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post #1 of 8 (permalink) Old 07-19-2013, 03:27 PM Thread Starter
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Help with classing

So I consider myself to be a newb to auto crossing with only 6 points events under my belt and maybe 4 non points. Any way I am having trouble understanding the classing . My club helped me class my car and I am currently racing in the novice bracket with all the other 1 yr people . They classed my in stf.

First question : what does stf stand for and is this the correct class for my car. Current mods are intake catback exhaust and rear sway bar on all season tires.

Second question: what class are you guys in with your 3.

Third question: where can I find an official guide to help me learn what the different classes are and what mods are allowed in each class .

Final question: Keep in mind this is my daily driver .. What do you recommend for brake pads and rotors .. Stainless brake hoses sitting in my living room right now so I got that part covered . I don't want to change my calipers just yet Either

14' Mazda3/axela corksport short ram intake + 2 1/4" muffler delete.
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post #2 of 8 (permalink) Old 07-19-2013, 10:53 PM
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1. Stands for "Street Touring Fwd" and from the mods you listed you are in the correct class. Get rid of the intake and replace it with stock and hold off on the stainless brake hoses and you would be in RTF or "Road Tire Fwd."

2. I run RTF where the prep level is the same as H-Stock except we are on street tires. Most folks run either RTF or STF with some FSP and HS sprinkled in. Also get better street tires....all seasons suck and tires will be the best "upgrade" you do can.

3. http://www.scca.com/solo/content.cfm?cid=44517 Click on "Solo Rules."

4. I daily my car too and drive it about 500 miles a week. I run EBC Yellow Pads on the front and Hawk HPS rear. Once the rear Hawks wear out I'll probably end up putting Yellows in the back as well. Virtually no noise once broken in, some dust, very good braking power from the Yellows. I wouldn't change your calipers or your rotors. You have a 2.5L hatch that comes with generously sized rotors and good calipers from the factory. A good brake pad with the oem calipers/rotors will give you all the stopping performance you could ever possibly want or need. You'll get little to no return on your money performance wise going with other rotor/calipers. You are on all seasons, take that caliper/rotor money and put it towards a good set of performance rubber man!

Last edited by Adam3s; 07-20-2013 at 09:31 AM.
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post #3 of 8 (permalink) Old 07-20-2013, 02:38 PM
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Yes the intake and brake lines will kick you to STF.

What Adam said on 1-3. And yes, get better rubber! You may want to also consider another set of wheels to put your "racing" tires on. RTF and HS uses stock diameter and width wheels(read rules about offset allowance) with any width tire you want. STF is limited to maximum 7.5" wide wheels with unlimited diameter and offset with a maximum 225 width tire. FSP is unlimited size DOT slick tires and unlimited wheels.

4. I also daily drive my STF prepped 3 about 450 miles a week. I've used HPS front pads and OEM rears for 3 years. Like Adam said there's no need to upgrade the calipers or rotors. I used drilled and slotted rotors thinking I could save a pound, but I would recommend sticking with stock blanks. OEM Mazda3 brakes are well above average. Just upgrade the pads.

Get new tires and race a lot!

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post #4 of 8 (permalink) Old 07-22-2013, 08:49 AM
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My opinion - Use the stock brake pads. My experience with novices and newer drivers that put the pimpy brake pads on is that they have a tendency to slow too much. And it's not like the old days when stock pads sucked and you needed to upgrade to stop better.

It's also like learning to autocross on street tires before going to R-Comps. Learn proper braking technique on the OEM pads before moving to the higher end stuff.

Also, don't forget that your brakes are only as good as the tires. Crappy tires, crappy braking.

OEM on our cars are pretty good. Use them.

2008 New England Region SCCA HS Class Champion
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92HS - 2007 Mazda 3s Sport Sedan -2006 Miata Wheel, 16x6.5, 15lb w/ Hoosier A6 245/45R16 (f) and 225/50R16 (r) MS Accessory Sport Shocks
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post #5 of 8 (permalink) Old 07-22-2013, 09:05 AM
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Quote:
Originally Posted by PZ View Post
My opinion - Use the stock brake pads. My experience with novices and newer drivers that put the pimpy brake pads on is that they have a tendency to slow too much. And it's not like the old days when stock pads sucked and you needed to upgrade to stop better.

It's also like learning to autocross on street tires before going to R-Comps. Learn proper braking technique on the OEM pads before moving to the higher end stuff.

Also, don't forget that your brakes are only as good as the tires. Crappy tires, crappy braking.

OEM on our cars are pretty good. Use them.
I agree with all pionts, except once you upgrade tires you could possibly benefit from better pads. This is, of course, once you get comfortable with at the limit braking. I can take a stock car and carve seconds off a novice's time just by driving closer to the limit. All the mods in the world can't make up for driving talent.

As an example, a gentleman in my area made the jump from STS in a honda civic into STS2 in a Miata several years ago. With his near stock Miata (he hadn't modded much yet) he absolutely blew my doors off. A year later, with the car prepped to the limit of the rule book for our class, he was going to nationals, just like he did in his FWD civic. I'm not ashamed to admit he was a much better driver than I was, or still am for that matter, and I could never get closer than 1.5 to 2 seconds to his times which in AutoX is a lifetime.

All that said, the first 2 years I raced, I went from back of the pack (8-10 seconds behind the class leader) to near front at 1.5 to 2 seconds behind. Keep working on it, and your driving technique will improve dramatically this first year.

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post #6 of 8 (permalink) Old 07-22-2013, 03:10 PM Thread Starter
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Thanks for all the advice guys!

So from what I have read and been hearing I am doing everything the right way. I am for sure not adding or taking away any mods this year. I feel like I am still getting to know my mazda so for me to change something now would just throw me all off .

My big problem at the moment is that I brake to hard too early .. For some reason I don't trust my brakes when it comes down to that moment when you trying to decide to push it to the end and get a good full abs brakeing or just slow down aggressively. My other problem is my tires... They can't keep up with my suspension .. I am improveing with each event that goes by.. I am extremely compeditive with cars like the tc , civics , Celicas , lancer , plain ole' impreza non turbo .. All the people That run the miata's say I am doing things it took them years to do and realize so I think I may just have a natural talent for this stuff but who knows till I compete at other clubs events .. I'm rambleing ....

Mods I plan to add.. EBC yellows front and rear with h and r springs with some adjustable koni's .. Yes yes I know it's an expensive way to go but I have 1200$ saved up so far for them so no worries it's just money .. What's this going to do to my class

Do any of you guys do the mazdaspeed motorsports development parts program

14' Mazda3/axela corksport short ram intake + 2 1/4" muffler delete.
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post #7 of 8 (permalink) Old 07-22-2013, 04:11 PM
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<Deleted> Need to read better


Quote:
Originally Posted by Stickertuner View Post
Do any of you guys do the mazdaspeed motorsports development parts program
Almost all of us do. Easy to sign up and good people to deal with. And getting a few dollars when you do well enough at National Solo events doesn't hurt either.

2008 New England Region SCCA HS Class Champion
2008 New England Region Stirling Moss Championship co-winner.
92HS - 2007 Mazda 3s Sport Sedan -2006 Miata Wheel, 16x6.5, 15lb w/ Hoosier A6 245/45R16 (f) and 225/50R16 (r) MS Accessory Sport Shocks
Slow in - Fast out Fast in - out backwards

Last edited by PZ; 07-23-2013 at 11:05 AM.
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post #8 of 8 (permalink) Old 07-22-2013, 09:45 PM Thread Starter
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Hey I got a few videos on you tube of a practice event we had set up for all the muscle cars in the area to finish up their car show .. I didn't film their cars but I filmed a few of my laps if you wanna check it out .. Search 2010 mazda 3 autocross practice

14' Mazda3/axela corksport short ram intake + 2 1/4" muffler delete.
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