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I Have A 02 Civic Si It Has 55000 Miles But Its Not Fast Enough I've Raced With The Same Cars And They Are Stock And They Still Beat Me I Took It To The Dealer They Told Me That I Had To Do The Injection Service I Didnt Do It Thinking The Car Is To New To Do That Kind Of Service Allreday, Anyways If Someone Could Give Some Tips On What Should I Do To Improve The Performance On My Car And Make It Faster

 
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You can do a lot of things. First of all.

You mentioned you raced the same exact car and you kept losing.

How do you drive? Are you experienced in drag race driving?

And all cars are different so you might've just gotten a bad bean.

You can go turbo or hit the bottle.

And you can always go with an I/H/E but check with your warrenty first even though it shouldnt void it or if you dont care then that's fine.

And last. The motor you got isnt all that fast. I mean it's a good motor but I beleive that is the same motor in the base model RSX.

If you really got the money an RSX motor would be really good but isnt nessecary.

Just save some money and boost your car and you'll love it.

 
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but dont you think that if i kept lossing with the same car something's wrong with the car a friend of mine, he races cars too and he lost also i feel that the car can give more cause i hear it but it sounds too forced you know. how about if i install an air intake would that help?? or something else besides turbo?

 
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There could be something wrong. Maybe. ALl cars are built differently, as in not all the same power.

Why dont you guys do this. Why dont you drive his car and let him drive your car, then race.

Tell me who wins.

And as for an intake. it wont really do much. Not enough to make you win. But just get a intake/header/exhaust and that'll free up some HP that's getting restricted. As for the intake you dont need a $300 intake.. Just get a cheap CAI from ebay or something. same difference.

And if you really dont want to boost then You could always hit the bottle too.

 
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Yea a nice 50 shot of a zex wet kit will def get your tires moving and is safe to use as long as you know the right things to check

 
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are you racing an 02 si and you are losing??? how bad. by a second or less or more... like the other guys have said either boost or nos... bolt on mods is only going to help a bit....

 
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well the last time i raced was against a 94 acura integra he has intake and exhaust i won but not for that much maybe i beat him for a fender, i thik the problem is how i race it, i shift maybe at 6000 rpm someone told me to do it at 5500, i dont know help me out on this one

 
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when i race i shift at about 7000 to 7500 rpm in my 00 si and it seems to keep the power band up ther enough till the next gear

 
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I also tend to shift my 00 SiR around 7500 RPM. The VTEC change over isn't til around 5400 or 5500 I think. I also only have bolt on mods but have never lost to another civic that wasn't boosting or on the bottle.

 
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I used to have an 02 si, stock i ran 15.79, if you are racing the same car another 02 si make sure you guys are coming off the like at the same rpms, also if hes dumoing the clutch and you are slitghly feathering the clutch that could make a difference, tire tread and depth could make the difference there are a lot of different factors.

nice car though i miss mine we had a lto fo fun together