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Old 21 Aug 2007, 01:54 pm
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Default 1991 honda civic SI?

i just boought this car, after a tune up i would like to make it get up and go a little better, keep the gas mileage but more horse power. what little things can i do to acheive this?
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Old 21 Aug 2007, 01:59 pm
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Reprogram the computer for performance and get yourself a performance air filter.
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Old 21 Aug 2007, 02:04 pm
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Take your exhaust converter off and run 2" pipe all the way to the back with a free flow mufflerGet an after market airbox,Put alittle bigger cam in the engineThese stock cams are detuned for gas mileage.Unhook all the vacuum tubes and disconnect the smog If you don't know how to do this than DON'TYou will never get it started unless the hoses are plug in to the correct vacuum ports and the others blockedInstall after market headers.have you head polished and ported.There are many things to beef the little honda since they were factory cut back for gas mileage
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Old 21 Aug 2007, 02:06 pm
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turbo and nitrous. Thats your only hope to go fast with that kind of car. Oh I see you want to think you are fast. Lower it and put a wing on it and coffee can for a muffler on it.
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Old 21 Aug 2007, 02:10 pm
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drop-in K&N air filter, and a cheap header from ebay. don't bother with exhaust until more serious mods are applied.D16a6 is a good base. you can go as far as your budget allows with that engine...
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