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Tracking / Autocross / HPDE / Drifting What these cars were built for! |
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03-30-2015, 10:51 PM | #1 |
AutoX-10/10ths every run
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SCCA Solo Street Modified (SM) Discussion
Ok, so there are now some Street Modified (SM) twins. Let's start a thread discussing where we have gone and where we can go in the class.
Here's my car. Who else is running SM?
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03-31-2015, 11:30 AM | #2 |
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The Following User Says Thank You to mav1178 For This Useful Post: | whataboutbob (03-31-2015) |
03-31-2015, 12:44 PM | #3 |
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Was discussing this with Tim White at Dixie...what a bad discussion to have for your future wallet.
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03-31-2015, 12:53 PM | #4 |
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I approve of this post.
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The Following User Says Thank You to CSG David For This Useful Post: | whataboutbob (03-31-2015) |
03-31-2015, 01:29 PM | #5 |
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Kind of rough giving up 0.4+ per side to the boost buggies. Looks like a fun car, keep at it!
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03-31-2015, 01:55 PM | #6 |
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03-31-2015, 04:00 PM | #7 |
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i have enjoyed the battles that @whataboutbob and i have had so far this year
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#194 SM
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The Following User Says Thank You to itzmik3 For This Useful Post: | whataboutbob (04-01-2015) |
03-31-2015, 04:09 PM | #8 |
i'm sorry, what?
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our local SM champ, who also took 6th at the US national's this year, runs a 400hp+ GC Impreza on 305 hoosiers and probably on an STi drivetrain.
I can't even imagine prepping the FRS to that sort of beast-mode level without dropping serious coin. How do you guys do it??!
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The Following User Says Thank You to 7thgear For This Useful Post: | whataboutbob (04-01-2015) |
03-31-2015, 04:10 PM | #9 | |
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Quote:
Way mild as far as SM is concerned, too soon to tell if nationally competitive. If you want a nationally competitive autocross class car, SM is a tough place to play and still be a daily driver, IMO. For that you still have CS or STX, though. As Bob has proven, STX+ builds can be very competitive locally, though and look like a lot of fun!! If you want a Nationals jacket in the $pend Money class there are other power options vs the stock motor...full built EJ25, 2JZ, 4AG etc... Way more power/torque to be had out there. In SM you can choose any engine/trans from the manufacturer. Being a joint venture build, the twins can get both subie and toyota powerplants , so a lot of options out there! |
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The Following 4 Users Say Thank You to simpleisbest For This Useful Post: | Hostile_Kittens (04-03-2016), itzmik3 (03-31-2015), lamawithonel (07-05-2018), whataboutbob (04-01-2015) |
03-31-2015, 04:10 PM | #10 |
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i definitely agree on a nationals style course that there is a level playing field between the RWD and AWD
there is definitely an advantage off the line for the AWD in the ProSolo series, but it could be course dependent on how much the RWD can chase them down.
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The Following User Says Thank You to itzmik3 For This Useful Post: | whataboutbob (04-01-2015) |
03-31-2015, 04:57 PM | #11 |
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I have a pretty well prepped STX car but I do plan on going to SM eventually, maybe next year.
It takes money and some engineering know-how. I had a 2.5L WRX I built back in 2004 and raced in SM and later put all of it into a 98 RS Coupe body. There is a SM BRZ thread on NASIOC I've kind of kept updated over time and I did mention your car in that one after the Tour results. I have one of the TRD superchargers which was produced, and should be good for roughly 400WHP on E85 with the right pulley. The Harrop S/C coming out is basically the same thing, TVS1320. I have a set of built heads I picked up for a good price and should be able to rev to 8500RPM without too many issues. I'm lacking a built block right now but will keep the 12.5:1 CR. I want to keep my stock engine intact, so I'm basically building a second engine. I decided to go S/C rather than turbo but I believe you could use either. An EFR setup with a 6257/6758 would likely work well. How light have you guys gotten your cars? My old WRX and the GC I built after it had pretty much everything stripped out of it to the limit of the rules. A/C, all radio stuff, seat belts, etc. I'm not ready to do that with my BRZ. I have seats leftover from my old build but they aren't tremendously lighter than the stock seats and certainly much less comfortable. |
The Following User Says Thank You to xwd For This Useful Post: | whataboutbob (09-21-2015) |
03-31-2015, 04:57 PM | #12 |
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Double post.
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03-31-2015, 05:38 PM | #13 | |
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Quote:
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03-31-2015, 06:03 PM | #14 |
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My old GC was around 2690 with a 6 speed transmission, my 2002 WRX was 2830. I was thinking you could get the twins in the high 2400s or low 2500s fully prepped. Once you add things like aero, big wheels/tires, and FI it starts to get a little more difficult though.
I do expect it to be an extremely popular car in the future for SM though along with the RX8. Not sure why no one has built an RX8 yet since you can pick them up for dirt cheap now. |
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