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Old 12-27-2006, 05:32 PM   #1
#522
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Default My 2001 Impreza RS Project

Original title was "FAT-FTW" but those FTW thread titles got played out. Tried to change to "My 2001 Impreza RS Project" but I'm not sure if that worked.

This got a little long-winded, so cliff notes at the bottom.*

I’ve had this car for 6 years now and aside from basic power mods and suspension upgrades, the power output has never been seriously addressed. I have also known Robert at Forced Air Technologies for the same amount of time and every time I see him, he asks "so when are we going to boost this thing?" and this summer I finally said "I'm ready when you are."

I've seen his work first hand on his own project cars as well as local cars (most notably Aaronb and Kastle). His craftsmanship is top-notch, he knows what he is doing, takes care of his customers and stands behind his work. Major important things to me, and most people I’m sure. I have done the majority of the work/maintenace to my car, but I would rather let someone with experience tackle this one. I don't have weeks to have my car in pieces while I figure things out or blow stuff up.

The goal:
More power-duh
Make it reliable-daily driver
Make it trackable-auto-x and track car

So we decided on running a turbo kit on my existing engine with a better bottom end. This involved mating my heads with a better short block (US 2.5sti or EJ20g) and adding a FAT kit to it. Pretty good idea, but the labor could get costly. Robert had a better idea…

We just use the whole engine instead of taking it apart and mating it with bits and pieces of my engine. If Robert could take the EJ20g (WRX, but not STi) engine with factory turbo, heads, DOHC and custom top mount intercooler and make it play with my RS ECU and Roberts fuel and timing controllers, I was game. I was already 100% on running a kit, so this was the even better as I get the complete engine. If this didn’t work I was more than happy to go back to plan A and run one of his kits.

Well it worked, and I love it. It is seamless and runs like a clock. Super clean install and I have the confidence knowing Robert and Chris at FAT did the work. I’ve been driving it on he streets for 3000 miles so far and auto-x’ed it 3 times. No track time yet as we are only running 5psi since the top mount isn’t done yet. It is quicker than my 2.5 with mods was already. I am really looking forward to getting the intercooler on it and turning the boost up and hitting the track. I’ll update this as things change.

*Cliff Notes:
I have an 01 Impreza RS. FAT did a WRX EJ20g custom motor swap for me. I am very happy with FAT and my car. More boost to come.







I modded my badge a little too
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Last edited by #522; 08-18-2008 at 02:51 PM.
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Old 12-27-2006, 05:57 PM   #2
AaronB
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Awesome! I can't tell you how glad I was to see your RS in his shop getting the boost it deserves. Get a IC on there right away so you can give it a proper thrashing.

Now we have to get Bud and Kris in there...
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Old 12-27-2006, 07:14 PM   #3
pudnana
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So are you just saying you just bolted a JDM regular WRX motor in and are still using the ECU from the 2.5 rs with some sort of piggy back set up?
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Old 12-28-2006, 01:08 AM   #4
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Congrats Ron. I got a chance to see your car a couple of times when it was down there and was always asking about it.
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Old 12-28-2006, 09:42 AM   #5
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Way to go man! Have fun with it!
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Old 12-28-2006, 11:31 AM   #6
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saw this project at the shop a couple months back.. very nice set up indeed.. do you plan on going fmic or tmic?
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Old 12-28-2006, 06:52 PM   #7
#522
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Thanks guys. I know Kris is getting close to doing something and Bud has a Vette, so I don't know if he's in any hurry right now. I saw your car in there when I stopped in a few times Kevin, what new goodies do you have going?

The electronics setup is similar to running a turbo kit, it's got a MAP sensor voltage clamp, RRFPR, and a boost sensing timing controller to handle the timing when on boost.

I went back and forth on the intercooler thing, but we are going top mount. This is the best for the amount of power I plan to make and how I will be using the car. A front mount would be good at the track, but I would prefer less lag with the top mount for everything else.
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Old 12-28-2006, 10:47 PM   #8
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i have a couple tmics in my garage. one of them jayme is selling from his 04 if you wanna go reg wrx top mount.
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Old 12-28-2006, 10:52 PM   #9
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Quote:
Originally Posted by v8eaterWRX View Post
i have a couple tmics in my garage. one of them jayme is selling from his 04 if you wanna go reg wrx top mount.
yeah i will sell it real cheap if u want it
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Old 12-30-2006, 07:56 PM   #10
#522
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Sounds good, but he had some fitment issues with a regular WRX intercooler, the angle of my throttle body caused it to hit the pitch stop bracket near the firewall. Plus he already ordered the core for the one he's making. Thanks for the offer though.
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Old 06-01-2007, 03:59 AM   #11
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Wink Small World...

I saw your car at the shop.

I need an update...

What did ya do to it ?


Oh yeah...

What ultimately pushed (or towed) you over the top to decide to do the swap ?

Where did you get that motor to do the swap ?

-Barry

BTWFATFTMFW !
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Old 06-04-2007, 03:41 PM   #12
#522
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Haha, it made it over on it's own to get the swap. When you towed me home up cavecreek, it turned out to be the timing belt. The crank sprocket/pulley stripped the teeth right off the belt and the motor stayed put! the crank was spinning and rubbing the belt, but it didn't grab it and turn the motor over, so no damage was done. Luck, yes. And yeah, that's your old motor in there.

BTW, Barry saw me stuck in a parking lot on Cavecreek and Dunlap and stopped to help out. Never met him before that. He ended up towing me home with a tow strap with his OB Sport after he tried to call 5 towing companies he knew for me. Awesome guy. Baryy FTW, ha.

I hope to post an update here in the next week or so.

Later.
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Old 06-04-2007, 06:14 PM   #13
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that's great man, robert does fantastic work! i saw your car at his shop a while back. he must have been doing this work then congrats!
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Old 06-04-2007, 08:49 PM   #14
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Maybe have RObert build you a motor w/ a little sumfin' sumfin' in it!
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Old 06-05-2007, 01:48 AM   #15
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i think im stopping by to check things out tomorrow i have the whole day off. maybe one of these days i could accually get somethin
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Old 06-05-2007, 11:43 AM   #16
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nice work man! what turbo did you get on the motor vf30?
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Old 06-05-2007, 11:57 AM   #17
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IBit'smyoldVF30 aka whore! It's a rule to have that turbo on every F.A.T car before upgrades!
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Old 06-05-2007, 12:20 PM   #18
#522
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haha, so far it's the stock JDM turbo, but if it's a rule...
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Old 06-05-2007, 12:23 PM   #19
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Quote:
Originally Posted by #522 View Post
haha, so far it's the stock JDM turbo, but if it's a rule...
Well she may be a whore turbo but she is reliable! Let's just call her well seasoned for good measure.
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Old 06-05-2007, 02:10 PM   #20
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Quote:
Originally Posted by VSB XT View Post
Well she may be a whore turbo but she is reliable! Let's just call her well seasoned for good measure.
She's the village bicycle !

Everybody's had a ride.

Yeah, baby, yeah !

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Old 06-06-2007, 12:39 AM   #21
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That car is sweet! I love that bodystyle!
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Old 08-14-2007, 05:04 PM   #22
#522
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Finally posting an update to this. The top mount is on (it's been on for quite some time, actually), and it works quite well. The position and angle have it right under the scoop, towards the back a little, so it gets really good airflow. It is a tight fit for the inlet underneath, hence the narrow size and angle. It almost touches the hood at the back, the little plastic tab for the wiper hose rubs it actually. It's nice to see that thing hiding back there when I walk towards my car I am going to modify the stock blocking plate and seal it up to the hood. I am halfway done with that, but got lazy/tired of dripping sweat all over my car while I worked on it. I'm sure I will get to it the night before a track day, as usual.

I also got a DNA motorsports MBC for a really good price (thanks Kastle) and I am running 10 psi. The extra 5 psi makes a big difference. I also have an Apexi Turbo timer that has the narrowband o2 readout. A little peace of mind when turning the boost up so I can confirm the AFR's are at least dropping consistently. The next thing is a wideband and a water temp gauge, hopefully at the same time (I hate taking the dash apart to run wires). I already notice the factory gauge well after it starts moving towards the hot side of things when I'm going up hills for any length of time. I also want to do a DIY inter-cooler sprayer, just haven't figured out how I want to go about it. I'm leaning towards a trunk mounted one. I'll probably go to pick-a-part and get the biggest wiper tank/motor combo I can find and go from there.








Also, I had some trouble with my Prosport Boost gauge (fixed now, the sender was bad) so I rigged up this deluxe temporary gauge setup complete with cigarette adaptor power supply and wire nuts. I took the shots with my camera phone to reflect the shadiness of the whole thing. That iEquuos mechanical boost gauge was a good deal from Checker online at $26. It was very accurate and it's nice to have an extra one on hand.





Oh yeah.

So that's it for now. I really dig the car even more now and plan to run it like this for a while. I'll prob turn the boost up in the winter on good gas, though. Might see about hitting a group dyno day and get a few pulls just to see what it's doing. The future plan is larger injectors and an eManage Ultimate to control everything, and of course, more boost.
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Old 08-14-2007, 05:06 PM   #23
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Looks great Ron. Glad to see that things worked out as planned
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Old 10-17-2007, 09:20 PM   #24
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I know this is an old thread to bring up but i finally got a chance to stop by FAT the other day when i was back in town. it was awesome finally somone who will work with me even though i dont have a sti or wrx or 10k to spend. just great treatement and will be having work done when i get back in town.
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Old 10-17-2007, 11:21 PM   #25
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revive the old thread!! What was your approximate cost on doing the swap/tuning/parts etc??
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