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Old 15 May 2010, 07:46 pm
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Posts: 382
Default i need a turbo kit for my rsx?

im looking for a website where i can find a complete turbo kit for my 2003 rsx (NOT type s). if it was somewhat inexpensive that would be great. any info about turbo-ing my rsx would be great like other needed upgrades for internals or anything that should be uupgraded to handle the boost. thanks
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Old 15 May 2010, 08:01 pm
Join Date: Nov 2009
Posts: 59

It's not a good idea with the variable timing. You're looking at close to 7-8k installed and an ability to run only low boost (under 10psi) safely. Even then the compression ratio is probably too high for boost and hence running at even 8psi would be somewhat sketchy. If you can afford 8k you can afford a car that's built to take boost (cobalt ss supercharged/ion redline/impreza wrx) just doesn't make sense to do this on an rsx and still have it be slower than any of those 3 cars...and kill the resale value. And if it's an automatic it would just be a dumb thing to do without getting altering the tranny shift points (or using a shift+ or something similar from b&m)...even then most shops don't want to deal with it.
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Old 15 May 2010, 08:16 pm
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Join Date: May 2010
Posts: 5

i'd upgrade to a type-s instead
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Old 15 May 2010, 08:31 pm
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Join Date: Apr 2010
Posts: 23

A friend of mine had about 300whp on his 2003 base RSX with a turbo setup. He ran it for several years without problem. I don't know exactly what he had, but you can check out clubrsx for TONS of information. There's even a base RSX tuning section that can answer all your questions.

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Old 15 May 2010, 08:46 pm
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Join Date: Aug 2008
Posts: 1,017

A good turbo kit, not the junk sold on ebay, will cost you $3000. Rebuilding the engine to take the boost is at least another $3000. Sell the RSX and buy a Mustang.
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  #6 (permalink)  
Old 15 May 2010, 09:01 pm
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Posts: 241

first off, if you are pushing low boost with a small turbo with a stock RSX motor, you do not NEED to build the engine. its always a good idea to build it, just for the peace of mind of knowing that you're engine is a more solid than a brick, but as long as you have a good tune you dont need to do anything to your engine itself. the k20a3, which is the stock RSX motor, is 9.8:1 compression. that is low enough to safely push a little boost.

VTEC has nothing at all to do with whether you should or shoudlnt turbo a car. all VTEC means is that your camshaft is designed for both low RPMs and high RPMs. its easy to tune it accordingly.

before anyone can really help you with yoru questions though, what are your goals in both use and horsepower? are u looking for something fun to zip around town in, do you just want to break the 200HP mark, or are you looking to build a track monster?

if you're just looking for an extra 30-40HP to have a little more fun in, you can SAFELY get a smaller turbo, push about 6 pounds of boost, and hit your goals (for example the greddy kit for the stock RSX is designed for a completely STOCK engine).

if you want to go beyond 200HP, i would suggest building your engine, which should include ARP bolts, eagle/manley rods, and any major brand (CP, wiseco, KMR, etc) of low compression (9:1 comp is best for honda I-4 engines with boost) pistons. you can go with a block guard but their positive and negative effects are a bit debateable. you're looking at another 1500 if you can do all your engine work yoruself.

unless you get a turbo kit from a reputable company that comes with a pre set FMU, you will need to get it tuned. thats another 300 or so.
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Old 15 May 2010, 09:16 pm
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Join Date: Dec 2008
Posts: 118

k series engines do NOT = turbos there compression is already high i suggest building the hell out of it first
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