so i just installed some new Bosch Platinum +2's and i usually hit vtec around 5200 and now it seems to hit it at 5200 but its really weak then by about 6000rpms it hits again... i dunno it doesnt feel right and doesnt seem good??? someone please help and tell me whats wrong?

-thanks

 

Honda engines + Bosch Platinum = poo

Just throw some NGK copper-core plugs in there and it should be good.

 

use ngk nothing else 4 that car.

 

NGK iridium