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in the wifes 99 EX i pulled the intake tube off the air box and let it hang in the engine bay to see if i could hear vtec. it suprised me, at 5.5k it made lots of noise, but no noticable gain in power

 

Well if you unplug the sensor, the solenoid and drive it again, you should feel a loss in power, then when you plug it back in and drive, you should feel the gain. If not there's something wrong.

 

yep thats what I did.

 

The reason why you dont hear a sohc vtec engagement is because you are only useing one cam. So the sound that you do get is a very broad crossover sound. And not all B series have a loud vtec engagement. The B16 and the B18c5. the c1 has more of a broad vtec engagment (like the d) and also has two stage vtec.

 

my b16a vtec is loud as ----, i have cold air intake, type-r intak manifold, and dc header, and 2 1/2 exhaust piping, and at 5000 rpm it screams to 8000k...I know yall hate n/a b16's but oh well.

 

hey one way u can improve your vtec "sound" is maybe by upgrading the cams...it would open the valves more.

 

or you could put a turbo on it then it will make all kinds of cool noises. and maybe be fast too.