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i have read in older an new thread about the cai giving power because of resonance. how does that increase horsepower.
 

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From my limited knowledge on this topic, I believe it has to do with sound/pressure waves. The resonance tuning helps by having the wave pass the valve at the same time the valve is open to help force that slightly higher pressure air into the cylinder. I believe that this was discussed in the Suck Squish Bang Blow series in the Sport Compact Car Magazine, but I'm not positive on that. Also, If I'm way off on this someone please correct me.
 

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JustinP10 said:
The resonance tuning helps by having the wave pass the valve at the same time the valve is open to help force that slightly higher pressure air into the cylinder. I believe that this was discussed in the Suck Squish Bang Blow series in the Sport Compact Car Magazine, but I'm not positive on that. Also, If I'm way off on this someone please correct me.

You're correct sir.
 
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