just installed a bigger ram-air filter, iridium spark plugs and a Hondata300 ECU...

1,545

Asked by Nov 18, 2011 at 07:01 AM about the Honda Civic

Question type: Car Customization

just installed a bigger ram-air (Simota), Denso Iridium spark plugs and a Hondata300 tuned ECU...my previous bhp was
120@6350 rpm... anyone have any idea how much more bhp i gained? coz the acceleration and the top speed is a frickin sleeper!
thanks y'all!

10 Answers

215

Which engine? Probably about 130bhp now... the spark plugs will add barely anything, just make the car start better and be more efficient. The induction kit needs a proper place to draw still, cool air from to be effective. And the ECU- is it tuned for your car? Or someone else's?

1 out of 1 people think this is helpful.
1,545

it's a D15Y7 Vtec single-cam...the ECU was tuned at a nearby Honda garage... probably need to adjust gear timings as well...

215

Good engine. A closer-ratio gearbox will work wonders on it. Try the gearbox from a D14-engined car.

1 out of 1 people think this is helpful.
1,545

yeah a good choice indeed...i did add a 4-speed close ratio gearbox and twin-plate idle for smoother revs...

35

u prob gained 5hp if ur lucky if the engine is completely stock with no internal work done its not gonna make that much of a difference besides the way the intake sounds

35

if your ever trying to sell the hondata plz lmk lol

1,545

did some internal work...port and polish, camshaft and headers...

35

o niceee then the hondata was a good choice with the right tuning u will notice a nice difference

1 out of 1 people think this is helpful.
1,545

yeah i agree but there's still some misfires and something's missing...but all in all, it was a great choice...

35

o yeaaa deff bro check ur timing that could def cause a misfire

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