a "Busa......
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post #2 of 2 (permalink) Old 03-15-2008
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Obviously one is to raise the rev limiter, the other is for the air fuel ratio. I believe the 5 or 6 setting is around 11.5:1, which is pretty rich. You might contact Ford Racing and see if you can get a printout of the instructions.

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