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I have a 2005 civic si (EX) usa. i read about how you can advance timings by turning something 8 to 16 degrees. ANd also whats with the OBD stuff that people talk about, what does that mean?

Any help would greatly be appreciated.

 
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It means dont even fvuck around with that **** mang!!!!!!!!!!!!!

 
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search

 
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and that too

 
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to answer your Q, aftermarket sprocket is the only way on our newer civic.

you can make the valve tighter and seat closer, this will give you more power, but power=wear.

 
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ignition timing = aftermarket ecu, cam timing = adjustable cam gear. neither is required unless you are making at least 50whp over stock (ie turbo or nitrous). obd = onboard vehicle diagnostics, basically a way to regulate how the car works that triggers those check engine lights.

 
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you can change the timing by skipping a tooth on the belt too lol,

kelvin1262003, just don't touch your timing

 
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Don't be a Gearbox, don't mess with your car.

LOL.. Sorry Gearbox... I couldn't resist.

 
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agreed. i know what all this stuff does and I still shouldn't have messed with it.