Hondata

Try pumping 91 octane and octane booster to bump up the octane. Running 89 octane you will be knock limited

Thank you so much for the reply. so just load up the high octane basemap and throw in some 91 octane? should i bother empltying the 89 thats in there? if not I think I can find 93 which ...

I just wanted to add, I am not expecting any crazy increase in hp. I was just hoping to take advantage of the increase airflow into and out of the engine. In the future I plan to turbo and run about 7psi until I can get some forged internals in it. As of right now I am just panicking I wont have it ...

Alright so I bought my 2003 civic si in February and instantly had mod fever.
The motor is completely stock, I have put a short ram intake on it (aka hot air intake), and a cheap dnamotoring complete exhaust. The headers it came with were very similar to the stock ones but they came together ...