Originally posted by aw10134 Does anyone know the cheapest way to add 20-25 horse to the 2003 corolla S?
i want the same thing too. probably change the "chip" for fuel & emission control. here's a hint: in the philippines the 2003 corolla is called Altis. It's 1.8L, VVT-i 4 cylinder, DOHC, 16 valve, & here it is 145 hp @ 6,000 rpm & 188 torque @ 4,200 rpm. Please post whatever you guys find out.
you can't chip a corolla. plain and simple...it doesn't work like a european car.
HP is not what's felt off the line, it's overall speed capability(when one factors in the weight of the car as well). if you want stuff you can FEEL, go for a levelten torque converter, intake, and exhaust. those are the best three available to you. they DO add some horsepower as well, but nothing like what a turbo or supercharger would add.
and before you ask, if you're looking for the cheapest way to add horsepower, turbos and superchargers are at least $2k.
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if i was you...i would put intake and exhaust...but thats not going to be alot of HP...and since you have an auto.....drop the tranny down and put a torque converter on...also while the tranny is down..i would put a light flywheel and a lighter driveshaft....this wouldn't give you more hp but it would give you higher revs....BE CARFUL..too light of a flywheel will destroy your low end torque....but in your case i guess that really doesn't matter..
Auto tranny already has you putting down 10 less horsepower to the wheels than a manual at least. Get a CAI and you will be back on level ground.
The whole gammet of bolt-ons should net you around 20-30HP.
CAI, ported Throttle Body, header, turbo CAT, cat-back exhaust, Pulleys, ground wires,poly motor mounts, Uni-chip, etc...
or you could do it in one shot and drop 3 large on a TRD Super charger.
regardless, you have to pay to play. nothing's cheap when it comes to true gains...and if you do it halfassed you're risking blowing your motor(especially with the nitrous on a stock motor).
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i would put intake and exhaust or a shift kit b/c its a auto. DO NOT PUT NITROUS ON IT. u will blow the engine. u can burp the engine and do alot more things.
Guys Guys sorry for the misunderstanding see I don't want a ricer LOL i've got a 748S Ducati for that. Heres the situation. My girl is throttle hungry. from stop shes on it hard till the speed limit I just want to get here there a little faster. don't want to drop the tranny for converter and don't want 2k into a turbo or super charger. I want some good daily driver HP how much do you think is necessary to get rid up the drag and acceleration lag ? 10, 15, 20? and what will it take money wise?? 100, 300, 500, more?
and where is a good place to get all this stuff intake, exaust etc. etc. Thanks again.
I read all the posts and nobody suggested any "rice" as far as I'm concerned.. but if I was to say.. "add some stickers and that will give you some nice HP" I would retract my words.
Like I said before.. its an auto.. you already lost enough power there, no sense in trying to gain it back now.
1985rollasr5: I don't even think they make "shift kits" for corollas and if they did.. its not like its a fuking V8 so it won't make any difference.
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