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Old 12-30-2013, 10:04 PM   #1
Sylvain b
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Default SylvainB SM GC impreza build thread

Hi NASIOC members.

I realy like to read build threads for the fun of it but also to gets some ideas for my own build.

After 8 years of working on my 1993 L impreza I think it is time to create my own thread

First, I am from Quebec city. It is a realy nice little city in the Quebec Province (Province is equivalent to a state in USA). Why is this related to a build thread? Because we mostly speak french so this is why you will find some very weird wording or sentences. Sorry for that and I am working hard to get my english better.

This build thread purpose is:
- To be part of the active NASIOC community.
- To get feedbacks from you.
- To share some ideas.
- To let people know companies that are helping me. We are always looking to get help and I think it is important to give them, AT LEAST, some visibility.

Lets start the build!
Why chose a 1993 impreza L. Because I had a small budget! But also because I wanted to have a good chassis with less weight. I did chose the 4 doors for simplicity at the time (2 kids) but now I found it was a good choice for rigidity also.

Here are some picture of the car at the time. I had to change both rear quatter panels.




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Old 12-30-2013, 10:14 PM   #2
Sylvain b
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I wanted to build a solid car I could drive and improive for a long period of time. For this reason I decided to paint it and remove ALL the rust. Remember that here in canada (quebec) we have winters and we spread salt on our roads... So it is important to do a realy good job if we want it to last.

So I called some friends and we disassembled the car completly. We scotchbrite every corners and the body shop did everything else. Again I dont have picture of the work in progress. But here are some before and after pics.

Interior:



Automatic transmission:


Interior (at the time I was impressed by how I was crazy to do that. Now my car is like that every winters lol):
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Old 12-30-2013, 10:15 PM   #3
Sylvain b
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And the after pics!






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Old 12-30-2013, 10:25 PM   #4
Sylvain b
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Ok you did the exterior But what about the mechanical

With the same "spirit" of lightweight and performance, I chosed a very nice version 6 RA limited frontclip at Lachute Performance. It was, at the time, something prety special.

Engine was not that special. But the transmission and brakes were

4 pots, 2 pots.
Rear clutch type R180.
4.44.
Front helical LSD.
DCCD.
And a nice group N short throw shifter.

Some years after I finaly switch to a 6 speed after my second gear broke but still today I have never driven a OEM transmission as good as this one.

During the swap I did some choices:
- Use the single stage brake booster.
- Use the version 6 brake master cylinder with the version 6 brake bias valve.

Both were nice choices. The brakes felt very nice and were brety well balanced. OEM subaru (and most cars) are more "front bias" but my gc was more even. I could lock the rear first on some occasion. Very cool to LFB on the snow.
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Old 12-30-2013, 10:49 PM   #5
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Nice build!


Jay
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Old 12-31-2013, 08:15 AM   #6
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ca commence ca promet d'etre un bon projet!

what tire combo do you want? and what suspension will you run? my friend was on swapped wrx/sti hybrid engine and running 16x9 on his 98gc and it would do ftd at all the cdn events. i think he might still have the wheels and they're f/s

running 265-45-16 hoosiers... it was a killer... but he had to run 8k and 10k spring rates on his gc otherwise he scrub.
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Old 12-31-2013, 09:07 AM   #7
Sylvain b
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Quote:
Originally Posted by Robin2 View Post
ca commence ca promet d'etre un bon projet!

what tire combo do you want? and what suspension will you run? my friend was on swapped wrx/sti hybrid engine and running 16x9 on his 98gc and it would do ftd at all the cdn events. i think he might still have the wheels and they're f/s

running 265-45-16 hoosiers... it was a killer... but he had to run 8k and 10k spring rates on his gc otherwise he scrub.
The thread is new but the project is already far from that I am currently in a revision of the engine. I will get to that state of the project very shortly.

But to answer you question, last season I ran 275/40/17

I do autox since 2006. I did 2 Canadian Nationnals and broke on all of them These where the only event I had problem with the car and they were Nationnals... In 2012 (last time I broke at a Nationnal) There was Mike (101rs here on NASIOC). He let me drive his GC for the week end. It is a very similar setup as mine (275 A6) with more power but less work on suspension.

We both did great with me FTD both days and 2 pax. This is the moment I decided to go to a US Nationnal. I know I will not be there for a win in SM but we are working hard to get as ready as we can to meet you guys The goal is a top 10.

Fast car in Canada in SM are miatas with supercharge, impreza, mini cooper. We dont have evos, RX7, 240sx... It is hard to compare. Mike did a top 15 I think.

I will update the topic each days!
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Old 12-31-2013, 09:12 AM   #8
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like it so far man, can't wait to see more updates!
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Old 12-31-2013, 09:24 AM   #9
Sylvain b
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Here is a pic of the car the second season (2007). I was running 225/xx/16 Z214 tire. Very nice tire. With stock power and a very light car (2600lbs) it was a blast to drive).

At this time, the car was perfectly capable of winning provincial events (like state event) even with small tire and stock power. SM class was not very well developped.



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Old 12-31-2013, 09:37 AM   #10
Sylvain b
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And by the way, the more you share or subscribe, the more you help me with sponsors

I will keep this topic updated as often as I can The goal is tho meet you all, September 2-5, for the 42nd Tire Rack Solo National Championships at Lincoln Airpark
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Old 12-31-2013, 10:29 AM   #11
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Dig the color! Sounds like a good group of Subaru's will be out in Lincoln this year
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Old 12-31-2013, 02:16 PM   #12
Sylvain b
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Quote:
Originally Posted by subydude View Post
Dig the color! Sounds like a good group of Subaru's will be out in Lincoln this year
The new color is a bit harder to "dig" You will see soon.
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Old 12-31-2013, 02:45 PM   #13
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Glad to hear you'll be coming down to the nationals this year...should be fun.
I got 11th in SM this year, but there was a lot left in the car.(my driving wasn't up to par) It's a good mid pack car. Will be fun to see where you place.

Planning on doing the Canadian nationals aswell this year?
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Old 12-31-2013, 03:00 PM   #14
Sylvain b
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Quote:
Originally Posted by 101rs View Post
Glad to hear you'll be coming down to the nationals this year...should be fun.
I got 11th in SM this year, but there was a lot left in the car.(my driving wasn't up to par) It's a good mid pack car. Will be fun to see where you place.

Planning on doing the Canadian nationals aswell this year?
Yes Mike I am planning on doing it. Will you?

And if I am going to US Nationnal is because of you, Eric and Bill! So I assume you all will be there right
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Old 12-31-2013, 03:47 PM   #15
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At this point in time it looks like the whole gang will be at both events and we are hoping to get a few more out to the events from the region.

Hurry up and post pics of this year's set-up.
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Old 12-31-2013, 06:00 PM   #16
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Damn that silver looks beautiful...and I tend to dislike silver cars.
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Old 12-31-2013, 06:31 PM   #17
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You will come to the US Nationals to keep Carl and Bruno on their best behaviour, correct? :P

We would love to make the trek up to PEI for the CASC this year, but it will be a tough sell to the accounting dept. (wives) lol

Jay
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Old 12-31-2013, 08:16 PM   #18
Sylvain b
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Quote:
Originally Posted by Storm View Post
You will come to the US Nationals to keep Carl and Bruno on their best behaviour, correct? :P

We would love to make the trek up to PEI for the CASC this year, but it will be a tough sell to the accounting dept. (wives) lol

Jay
Lol I will probably try to follow there tradition. Always respect tradition :-D
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Old 01-01-2014, 09:57 AM   #19
Sylvain b
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From 2006 to 2009, I did not modify the car that much. I was learning to drive an AWD on the tarmac and also using the car during winter for autocross and some "rallying".

I was reading build topic on NASIOC and other forums to look for ideas. At the time I wanted a car that was streetable, drivable during winter and summer. Ialso wanted a car that could be able to do time attack one day.

My autox seasons were pretty good. I had great results. I was buying used tire only. My idea was to "invest" in modifications that were good for a long time. When you start to spend money on big A6, it is hard to improve the car as much as you want to with the kind of money I have.

I did some testing with spring ratings, damping adjustements, tenders coils, sway bars, aligments, rear diff, roll center adjuster, ALK.... I was also using some knoledge from my winter driving to make the car FAST with "not so grippy" tires.

It was a pretty fun car to drive. Tail happy and easy to pitch and catch.

But still a impreza that would have been killed at some US events.




Last edited by Sylvain b; 01-01-2014 at 10:03 AM.
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Old 01-01-2014, 10:12 AM   #20
Sylvain b
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I give winter driving class each winter and I have many occasion to drive on ice track around the province. It was a very nice car to drive on ice. With the DCCD full open and some C5

With these tire, you have a great amount of longitudinal grip but not much lateral grip. So you have to slide the car during corner entry and then manage to rotate the car using power. If you dont do that, it is not that cool.

With the stock 2.0l I had 230hp at the wheels There was so much grip that I was driving with the DCCD full open and it was hard to make the rear end slide on power only.

Here are pics from one event on a lake near US border. I should have put my helmet on I know





And pictures of these tire.

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Old 01-01-2014, 11:09 AM   #21
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Looks awesome keep the pics.coming
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Old 01-02-2014, 08:10 PM   #22
Sylvain b
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Until beginning of 2009, people in SM were running z200, ra1, a032r and other R compound tire but no real autox tires. And the widest tire we could find in the parking lot was 245. It was not that hard to be competitive even with old tire.

In 2009 some people from Montreal started to use A6 tire and they were also going wider. So in 2009 it was realy hard to keep the pace against them.

I had the choice to get myself some A6 or do something else.... but what!

I decided to continue to focus on spending money on stuff that would be still there next year. I loooked on the internet and it was possible to get some used wide tire (275) for cheap. Why not install some flare

I dont have picture of the falre installation but it was pretty simple.

There is many flare kit on the internet but the one I chose is the nissan ZG flare. Cheap, give the most clearance (at least it is the result of my search). Does not fit very well but it does the job.

To minimise the need for very low offset wheels, I bought a complete 2006 STI suspensions kit including lateral links, A arm, 5x114 brembo brake kit (there is more wide wheels on 5x114).

With this kit I had the 2006 STI sterring rack. I had the choice of:
- Custom steering joint.
- Using the 2006 steering collumn.

I chose the second option. I had to make a custom cullumn extension because the 2006 is a bit shorter. WOW The 2006 steering rack is very nice. The feeling is very different.

For the wheel, I have seelcted two sets of wheel on Wheel Dude site. Great value/price ratio. One set of DPT and one set of Grid.

Here are some pictures of the car at this time.







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Old 01-05-2014, 06:56 PM   #23
Sylvain b
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Default ...

The GC was previously use during winter and suffer from the salt. Before putting a roll cage in it for Time Attack, I had some issues to resolve and one of these was RUST! The body was in very good shape but how was the underbody/frame.

I decided to take a look and correct the situation if it was niot that bad.

Here are some picture of the work Remember that I dont have a big budget and big ressources



Here in french "dotn kill momentum!. People say I repeat that often during my winter driving class



We can see rust here and there... There was more rust than expected.





The worst part was the driver side floor. In and out in the snow... Not cool!
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Old 01-05-2014, 08:02 PM   #24
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Nice thread and your English is very good.
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Old 01-05-2014, 08:49 PM   #25
Sylvain b
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Quote:
Originally Posted by joey1313 View Post
Nice thread and your English is very good.
Thanks

Now it i time to work!

Remove engine, tranny, both subframes, fuel tank.... Only the winshield and dash left. I should have removed the dash See why later!



A friend that knew the work we needed to do. Me I was not realy aware of how much work.


Front section was in good shape. Not much work to do.


Last checkup before the big job.




We had to move the car to the operation room. Without wheels, we had no choice but to build a small "kart".





During winter, there is no better operation room than that:


Next tomorrow!
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