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Tracking / Autocross / HPDE / Drifting What these cars were built for!


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Old 07-23-2013, 05:08 PM   #1
Dezoris
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The Vortech Autox Review

Americanizing the FR-S Part 3: Autocross Review
Vortech Supercharged - Perrin Tuned




VIDEO INDEX:
0:00-0:00:25 Opening
0:00:30-2:25 Course Walkthrough
2:25-3:40 Owner Impressions of Vortech Kit
3:50-5:30 Full Autox Run
5:31-6:48 Time Sheet Review
6:52-9:30 Pros and Cons, Final Thoughts


FULL VIDEO:








MODIFICATIONS LIST:

Engine:
Vortech Supercharger Tuner Kit
ECUTek / Perrin Tuned Rev. 10
Radium Engineering Dual Catch Can
Koyo Radiator and Perrin Silicone Hose Assembly
Oil Cooler Mocal / Perrin
Perrin 2.5 Header Back, Catted and Resonated

Brakes:
Primary Vendor: Counter Space Garage
Project Mu 800HC (Street)
Rotors: OEM
Suspension:
Stranoparts ARB
Whiteline Front Camber Bolts
Whiteline Rear UCA Bushing Camber Kit

Alignment:
Front
-1.4 Camber
1/8th" Toe Out

REAR
-1.3 Camber
1/16th" Toe In


Tires:
225/40/17 RS3 Hankook


Impressions Pre-Supercharging:
For the full details of the car before supercharging review the final review here:




Impressions Vortech Supercharged:

PROS
  • Acceleration is linear and non-disruptive to fine inputs.
  • Longer straights or sweepers highly benefit from added power.
  • Car no longer struggles pulling out of tight sectors in 2nd gear
  • No one who has driven the car or rode along stated the extra power was negative to drivability.







CONS

  • Added power does not equate to better times
  • Higher class makes car virtually uncompetitive
  • Makes setup more difficult with less people running higher HP.
  • Higher heat, requires more
    care in terms of cool down cycle hood venting and preventing heat soak in IAT and radiator.



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Old 07-23-2013, 05:09 PM   #2
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Old 07-23-2013, 05:15 PM   #3
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Yeaaaa your car is not STX legal at all.

edit: i see that you entered SM. gotcha. i was very confused why all your comparisons were against stx until i paid closer attention.
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Old 07-23-2013, 05:26 PM   #4
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I don't think many will be surprised to see supercharging doesn't make the car much (if at all) faster at an autox. Now you can just drive and not worry about the burden of being competitive.
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Old 07-23-2013, 05:36 PM   #5
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Driver mods are always the biggest bang for the buck
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Old 07-23-2013, 05:37 PM   #6
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Quote:
Originally Posted by qoncept View Post
I don't think many will be surprised to see supercharging doesn't make the car much (if at all) faster at an autox. Now you can just drive and not worry about the burden of being competitive.
The most asked question was, "that thing must fly now."
It's completely interesting to see the car before and after.

Before I felt, the car almost stock in RTR/CS or STX was perfect.
But hated it on the track.

After, it's not good enough in autox anymore if you want to compete. Still fun obviously. Have to wait to see how the track experience goes.

Last edited by Dezoris; 07-23-2013 at 11:00 PM.
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Old 07-24-2013, 09:00 AM   #7
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Nice pic of my car in there - Thanks!
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Old 07-24-2013, 11:11 AM   #8
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That was an interesting review. However, I'd like to see how a well prepped SM twin will do. It'll be costly, but it is the "Spend Money" class.
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Old 07-24-2013, 11:20 AM   #9
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I think it can be good with the higher class. You are way underprepped for the class that the supercharger puts you in. Plus on street tires. The bumped class allows for a lot of weight reductions a lot more tire and rim width, bigger brakes ect. Until the car is prepped 100 percent to the rules its hard to say if it will be competitive or not.
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Old 07-24-2013, 12:13 PM   #10
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I think it can be good with the higher class. You are way underprepped for the class that the supercharger puts you in. Plus on street tires. The bumped class allows for a lot of weight reductions a lot more tire and rim width, bigger brakes ect. Until the car is prepped 100 percent to the rules its hard to say if it will be competitive or not.
I agree. Hopefully, someone will try one day.
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Old 07-24-2013, 12:45 PM   #11
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Nice pic of my car in there - Thanks!
It was right when the rain started!
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Old 07-24-2013, 12:47 PM   #12
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Quote:
Originally Posted by feldy View Post
I think it can be good with the higher class. You are way underprepped for the class that the supercharger puts you in. Plus on street tires. The bumped class allows for a lot of weight reductions a lot more tire and rim width, bigger brakes ect. Until the car is prepped 100 percent to the rules its hard to say if it will be competitive or not.
I don't think most people would find the value in turning this car into a stripped down SM car for autox until you can buy one for 10k.
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Old 07-24-2013, 12:58 PM   #13
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Awesome review!

Toss some Hoosiers on it and try again.
Also, I think your review closes the door on the platform for SM class prior to fully exploring the key allowable "other than power" mods (Tires, Wheels, Gearing, Suspension, Aero, Diff).
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Old 07-24-2013, 01:28 PM   #14
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Awesome review!

Toss some Hoosiers on it and try again.
Also, I think your review closes the door on the platform for SM class prior to fully exploring the key allowable "other than power" mods (Tires, Wheels, Gearing, Suspension, Aero, Diff).
By far the key limiting factor here is definitely grip. Some areas it's terminal understeer, some it's overseer.
@TimR
After getting settled with the car other than smoothing out a few areas I don't think there was a lot of time to be found.
Getting the car to trailbrake was also much more difficult than other cars I have driven.

Throwing power at it was not the answer by any stretch.
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