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The STX thread!

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Old 01-22-2011, 10:16 PM
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lol, good luck with that. The fact that proposals are making it out like this clearly demonstrates a lack of technical understanding and/or oversight. I'm not sure if there aren't enough competent applicants or whether people are being chosen on some other factor than their technical strengths
Old 01-24-2011, 10:39 AM
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Originally Posted by murph1379
Imagine a world where the RX-8 is updated with more power...
...then we wake up.

But yes, I agree, we should write in, and thanks for the clarification on the LSD/BMW connection.
Old 01-28-2011, 10:32 AM
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OK, need some info and I've searched and read all of this I can. I have an '04 6spd and I am interested in running some local STX events on the cheap. I've been out of autocross for about 3 years and last year I ran a Miata with a friend at the Peru Tour and realized how much I miss it. Previously I was nationally competitive in a DS Mazdaspeed Protege.

Here is my question:
Will 245/40/18 tires fit on stock wheels w/o rubbing?

What is the street tire RX-8 owners prefer?

I've noticed a lot of people are going 17", but I have an 18 month old child that takes all my money now, so I was hoping just to mount some street tires and have fun. Maybe hit a tour?

Thanks!
Old 01-28-2011, 10:38 AM
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Originally Posted by cindy42
OK, need some info and I've searched and read all of this I can. I have an '04 6spd and I am interested in running some local STX events on the cheap. I've been out of autocross for about 3 years and last year I ran a Miata with a friend at the Peru Tour and realized how much I miss it. Previously I was nationally competitive in a DS Mazdaspeed Protege.

Here is my question:
Will 245/40/18 tires fit on stock wheels w/o rubbing? Yes.

What is the street tire RX-8 owners prefer? There are 3 popular one's Dunlop Z1 Star Spec, Yokohama Advan AD08, and Bridgestone RE-11. Dunlops are cheapest.

I've noticed a lot of people are going 17", but I have an 18 month old child that takes all my money now, so I was hoping just to mount some street tires and have fun. Maybe hit a tour? 17" wheels and tires are much cheaper and you get a gearing increase. The RPF-1 rims are pretty cheap and you pay for them in the cost savings on 2 sets of tires.

Thanks!
I don't think STX prepping the RX8 is particularly cheap mainly due to the cost benefit of making more power. Most competitive drivers end up having to go pretty expensive on the suspension to make up for the lack of torque/power upgrades available.
Old 01-28-2011, 10:51 AM
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I don't plan on prepping anymore, if I want to be competitive, I'll run my friend's max prepped Miata, I just want to get street tires and not have to change them at events. I completely understand the expense of prepping ST cars, that's why I used to run stock, and that still required race tires, extra wheels. I just want to show up and run for fun.
Old 01-28-2011, 11:29 AM
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Well if 285's will fit on the stock wheels than i'm pretty sure 245's will fit just fine without any rubbing...

Check out the Hankook RS3 or the Dunlop Star Specs.
Old 01-28-2011, 11:38 AM
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Cindy, 245/40/18 would be the size you'd want. And yes, they fit just fine on the stock 18x8" wheels w/o any rubbing.
Originally Posted by TopGear8
Check out the Hankook RS3 or the Dunlop Star Specs.
Agreed on those two tires, however, if she just wants to show up and drive (and will use these autocross tires on the street), I say go for the Dunlop Z1 Star Specs. Great in the wet and dry. The Hankook RS-3's are great in the dry, but only so-so in the wet.
Old 01-28-2011, 11:48 AM
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Ugh, still trying to find a non-sunroof white RX-8. It's like trying to find a needle in a corn field. Anyone thinking about going SP with me this year?
Old 01-28-2011, 12:57 PM
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Thanks! I will be driving these tires all summer, change them in winter. And I do drive my baby in the car, so wet traction is important. I was leaning towards Dunlop or Bridgestone. Dunlop is probably more affordable.
Old 01-28-2011, 01:11 PM
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Originally Posted by Zelse
Ugh, still trying to find a non-sunroof white RX-8. It's like trying to find a needle in a corn field. Anyone thinking about going SP with me this year?
Marc,

Do you plan to do any national events in the car? Once you source a car, I'll be interested in following your SP build on your blog. Good luck!
Originally Posted by cindy42
Thanks! I will be driving these tires all summer, change them in winter. And I do drive my baby in the car, so wet traction is important. I was leaning towards Dunlop or Bridgestone. Dunlop is probably more affordable.
Given those constraints, definitely go with the Dunlops. Good luck!
Old 01-28-2011, 01:37 PM
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Maybe not at first as it'll take some time to tune in suspension settings since I'm going a bit of a different route this time, and will be my first time on R comps too, you know? But probably more towards the middle of the year I'd really like to. We'll have to see! Current specs I have in mind are posted on the blog under project 2 - Serenity if anyone is curious.
Old 01-28-2011, 01:48 PM
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Originally Posted by Zelse
Maybe not at first as it'll take some time to tune in suspension settings since I'm going a bit of a different route this time, and will be my first time on R comps too, you know? But probably more towards the middle of the year I'd really like to. We'll have to see! Current specs I have in mind are posted on the blog under project 2 - Serenity if anyone is curious.
IIRC, the Delaware NT is in June. Depending on where you are development-wise, might be worth bring it out to run against some of the best.

Last edited by chiketkd; 01-28-2011 at 01:51 PM.
Old 01-28-2011, 02:06 PM
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Perhaps. Will have to see where I am along with the build and of course, if I can find the car by then or not. lol
Old 01-28-2011, 03:10 PM
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I just bought some 295 Hoosiers

Might try to play in BSP or SM this year for an event or two...who knows.
Old 01-28-2011, 08:20 PM
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Originally Posted by TopGear8
I just bought some 295 Hoosiers

Might try to play in BSP or SM this year for an event or two...who knows.
Nice. That's going to be a blast!

Depending on whether I keep my RX-8 beyond the end of this year or not, some 18x10's and 285's will be in my future.
Old 01-29-2011, 08:39 AM
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Originally Posted by TeamRX8
I'm tempted to use the "r" word, but it was of no matter since my wing and splitter are already coming off anyway -----> sub-2700# or bust for 2011 is my goal, it's gonna be close ....
Originally Posted by TeamRX8
I'm at 2785# with a full size Optima deep cycle battery, factory & aftermarket aero/appearance bodywork etc.

dropping all of the body work back to stripped Base trim is about 25#, switching to a high capacity Li battery saves 45#, replacing steel shock mounts with Al is several #, lighter wheel/tire package is about 8#, lighter but less durable muffler packing is several #, almost there .... every last legal ounce is coming out

Managed to drop off about 65 lbs total so far with a few more things left to do. Not sure that it will break 2700# now. The full size battery setup weighed less than the manufacturers spec, so I only saved 38# rather than 45#, leaving me another 7 lbs to make up else where. Think I will only get another 10 lbs or so which would leave me near 2715# on a low tank ....
Old 01-29-2011, 08:45 AM
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Originally Posted by TopGear8
Well if 295 Hoosier's will fit on the stock wheels than i'm pretty sure 245's will fit just fine without any rubbing...

Check out the Toyo R1Rs.
fixed ...
Old 01-29-2011, 10:09 AM
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Well shoot mark, I'm still at 2880...I got some catching up to do..
Old 01-29-2011, 11:12 AM
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well, at least by running STX trim in SP or SM nobody will question why you're not winning
Old 01-29-2011, 11:30 AM
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You just put a smile on my face every day
Old 01-31-2011, 04:40 PM
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Good update Mark, thanks for posting. Too bad about not breaking into the 26s, but 2710 still is pretty good.

Interesting comment about the Toyos.
Old 02-03-2011, 12:20 PM
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Mazdaspeed wings are legal correct?
Old 02-03-2011, 02:26 PM
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Originally Posted by TopGear8
Mazdaspeed wings are legal correct?
Correct. They are listed in the Mazda accessories catalog for the RX-8.
Old 02-03-2011, 02:39 PM
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I know Finish Line Performance (Rosenthal Mazda) only sells Factory parts & accessories and the Mazdaspeed wing is listed on their site:

http://www.finishlineperformance.com...me.php?cat=254

(RX-8 -> Accessories -> Mazdaspeed -> Mazdaspeed Spoiler)
Old 02-05-2011, 12:46 PM
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^Thanks Chike, I might pick one up if I can find one used. Not trying to pay more for one than I did for my APR wing.

On another note, what pressures would you guys recommend starting out with on some 295 Hoosiers on 18x9.5's? I've raced on Hoosiers before but never messed with pressures or owned a pair.


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