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Old 05-09-2017, 03:56 PM   #1
jahjahsqc
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Join Date: Sep 2016
Chapter/Region: South East
Location: Northeast Georgia
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Default What do I need to change to be compeitive in ASP?

I've been doing autocross for a few months and now I've been bit by the bug. But, I've been having trouble deciding what class to stick to. I want to be able to mod the car the way I want for driving in the mountains or track days without being restricted. I want more than I can do in STU, but I don't have the pockets for STM, much less SM. So I've pretty much decided to stick to "A Street Prepared" for my 2011 STI.

So can you guys suggest what I need to do for my car to be competitive in the class? If there is some low hanging fruit I'd definitely be interested in making a few changes to put my car in a place where my skill level is what determines my placing.

So here's my list of current mods.

Hanchey Vehicle Technology (HVT) double adjustable coilovers.
AST front strut bodies with JRi internals,
JRi aluminum rear shocks.
Swift springs: 728 lb/in front, 896 rear.
Vorshlag camber plates,
HVT spherical rear top mounts.
SPT Strut Bar
SPT 4 point chassis brace
Cobb Accessport Stage 2 OTS tune
Cobb Intake w/o shield
Invidia catless downpipe
Invidia cat-back
Cosmis Racing XT-206R 18x9
Michelin pilot super sport 265/35R18
Whiteline front sway bar w/ Kartboy end links
Whiteline rear sway bar w/Kartboy end links
EBC Blue stuff pads
EBC GD Rotors
Subaru OEM accessory front lip
Subaru OEM accessory vortex generator
Rolled rear fenders
Current alignment is -2.5 front/ -2 rear

I think that's everything. I have stop-tech stainless steel brake lines I haven't installed yet.

I am thinking I need to go with the 315/30r18 that i see everyone running, but i was looking at doing the BFG Rival-S instead of the Hoosier A7. I'd prefer to stay on a "street" tire so i don't have to carry extra tires. My car only gets a few thousand miles a year. Its weekend car.

Should I worry about aero? more hp? tires first?

Any advice or direction is appreciated.
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Old 05-09-2017, 04:39 PM   #2
subydude
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If you think prepping to be competitive in ASP is going to be cheaper than prepping for a local street tire street mod class, you're mistaken. ASP is A7's, front and rear aftermarket diffs, E85 tune with all the breathing mods and likely forged pistons, more camber, more light-weighting, etc just to start with.
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Old 05-09-2017, 04:49 PM   #3
cpasti
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^ this and more, and the chassis brace would have to go already. To be competitive in ASP, need an older gen Evo. STI is the wrong car for it with its limited engine and turbo allowance.
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Old 05-09-2017, 05:03 PM   #4
Rizen
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You'd pick up a good bit of time just switching to a tire like the Nexen NFERA SUR4Gs, BFG Rival S, or RE71Rs.

Pilot Super Sports are good daily tires but are not especially good for autox.
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Old 05-09-2017, 06:49 PM   #5
Scooby South
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Quote:
Originally Posted by subydude View Post
If you think prepping to be competitive in ASP is going to be cheaper than prepping for a local street tire street mod class, you're mistaken. ASP is A7's, front and rear aftermarket diffs, E85 tune with all the breathing mods and likely forged pistons, more camber, more light-weighting, etc just to start with.

^^^^ this, you are allowed a different intake manifold, injectors, Larger topmounted intercooler. You didn't mention if you are prepping for local or a full national build..that will determine which way you actually go here. Weight is key.....With you current mods... you can expect to spend another 5-10 grand at least or maybe more depending on how "competitive" you want to be. Diffs alone for all 3 is about $8500 or so.. and yes Aero plays a big part if you are considering National level competition.. there are some Well prepped Evo's out there that can spank a similar prepared Vette. Aaron Miller, The Berry's, The Grices all have championship winning cars. Study the rule book and see where you fit budget-wise before you go down path..
Optimize what you have already... Driver mods are good.. take a Evolution School ..

Bill
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Old 05-09-2017, 09:44 PM   #6
jahjahsqc
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Quote:
Originally Posted by Scooby South View Post
^^^^ this, you are allowed a different intake manifold, injectors, Larger topmounted intercooler. You didn't mention if you are prepping for local or a full national build..that will determine which way you actually go here. Weight is key.....With you current mods... you can expect to spend another 5-10 grand at least or maybe more depending on how "competitive" you want to be. Diffs alone for all 3 is about $8500 or so.. and yes Aero plays a big part if you are considering National level competition.. there are some Well prepped Evo's out there that can spank a similar prepared Vette. Aaron Miller, The Berry's, The Grices all have championship winning cars. Study the rule book and see where you fit budget-wise before you go down path..
Optimize what you have already... Driver mods are good.. take a Evolution School ..

Bill
I don't think i will ever be competitive in that class at a national level, local? yeah maybe. but part of the reason I want to pick a class is so that it will give me some kind of guidelines in that I mod my car, so i don't go overboard, keep it balanced, so-to-speak.

I don't plan on doing all of this in the next 6 months, but over the next few years? sure. maybe. but its nice to have a plan.

The information you guys have already given me is great. Ill drop the chassis brace. What's the next big thing I should do? Tires? how would the 315/30R18 BS Rivals fair?
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Old 05-10-2017, 09:27 AM   #7
subydude
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Quote:
Originally Posted by Scooby South View Post
^^^^ this, you are allowed a different intake manifold, injectors, Larger topmounted intercooler. You didn't mention if you are prepping for local or a full national build..that will determine which way you actually go here. Weight is key.....With you current mods... you can expect to spend another 5-10 grand at least or maybe more depending on how "competitive" you want to be. Diffs alone for all 3 is about $8500 or so.. and yes Aero plays a big part if you are considering National level competition.. there are some Well prepped Evo's out there that can spank a similar prepared Vette. Aaron Miller, The Berry's, The Grices all have championship winning cars. Study the rule book and see where you fit budget-wise before you go down path..
Optimize what you have already... Driver mods are good.. take a Evolution School ..

Bill
Just a note, you don't need 3 diffs on these cars, just 2 because the DCCD is pretty good. 2 diffs even paying someone else for install is more like $3,500 on the high end. If you're starting with a 5-speed, then it'd be closer to $8,500 since you'd be spending the money on a 6-speed swap first, and then the diffs.
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Old 05-10-2017, 11:09 AM   #8
jahjahsqc
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Quote:
Originally Posted by subydude View Post
Just a note, you don't need 3 diffs on these cars, just 2 because the DCCD is pretty good. 2 diffs even paying someone else for install is more like $3,500 on the high end. If you're starting with a 5-speed, then it'd be closer to $8,500 since you'd be spending the money on a 6-speed swap first, and then the diffs.
Factory 6 speed here, so i wouldn't have to worry about that!
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Old 05-10-2017, 09:56 PM   #9
Rizen
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11.4 @ 127

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Quote:
Originally Posted by jahjahsqc View Post
I don't think i will ever be competitive in that class at a national level, local? yeah maybe. but part of the reason I want to pick a class is so that it will give me some kind of guidelines in that I mod my car, so i don't go overboard, keep it balanced, so-to-speak.

I don't plan on doing all of this in the next 6 months, but over the next few years? sure. maybe. but its nice to have a plan.

The information you guys have already given me is great. Ill drop the chassis brace. What's the next big thing I should do? Tires? how would the 315/30R18 BS Rivals fair?
Are you planning on doing fender flares? If not, 285/30s will fit, but much beyond that and you're going to start having to cut things or modify parts.
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Old 05-11-2017, 03:53 PM   #10
Fred
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a few months, eh?

I like how everybody immediately starts in with the $$$ national setups, "trade it in for an evo," etc. instead of introducing the noobs to reality.

Just do as many events as you can stand to do, and try to raw time everybody (unless you already are - in that case, spend the money and go win a national championship right now). When you get to that point, and you haven't decided that autox is dumb, then you should start thinking about the car's setup.

And I know this without even reading your list.
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Old 05-13-2017, 04:58 PM   #11
CP-28
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take an EVO School..those guys are worth more than any car mods. ASP like someone said is an A7 E85 build. Check the rule book before you do anything and build to the class. most people add mods and find out they're not legal for the class they wanna run and end up with in a class with rotary powered Austin's and stuff. locally it can probably be done depending on how competitive your region is but nationals SP cars are usually no fun to drive daily and too expensive to maintain as a DD
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