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2018 STU Discussion

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Old Apr 24, 2018, 12:41 PM
  #46  
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Originally Posted by BigT
Without open boost, how much power were you guys gaining going from 93 to 100? With stock boost hardware, I can't imagine the turbo spooling any faster. I'd rather have quicker torque down low on 93 octane with open boost vs 100 on stock boost.
Remember that you are thinking behind the EVO X and not older models...
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Old Apr 25, 2018, 09:49 AM
  #47  
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Originally Posted by Construct
Has anyone retuned for the new boost rules?

I'm not expecting much, if any, real gains. Prior discussion on the topic wasn't promising.
I tried this back in 2012 thinking I could use it as a street tune.
https://www.evolutionm.net/forums/mo...ml#post9895368

tl;dr: almost no difference.
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Old Apr 25, 2018, 11:04 AM
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without manual controls, not worth anything
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Old Apr 25, 2018, 01:54 PM
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Originally Posted by Dallas J
I wont mention who, but I've heard of only regaining the delta lost from fuel change.
I heard that as well
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Old May 7, 2018, 04:18 PM
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I need to replace some aging suspension bushings.

Are any of the rear bumpsteer correction offset bushings legal for STU?
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Old Jun 27, 2018, 09:11 PM
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Registration for Solo Nats opens on Tuesday, who's in for this year?

I'm in for the Pro Finale (if I can get a spot in Tier 2) and Nats.
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Old Jun 28, 2018, 11:18 AM
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Technically not an SCCA member at the moment, but definitely want to put together a letter about the Mini S not being a good fit for STU... helloooo course dependency.
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Old Jun 28, 2018, 12:13 PM
  #53  
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Originally Posted by Butt Dyno
Technically not an SCCA member at the moment, but definitely want to put together a letter about the Mini S not being a good fit for STU... helloooo course dependency.
You can still just supply your old member number (it doesn't really change) and send it with it. If they return it, you know what to do!
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Old Jun 28, 2018, 05:52 PM
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Originally Posted by Jim3142
Registration for Solo Nats opens on Tuesday, who's in for this year?

I'm in for the Pro Finale (if I can get a spot in Tier 2) and Nats.
In for Nats. First timer!
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Old Jun 28, 2018, 06:43 PM
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Im in! Anyone need some SM parts delivered for next years jump?
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Old Jun 29, 2018, 07:31 AM
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so the latest fasttrack is looking at allowing aftermarket intercoolers for just STH - i genuinely don't think the cars need them in autox (track yes) but i do not understand the rationale to allow for STH but not other ST* classes
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Old Jul 2, 2018, 07:40 AM
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Originally Posted by kyoo
so the latest fasttrack is looking at allowing aftermarket intercoolers for just STH - i genuinely don't think the cars need them in autox (track yes) but i do not understand the rationale to allow for STH but not other ST* classes
I haven't followed the STH intercooler proposal. Is it intended for a specific STH-classed car that has intercooler problems? Seems strange to pick a single ST* class for a targeted mod like that.

I also don't think an intercooler would help much for autocross. I'd gladly take the allowance now that I'm also using the car for track days in 100F weather, though.

In STU, I'd still prefer a clutch allowance more than anything else at this point.
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Old Jul 2, 2018, 07:43 AM
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Originally Posted by Construct
I haven't followed the STH intercooler proposal. Is it intended for a specific STH-classed car that has intercooler problems? Seems strange to pick a single ST* class for a targeted mod like that.

I also don't think an intercooler would help much for autocross. I'd gladly take the allowance now that I'm also using the car for track days in 100F weather, though.

In STU, I'd still prefer a clutch allowance more than anything else at this point.
yea weak plastic ends for the fiesta st's i believe. i agree though, not needed for autox from a performance standpoint. i can spray all day long between runs. on the track though...
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Old Jul 2, 2018, 08:06 AM
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At STU mod levels, I wouldnt take the weight hit of putting anything beefier in an Evo so seems irrelevant to me. Alternate boost control methods definitely seems like it needs to be open if they are to give SC open pulleys though.
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Old Jul 2, 2018, 08:59 AM
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Originally Posted by Dallas J
At STU mod levels, I wouldnt take the weight hit of putting anything beefier in an Evo so seems irrelevant to me. Alternate boost control methods definitely seems like it needs to be open if they are to give SC open pulleys though.
the SC open pulleys is for SP, correct me if i'm wrong.
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