Someone clue me in. I just got bit by the AutoX bug. I am planning on doing more events. I currently have a 05 MCc with the following mods:

Miltek catback, K&N intake, MTH, H&R springs, H-Sport sway bar, M7 USS. Where does that class me?

Also I am thinking of getting a 15 inch wheel/tire combo just for that. Money being tight right now, I am looking for something reasonable. I ran across these:



http://www.sparktecmotorsports.com/tcbm154x100.html

Any opinions?

 

The Sway and intake put you in STS i believe. I'm still a noob too, so someone might come in and correct me, but I'm pretty sure you are gonna be STS.

You should do pretty well too. I have the exact same mods that you have but with a borla exhaust and Konis instead of the milltek and USS. It's been a promising setup.

15s are definitely an excellent choice, and those appear to be good wheels. They are nice and light

 

The chip puts you in F Street Prepared. The rules are here.
http://scca.com/Solo/Index.asp?IdS=0...0&x=050|070&~=

Check out the wheels here in 15x8, you want the 56.1 centerbore.
http://18racing.com/wheel_slipstream.html

 

what about 14.10 ? It says ECU work in STS is allowed?

the NAM write up concerning MINI's in STS says:

 

Looks like Rally might be right about the ECU. Any the how, every time I try to read that document my head begins to hurt.

And I saw the link for 18racing, but the Nippons seem to be a lot cheaper for about the same product. I don't think the 38 offset should be a problem.

 

Does the MTH alter the traction control? DSC or ASC function? If it does FSP if not STS.

14.10.E
1. Reprogrammed ECU may be used in the standard housing.
Traction control parameters may not be altered. Altered
engine controllers may not alter boost levels in forced induction
engines.

 

I'd be more worried about the USS than the rest of the mods for STS. Chassis stiffening like that might toss you somewhere really unpleasant for competition, but if you are just out for fun.. then go with the flow

Of course, organizations other than the SCCA (like BMWCCA) have different rulesets for mods and stuff and you might be just fine there.

As far as the wheels go.. that offset might not be enough, but since I run 16's for autocross and 17's on the street I can't speak to that. Probably fine.

Edit: MTH says it modifies DSC parameters.. so James is right on the money there. That is what ruled out considering MTH for me (I run in STX)

 

I dont know how he has his MTH setup....you can have it not touch the DSC at all....or have it setup to make the DSC occur later than usual.

Does that really put him in FSP? That change doesnt seem like a big deal cause you can just manually turn the DSC completely OFF. So who cares if your ECU-reprogram makes it come on later than usual? Now I'm all confused

I run 15x7 205/50/15's lowered on H&R springs (with a cooper) and my wheels are ET 35 (after spacers). I have no problems on the street or in autocrosses.

 

In some cars you can't disable the traction control by flipping a switch. In the case of the Mini it really wouldn't effect the cars performance. Interesting question.........
I know what the rules say. How do you interpret them in this particular case?

 

My point exactly. My DSC is always off anyway thanks to Ian Auto Up. I think the rules say that's OK.

Bottom line, I will be doing it mostly for fun. I just don't have the budget to chase trophies. I did my first event last weekend running on my street 17's with 215/40/17 AVS100. It was a BMWSCCA event and I took second in Class A and I think I would've been 4th if I ran in class B. I figure a set of slicks and a few more events will make me more competitive. Looks like I will have to give those rims a serious consideration. Thanks for the input.

 

Is it possible to tune the DSC so that it is a desirable thing?

 

Yah....i would say you are good to go in STS as long as you aren't going to be nationally competitive.

The DSC is a non-issue. You better be running with the DSC off anyways. I forgot to turn it off once and it cost me 5 seconds on a 30 second course

The USS *technically* be a problem...but it only stiffens the chassis like a roll cage would, which is allowed in STS. So unless you were competing for some huge trophy, you won't hear any complaints i bet.

I think you could run in STS with a clear concious

 

What about the wheel issue? Can I run 15x6.5?

 

Any wheel up to 7.5" in width, any tire with a treadwear of 140 or greater, width up to and including 225. STS is a street tire class, so I'd look at pricing on Falken Azenis or Hankook Ventus RS2, they should probably be somewhere in the $60-80 range for a 15.

 

just like static said...you will be perfect wheel wise.

It's legal for the STS class, and you wont have any fitment issues due to the width and offest.

 

No slicks then?

 

not if you want to be in STS (street tire class)