Then it's not restricted, at least not enough to cause any problems. High rpm power loss is often a coil problem. What kind do you have and how old is it? You can test your plug wires with a multimeter set to measure Ohms. If any of your wires measure 20,000 ohms or more, from end to end, replace the set. A good set, like Accel 300+ Race Wires, will be as low as 100 ohms per wire, but stock wires have alot higher resistance.
Take care
~Chris
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Retired Moderator
MustangNet
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JimPorterRacing
RACECAR spelled backwards is RACECAR
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