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Selecting engine upgrade help

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Old Feb 27, 2009 | 07:29 AM
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Question Selecting engine upgrade help

Hello I am looking to upgrade my Evo X to get it in Auto cross racing where I need more low to mid real power on pump gas, I would do turbo kit, exhaust, intake…etc but won't touch the engine lower internals. I can see lots of option out there such as AMS, Autowerks, Full-Race, Agency Power and ETS, but really don't know which one to go with, also I am really worried about power gain, support, quality and reliability.
Could you help me with this.
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Old Feb 27, 2009 | 07:45 AM
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What class are you planning to run in? All the power mods in the world won't help you if you're in FP competing against cars that are 7-900# lighter than your X.

And if you're just getting into AutoX (no experience at all), you'd find that you need very little engine mods to be successful at a local level.
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Old Feb 27, 2009 | 07:55 AM
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Originally Posted by goofygrin
What class are you planning to run in? All the power mods in the world won't help you if you're in FP competing against cars that are 7-900# lighter than your X.

And if you're just getting into AutoX (no experience at all), you'd find that you need very little engine mods to be successful at a local level.

Thanks for the reply in fact I am looking at the turbo upgrade for now and to have max HP in low and mid with out getting into changing pistons, rods and crank, but don’t mind doing cams and valves work
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Old Feb 27, 2009 | 07:58 AM
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^^ I agree with goofy. Maybe tune and exhaust. Just try it out first, learn how your car operates. Get a feel for everything. Then, if its something you want to stick with, throw some money in.
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Old Feb 27, 2009 | 07:59 AM
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HP isn't super important for AutoX. If you were to get your X to 500HP you'd STILL get beat by a 120hp Miata.

Driver + tires + suspension = WIN for autocross.

And, I'm sorry to say, getting LOW end power out of a 2.0l 4 banger isn't really something that's going to happen. A big turbo upgrade certainly won't help either.
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Old Feb 27, 2009 | 08:17 AM
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Thanks for all replies but still would like to have some inputs on the Brands I am looking at and criteria's I am worried about
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Old Feb 27, 2009 | 08:51 AM
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Srg, I think you're missing the point. Depending on what mods you have to the car, it'll put you in a different class of competition.

You can run stock class, STX, SM, etc.

If you're looking to just go out and have some fun, then mod the car however you like. If you're actually looking to be competitive, you'll have to very carefully plan out the mods to your car depending on what class you decide to compete in.

Having said that, if you want a fun street car to go beat on at an auto-x once in a while, do whatever mods will free up the intake and exhaust flows as much as possible.

I'd something along the lines of the AEM intake, Full-Race exhaust manifold, AMS exhaust elbow/downpipe combo when it becomes available, and some cat-back exhaust.

If you want more power, some Cosworth cams and a turbo upgrade (Garrett is my preference when it becomes available). Of course, you'll need the supporting fuel system upgrades.

For suspension, if you stick to street tires, stock springs/shocks will be okay if you get some camber plates and dial in -3 degrees or more of camber. If you step up to some really stickey tires, some KW suspension.
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Old Feb 27, 2009 | 10:10 AM
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Originally Posted by spdracerut
Srg, I think you're missing the point. Depending on what mods you have to the car, it'll put you in a different class of competition.

You can run stock class, STX, SM, etc.

If you're looking to just go out and have some fun, then mod the car however you like. If you're actually looking to be competitive, you'll have to very carefully plan out the mods to your car depending on what class you decide to compete in.

Having said that, if you want a fun street car to go beat on at an auto-x once in a while, do whatever mods will free up the intake and exhaust flows as much as possible.

I'd something along the lines of the AEM intake, Full-Race exhaust manifold, AMS exhaust elbow/downpipe combo when it becomes available, and some cat-back exhaust.

If you want more power, some Cosworth cams and a turbo upgrade (Garrett is my preference when it becomes available). Of course, you'll need the supporting fuel system upgrades.

For suspension, if you stick to street tires, stock springs/shocks will be okay if you get some camber plates and dial in -3 degrees or more of camber. If you step up to some really stickey tires, some KW suspension.

You are right, I will be using it from time to time and have real fun but not in stock class.
AMS is good brand also have out standing tech support, but yet not having what I am looking for.
Agency Racing have the Garett GT35 kit as well as the dual exhaust system, also could be upgraded for future Hp plan, but don't know a lot about there system .
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Old Feb 27, 2009 | 02:53 PM
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Lost of good info. It depends on how competitive you wish to be. If you dont care about what class you are in and you want to put up a good time, I suggest a premium set of coilovers and wider sticky tires. The advans are good and if you could fit 275s in there with a set of KW^ you are set.
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