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Old 24 Aug 2009, 07:46 pm
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Join Date: Aug 2007
Posts: 4
Default 2009 civic si questions?

I just bought a new civic si sedan about 2 weeks ago and Im still waiting to finish up the breaking period so judging by what the dealer told me I am shifting at low rpms likes 3-4. But Ive heard that civic si's are high reving cars so when I finish the break-in period what should I should shift at for optimum performance and/or fuel economy. Another question is that I notice theres a shift light, or so i suppose, that comes up on at like 7-8 rpm, are you supposed to hit that every gear? My last question is about the rev hang I hear you can fix that with a new chip or something, is that covered free under the warranty? Thanks for all your help. I want to keep this lil amazing machine running for a long time so any tips and advice will be appreciated.
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Old 24 Aug 2009, 08:01 pm
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Join Date: Apr 2008
Posts: 226

Whoever you heard that they're "high reving cars" an idiot.

Yes, the engine can rev high.

Does that mean that's where you should shift? NO!!!!!!!

Shift the car like you would any other car. Unless you want to sound like a complete idiot, winding your car up in RPM every shift. Which will also get the attention of every cop in the area.

Listen to the people at Honda. Don't listen to people driving their cars like morons.

And no, a chip will not be covered under warranty, and you driving at 7-8k will also not be covered for damages you create.
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Old 24 Aug 2009, 09:01 pm
Join Date: Oct 2007
Posts: 53

Check the Manufacturer Book. It says on which mph you should shift on each gear. The dealer was right according to the factory guide the shifting rpms are 3 - 4K rpm for optimum fuel economy and power balance.

You only need to rev high if you need extra speed to pass a car or just to play with it. But for normal daily driving I usually shift at 3.5K rpm

Hondata FlashPro will get rid of the rev hang. It has the ability to put back to stock your ECU in any case that you need to go back to the dealer. A huge plus for those worry about their manufacturer warranty.

I made this page that I'm adding info over time when I can.

Take a look at it.

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