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05-22-2019, 06:59 PM | #2126 | |
Scooby Specialist
Member#: 5691
Join Date: Apr 2001
Chapter/Region:
BAIC
Location: Redwood City, CA
Vehicle:2001 2.5 RS Silverthorn |
Quote:
Why wouldn't it be legal? Would it be legal to swap the water after each run? Maybe a more interesting question would be, could you run some crazy antifreeze / dry ice combination?
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05-22-2019, 07:38 PM | #2127 |
Scooby Newbie
Member#: 221439
Join Date: Aug 2009
Chapter/Region:
E. Canada
Location: Quebec, Canada
Vehicle:2004 STI Blue |
15.10 C.2
Except for standard parts as defined in these rules, the external use while on course of liquids, ice, dry ice, refrigeration systems, vaporized compressed gases, etc. to reduce the temperature of the intake air charge is prohibited. Wrapping of intakes with liquid-soaked fabric is not permitted. I guess the important part is "external use" and "while on course". |
05-22-2019, 08:21 PM | #2128 |
Scooby Guru
Member#: 33782
Join Date: Mar 2003
Chapter/Region:
MAIC
Location: Milton Keynes, UK
Vehicle:96 3MI Racing search FIRST, then PM!!! |
What does it say about using intercooler sprayers? I'd use them to spray the heat exchanger. Should help get you back to ambient.
Either that or you dump and swap water after each run...eesh Is a Peltier device considered a "refrigeration system"? |
05-22-2019, 09:25 PM | #2129 |
Scooby Newbie
Member#: 221439
Join Date: Aug 2009
Chapter/Region:
E. Canada
Location: Quebec, Canada
Vehicle:2004 STI Blue |
My understanding is that water spayer are ok if it's a factory setup like the STI. Adding a switch to auto spray based on boost for example would not be allowed.
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05-22-2019, 09:42 PM | #2130 |
Scooby Guru
Member#: 33782
Join Date: Mar 2003
Chapter/Region:
MAIC
Location: Milton Keynes, UK
Vehicle:96 3MI Racing search FIRST, then PM!!! |
Right. I'm saying spray it down between runs.
Couldn't you also argue a point with the factory included auto sprayers (spec c)? |
05-23-2019, 07:59 AM | #2131 |
Scooby Newbie
Member#: 221439
Join Date: Aug 2009
Chapter/Region:
E. Canada
Location: Quebec, Canada
Vehicle:2004 STI Blue |
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05-23-2019, 10:07 PM | #2132 |
Scooby Guru
Member#: 33782
Join Date: Mar 2003
Chapter/Region:
MAIC
Location: Milton Keynes, UK
Vehicle:96 3MI Racing search FIRST, then PM!!! |
Shoot, I lost my U brace in one of my moves. Guess my GD isn't even SM legal haha
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05-28-2019, 09:44 PM | #2133 |
Scooby Guru
Member#: 80649
Join Date: Jan 2005
Chapter/Region:
South East
Location: Columbia, SC
Vehicle:2000 2.5 Auto-X RSTi Sparkly |
Ice in a reservoir between runs is fine. Spraying using the OE USDM button during a run is fine, anything JDM isn't. It'd be impossible to police all the options in other countries across all makers if it were
Also, the U brace is totally going away on the DD STi though because annoying. |
05-29-2019, 02:05 PM | #2134 |
Scooby Newbie
Member#: 221439
Join Date: Aug 2009
Chapter/Region:
E. Canada
Location: Quebec, Canada
Vehicle:2004 STI Blue |
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05-29-2019, 02:30 PM | #2135 |
Scooby Guru
Member#: 80649
Join Date: Jan 2005
Chapter/Region:
South East
Location: Columbia, SC
Vehicle:2000 2.5 Auto-X RSTi Sparkly |
Yeah, I couldn't believe how big it was first time I went to pull the engine on the GD. The GC is so much easier. I get the safety factor of the brace for USDM stuff, but the car without the brace is still much safer than my current DD. And I can actually get to stuff without it there.
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05-29-2019, 03:16 PM | #2136 |
Scooby Guru
Member#: 33782
Join Date: Mar 2003
Chapter/Region:
MAIC
Location: Milton Keynes, UK
Vehicle:96 3MI Racing search FIRST, then PM!!! |
I still want to make my own brace...but that's way down on the list.
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05-30-2019, 08:47 AM | #2137 |
Scooby Newbie
Member#: 221439
Join Date: Aug 2009
Chapter/Region:
E. Canada
Location: Quebec, Canada
Vehicle:2004 STI Blue |
So I could build my own u-brace, make it smaller in front to facilitate work on the car, then ballast it to weight the same as the OEM part. Would it needs to connect both side in the front like stock unit or could I make 2 independent rails that connect all OEM points? Ballast could be placed almost in the middle of the car where the stock unit ends, shifting 20lbs way back on the car. Could be an interesting winter project
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05-30-2019, 10:25 AM | #2138 | |
Scooby Guru
Member#: 80649
Join Date: Jan 2005
Chapter/Region:
South East
Location: Columbia, SC
Vehicle:2000 2.5 Auto-X RSTi Sparkly |
Quote:
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06-04-2019, 05:03 PM | #2139 |
Scooby Newbie
Member#: 221439
Join Date: Aug 2009
Chapter/Region:
E. Canada
Location: Quebec, Canada
Vehicle:2004 STI Blue |
Another one rules. What about louver on the hood? I'm pretty sure I've seen a few SM / SSM car with them. Hood modification is allowed. On the other hand there is a specific rules on Louver in the prepared section, but nothing in street, ST, SP and SM.
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06-04-2019, 05:24 PM | #2140 |
Scooby Guru
Member#: 80649
Join Date: Jan 2005
Chapter/Region:
South East
Location: Columbia, SC
Vehicle:2000 2.5 Auto-X RSTi Sparkly |
There is no limit on vent size with hoods in SM. No one has pushed it to the limit yet (a 1" strip all the way around with the rest open) to force a rule. Mine will have a fair bit of venting and I'm not worried.
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08-12-2019, 10:15 PM | #2141 |
Scooby Newbie
Member#: 221439
Join Date: Aug 2009
Chapter/Region:
E. Canada
Location: Quebec, Canada
Vehicle:2004 STI Blue |
Quick question, for those who have high caster and geometry correction with knuckles, how much camber are you running in front?
I have the wisefab and around 10 degrees of caster and looks like I'm eating the inside of the tire. I'm running 3.2 degrees of camber currently. On the hoosier it's not so bad, but on the RE71 I destroyed the inside of the tire in a few events only. I'll turn it down, but any pointer on how much would help save what's left on my RE71 |
08-13-2019, 08:32 AM | #2142 | |
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Member#: 45323
Join Date: Oct 2003
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MWSOC
Location: Iowa
Vehicle:MY05 Impreza WRX STi Pastelito Racing & SFSOC |
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08-13-2019, 09:21 AM | #2143 |
Scooby Newbie
Member#: 221439
Join Date: Aug 2009
Chapter/Region:
E. Canada
Location: Quebec, Canada
Vehicle:2004 STI Blue |
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08-13-2019, 09:47 AM | #2144 |
Scooby Guru
Member#: 80649
Join Date: Jan 2005
Chapter/Region:
South East
Location: Columbia, SC
Vehicle:2000 2.5 Auto-X RSTi Sparkly |
10 degrees of caster is too much and I'm not sure how you did that without a lot of other modifications besides the uprights. Either way you want 7-8. Caster doesn't eat tires either, it's toe, and when you have negative camber it's the inside. Caster induces camber gain to an extent though.
I'm over 4 degrees in the front at 7 something degrees caster. |
08-13-2019, 11:05 AM | #2145 | |
Scooby Newbie
Member#: 221439
Join Date: Aug 2009
Chapter/Region:
E. Canada
Location: Quebec, Canada
Vehicle:2004 STI Blue |
Quote:
If you add shims between the aluminum control arm and the metal part that goes in the rear bushing you can move the wheel fwd quite a lot. It's a bit like the "free caster mod" on steroid. Then you need to adjust the top plates as far back as possible (I have custom made top plate). On my setup I adjust camber at the knuckle with slots on the coilover bracket, so top plate position is mostly for caster and a bit camber. My rear spherical bearing on front control arm are busted, so I put back to stock bushing for last event while I'm waiting to get the new one, might be related. I'll double check toe this week and try new alignment for next event. Last edited by smoky; 08-13-2019 at 11:19 AM. |
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08-13-2019, 11:59 AM | #2146 |
Scooby Guru
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Join Date: Jan 2005
Chapter/Region:
South East
Location: Columbia, SC
Vehicle:2000 2.5 Auto-X RSTi Sparkly |
Ok, so you have (or had) sphericals in the rear bushing housing on the front arms. That makes more sense.
I also made my own top hats, but honestly 7-8 degrees of caster (closer to 7 is good) is plenty. |
08-13-2019, 02:00 PM | #2147 |
Scooby Newbie
Member#: 221439
Join Date: Aug 2009
Chapter/Region:
E. Canada
Location: Quebec, Canada
Vehicle:2004 STI Blue |
Good to know, I'll test it out.
For bushing I was using the hardrace one but they only hold for about 20 events in the front (http://www.hardrace.com/Product_detail.asp?id=1514) and 30 events in the back (http://www.hardrace.com/Product_detail.asp?id=1477) |
08-18-2019, 10:03 AM | #2148 | |
Scooby Newbie
Member#: 53793
Join Date: Jan 2004
Chapter/Region:
MWSOC
Location: Chicago, IL
Vehicle:02 WRX Wagon PSM |
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08-22-2019, 03:51 PM | #2149 |
Scooby Newbie
Member#: 139249
Join Date: Jan 2007
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Interesting feedback on the hard race control arm sphericals. I've been on the ESM ones this year but only a few events so far though I don't think I'd recommend dealing with ESM to anyone. Coming from whiteline bushings to sphericals really woke up the front end.
Give Luke a buzz at full spectrum he's got a bunch of new bushings for our cars that he hasn't listed on the website yet. https://www.getmoregrip.com/ |
08-23-2019, 09:32 AM | #2150 | |
Scooby Newbie
Member#: 221439
Join Date: Aug 2009
Chapter/Region:
E. Canada
Location: Quebec, Canada
Vehicle:2004 STI Blue |
Quote:
The rear one did a bit better, it's also a lot bigger, it's just starting to be lose and not smooth. It's sealed and has grease in it already. |
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