Looks like a good kit, but it doesn't inclue a few VERY important things:-upgraded ECU - for that extreme a kit, you may want to get something like a standalone AEM or something similar. At the very least, some sort of Spoon/Mugen/HKS/etc chip that is set up to accomodate a turbo. Otherwise you're going to have problems since your ECU isn't going to know where the hell the increased airflow and sudden bursts of power on the top end that make it redline more quickly are coming from.- fuel pump, fuel injectors - increased loads of power = increased fuel consumption, and the stock stuff simply won't be able to keep up.- cams - your stock cams aren't made to keep up with that sort of power, either, and with a chnage to a cam suited for a high-power turbo setup, you'll probably loosen up another 50hp.- valves and lifters - your stock valves will snap in hlaf with that sort of power, and your lifters will have a tough time keeping up. Time to upgrade those, too!- pistons, crankshaft, and connecting rods - stock pistons on Honda engines aren't made for high-horsepower turbo applications. You'll blow pistons, snap connecting rods, and otherwise obliterate the engine if you dare to bump a K20 up to 700+ whp (that's probably over 800 at the crank!) on stock internals. This is NOT a question: you need to have the bottom end done, and this will cost almost as much as the turbo kit itself.- axles - your stock axles will blow pretty quickly, too since you're basically bumping up your horsepower by 400%. You'll need stronger axles.- clutch - you'll need a better clutch than stock... probably a two-plate, multiple-puck design.- Limited slip differential - to get that power to the ground, you'll need to update the stock LSD. It won't be able to handle it either.- Brakes - increased HP = increased speed = you NEED bigger brakes. A lot of tuners overlook this and don't realize how much risk they're putting themselves in.So, basically, at the end of the day, if you want your RSX to be able to wear that turbo in a remotely reliable fashion, you're going to need to save up about $15k for all the parts plus the labor.If you wanna do that then fine, but you *really* do NOT need that much HP for a street car. By the time that you get traction, a Civic with 400hp will have clocked you. I think that the Greddy kit they offer is a better deal - comes with an ECU, makes less HP but is INFINITELY more streetable, and you won't have to do as many invasive upgrades to your engine.EDIT: That's not a bad kit either, but the advantage to the Greddy kit is that it comes with an ECU - which you'd have to buy separate from the Peak Performance kit. With pretty much any turbo kit, at the very least, you need to do the cams, valves, and ECU - ideally, you'd do the pistons, too (they cost about $400 for your engine from a good company) since the surface of the piston needs to be different for turbo/NA applications, as well as the amount of power the engine is taking... you don't HAVE to, but it will get you better power, more torque, and wil lbe more reliable in the long run. Bumping your car up to 300-400 hp will still require additional mods, but it's not going to require you to do a gut-rebuild of your engine like 700hp would.
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16 Nov 2008, 06:31 pm
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