SoCoNoHa's Flavor of the Week - Subaru Impreza GC8 & RS Forum & Community: RS25.com
 
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SoCoNoHa's Flavor of the Week
View Poll Results: What engine should I put in my car?
EJ18 Block/EJ18 Heads 0 0%
EJ18 Block/EJ22T Heads 1 8.33%
EJ22 Block/EJ22T Heads 6 50.00%
EJ22 Block/EJ25D Heads 2 16.67%
EJ25 Block/EJ22T Heads 1 8.33%
EZ30D 3 25.00%
Other 3 25.00%
Multiple Choice Poll. Voters: 12. You may not vote on this poll

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Old 03-08-2018, 10:24 AM   #1
SoCoNoHa
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Default SoCoNoHa's Flavor of the Week

Pics are a little old, as in 08/19/2018





Table-o-Contents
Page 2: Installed Intercooler Shroud / Bumper / AFR / Went to CO
Page 3: Installed Walbro 255
Page 4-6: TURBO INSTALL
Page 7: More Fuel / CF Hood / Recirc BOV
Page 8: Clutch Install / 2.2/2.5 Frankenmotor Install

Current Mods
~=Drivetrain=~
no engine
Custom Short Shifter

~=Brakes=~
H6 L.L.B. Brakes

~=Suspension=~
Tien Lowering Springs
GD WRX Struts

~=Exterior=~
95 VisRacing WRX Carbon Fiber Hood
97-01 Grill/Headlights
97-01 L Bumper Modded
2.5RS Wing
Clear Lenses all around

~=Interior=~
H6 Steering Wheel
2G Legacy Shifter Boot
DBZ Knob

To-Do List
Install EZ30D
Ball Joints
Wheel Bearings
Drivers front axle
Replace Steering Rack
Replace Throw-out Bearing
Rear Sway Bar/Rear Strut Bar
Rust Repair

Wish List
4.44
MR2 PS Pump
Rear LSD/welded
Black Interior
LW Flywheel
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SoCoNoHa's Flavor of the Week-daq0pywh.jpg  
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Last edited by SoCoNoHa; 08-26-2019 at 06:31 AM..
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Old 03-08-2018, 10:34 AM   #2
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Default History and Future Plans

To be honest, I never really saw myself owning an Impreza. I've always been a Legacy man. I've had 5 or so Legacy's, two of which ended up with phase 1 EZ30s under the hood.

However, when I saw this little AWD, 5 speed, OBD1 Coupe on Craigslist for 1600, I just couldn't resist.

Little bit of backstory here:
Project Berserker - The Subaru SVX World Network
And feel free to read up on an amazing car while you're there.

Yea, it's kinda beat. Lots of rust underneath, the interior is absolutely roached, and there was a tube sock ziptied over the MAF as a filter... But with under 100k on the clock and a strong running 1.8 I said screw it.

I've been driving it as is with the gutless 1.8L and horrendous 3.90 trans, and I love it. Can't wait to see what a little more power and proper gear ratios will do for it! My initial plans were to drop an EZ30 in it, but I've decided to hold off on that for a while and try turboing the 1.8. I've seen several people achieve great results with the 1.8 block/2.2 heads combo, so that's my plan for now. Eventually I'll get the H6 in there and hopefully boost that as well!
Other than that I've got a 4.111 trans and rear diff from a 97 Outback which I expect to yield a massive improvement in drive-ability. I really hate the 3.90 gears...

Thanks for reading!
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Old 03-08-2018, 10:54 AM   #3
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Quick question for those in the know:
I have an OBX 8:1 FMU (RRFPR) which I think is a little overkill for my meager intentions for boost. Can I just use a Manual Boost Controller in the vacuum/boost reference line to lower the ratio?
My thoughts are; If the rrfpr sees 50% of the actual boost, it should increase fuel pressure by 50% of its ratio. I.E. making my 8:1 rrfpr a 4:1 rrfpr.
Is this logic sound? Thanks in advance.

Edit: I'm now thinking this WOULD NOT work, since an MBC is more of a boost 'delay' than a 'reducer'.
Also 8:1 wasn't enough, although I'm unsure if that was because my particular FMU was defective or not.
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Old 03-08-2018, 11:22 AM   #4
George.of.the.Jungle
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you may not need a RRFPR. for some reason, my AFR's were almost exactly the same with and without it. i would try the car with just boost and no RRFPR, then try out the 8:1 and see what it does to your afr's.

also, since you're taking the engine apart already for head change, might as well just run the 22 block for more torques.
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Old 03-08-2018, 12:06 PM   #5
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Thanks for the input, GOTJ! Did you also have a 1.8 or was yours a 2.2? I'll try it without the rrfpr regardless, I do have a walbro 255 so...

I have yet to locate a set of dual port 2.2 heads close/cheap enough, so I'm planning on turboing the 1.8 as is for now, then being able to turn up the boost once i get the heads.
And for some reason I feel I've seen far more stories of the 2.2 going pop, probly because far more 2.2s have been boosted.

At any rate, if I really need more torque I've got two EZ30s waiting for homes.
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Old 03-08-2018, 01:57 PM   #6
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Quote:
Originally Posted by SoCoNoHa View Post
Thanks for the input, GOTJ! Did you also have a 1.8 or was yours a 2.2?
OE 22e.

Quote:
At any rate, if I really need more torque I've got two EZ30s waiting for homes.
well quit messing around making a 1.8 work and get busy with more POWAAAAAHH!
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Old 03-08-2018, 02:03 PM   #7
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What's up Alex Maybe, about time you put this thing up! More pics needed, try an image hosting site like Imgur.

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Old 03-09-2018, 04:49 AM   #8
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Hey Rick! Yea I was afraid I'd have to use a hosting site... oh well. I'll try to make it worth the wait, maybe lol.
Ps thanks for hooking me up with almost literally EVERYTHING I need to put this together!
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Old 03-09-2018, 04:54 AM   #9
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Quote:
Originally Posted by George.of.the.Jungle View Post
well quit messing around making a 1.8 work and get busy with more POWAAAAAHH!
I know, I know... But I'm actually pretty excited to see what the 1.8 can do...
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Old 03-11-2018, 03:45 AM   #10
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Big thanks to Flat4awd for hooking me up AGAIN!

Got a 17mm rear swaybar


97-01(?) L bumper


And clear tails


Hooray for no more ugly amber lenses on my car!
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