What classes can an EVO be entered in? Of those classes, what modifications are allowed in each class?

I have a list of mods that I want to buy, but I would rather scratch one or two items off my list and be in a lower class than get bumped up to a class with heavily modified vehicles.

 

http://www.moutons.org/sccasolo/index.html

never mind, i'm tired and didn't read it right. just look through there and it'll list the different mods in each class. plus it may vary by whoever is organizing the race or it may have changed since this was written.

edit twice for not reading right.

 

Also, check out www.phillyscca.com for a complete break down of the classes. Stock Evos are currently running in A-Stock along with Stis mostly. Slightly modified ones, like mine, run in E-Street Prepared. This class has a variety of cars, i.e. Firebirds, Stis, S2000s.

edited: Evos aren't in HS, the regular Lancer is -UK

 

Autocross classes where the Evo might potentially run (currently):

AS: A Stock
STU: Street Touring Ultra
ESP: E Street Prepared
SM: Street Modified

(There are others, like SM2, AP, EM, and AM, where the Evo might be allowed to run, but as the car would generally be uncompetitive in those classes, I won't get into those...)

As an oversimplification, AS allows tires, shocks, a catback exhaust, brake pads, air filter, spark plugs, and a front swaybar change, and very little else.

STU & ESP are very similar to each other, but with some important differences. Most bolt-on modifications are permitted. STU requires "street tires" with treadwear rating 140 or greater, of width 245 or smaller. STU requires a catalytic converter. ESP requires stock brake calipers and one-piece rotors; STU allows replacement calipers and two-piece rotors. Neither class allows any changes to boost control (or BOVs). Neither class allows significant internal engine modifications.

SM allows a lot of freedom. Engine, transmission, and brakes are practically unrestricted. The suspension is unrestricted as long as it uses the stock attachment points (to the chassis). The interior must remain complete, except that the back seat (and associated hardware like seat belts and retractors) may be removed. The hood and front fenders can be replaced. Chassis bracing is prohibited with only a few specific exceptions.


If you have specific questions about specific mods which aren't answered anywhere, go ahead and ask about them, or buy the Solo 2 rulebook.

 

I got a list for you at this site Autocross rules and how they apply to the EVO

 

Thanks alot guys! Looks like I'd be in SM. Ive been looking at trying autocross ever since I had my 2.5RS and my WRX, but never got around to trying it. Being bumped up to the highest class would probably have me getting my *** handed to me all the time, but I think it will still be fun.

 

http://www.scca-susq.com/

Will help. It is the site for the Susquehanna Region SCCA. They do the autocrosses in Hershey, PA and a few other places. If you want you can PM me your email address and I can pass it on to Alan Pozner. He is active in the region with autocrossing. He also helps instruct at the schools held the saturday before the sunday events.

He will also be at York Mitsubishi for the Meet this friday to talk about autocrossing. He owns and races an Integra and his newest beast is an Evo-RS that he just bought. He should be able to help you out.

-Derek
dmeluzio22@aol.com

 

Yes, it will still be fun, but don't resign yourself to the back of the pack yet.

SM is an interesting class; at the local level, SM probably has the widest variation of car preparation and potential of any class. It's sort of a "catch-all" class for 4-seaters which have engine, suspension, or brake modifications which are not legal in SP or ST.

In the local events I've seen -- and these are really rough numbers -- a local SM field has about 10% "well-prepped" SM cars, about 25% well-prepped SP cars (perhaps with minor mods which push them into SM), about 15% "show cars" (cars with lots of mods which are generally more "show" than "go"), and about 50% of cars which are hopelessly underprepped for the class but are still having fun.

I'd rank a stock Evo behind the first two groups, but ahead of the other 65% of the cars.

 

I don't really care if im competitive or not. I just don't want to be last all the time.

 

I was thinking about moving up to 255/40-17's but it looks like that would automatically put me in SM. I understand what jbrennen is saying, but id still like to stay in STU or ESP if possible.

Of course I just got a bov the other day so I guess id have to take that off to stay in the lower classes.

 

First, you can run any wheels and any DOT-legal tires you want in both ESP and SM. If you can fit them on the car, they are legal. OTOH, STU does have the 245 treadwidth limitation for AWD cars.

And yes, the BOV puts you in SM.

 

I'm gonna try a few events and see how I like it. If it looks like something I can get into, ill sell the bov to keep myself in ESP. Would I be able to replace it with a MR bov since its an OEM part?

 

It depends on how they class the MR. If the MR ends up in ESP, then you can update/backdate the compressor bypass valve (correct terminology is important here )

 

The answer to that is not clear until the MR arrives here and/or is classified in SP. Chances are that the MR will not be separately classed -- it will be allowed to fall under the existing Evo classification. (Unlike for instance the WRX and WRX STi, both of which are classed in ESP, but under separate classifications).

If the MR is simply allowed to fall under the existing Evo classification, then yes, you could swap the MR BOV into a non-MR Evo and be SP legal.

This "update/backdate" of BOVs is something that the DSM guys fought for and won, so you can thank them for that rule.

 

Jack, was there an SEB interpretation on the BOV specifically? I must have missed that. In general, you can't update/backdate individual components of the engine. It needs to be the whole thing or nothing.