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Thread: Is there a "how to lift your Impreza" FAQ?

  1. #1
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    Question Is there a "how to lift your Impreza" FAQ?

    Someone linked me here from NASIOC...

    I can't seem to find any definitive information about lifting imprezas, just threads from people experimenting. Has anyone gotten all this info down in one place yet?

  2. #2
    Regular Contributor GClark's Avatar
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    That would take alot of work, but kudos to whoever does it. The hardest part is figuring out the part compatibility.

    I think you should focus on finishing your Subaru project


    Actually, I started one a while back, but lost interest. Heres the Super rough draft...

    If one wants to use their Subaru for how god intended it to be used, then taking it off road is in your future. Lifting your Subaru will give you more ground clearance, the space between the ground and your vehicle. With more ground clearance, there is less of chance of getting stuck, bottoming out, or damaging essential parts to your car.

    Pros to lifting your Subaru:
    Easier to work on your car.
    Add more ground clearance.
    Fit bigger tires.
    Looks BA.

    Cons to lifting your Subaru:
    Tendency to think your Subaru can go anywhere, leading you into unfavorable situations.
    Increased wear and tear on your axels and struts.
    Decreased Handling

    How to lift your Subaru
    There are several time tested ways to lift your Subaru. You can put spacers on top of the struts, or swap Forester or Outback struts. Actually that’s it! For Imprezas, your limited to the strut swaps or spacers.

    Spacers:
    Spacers are pieces of metal or plastic that are shaped to fit right on top of your top hat. Spacers can be any height that one desires, but most are 1 in. Spacers lift the car because they push the whole strut down, increasing the distance between the strut and the car body(think of it like increasing the length of the strut), giving you a lift!

    Pros of Spacers:
    Simple to install
    No Maintence needed once installed
    Sway bars can still be hooked up
    Since your altering the position of strut and not the strut itself, your car still handles the same.

    Cons of Spacers:
    Can be expensive ($250ish)
    Requires an alignment afterwards
    May not be available for your MY

    Where to buy:
    Jacksonrally
    Make your own

    How to Install
    1. Remove strut (search!)
    2. Remove tophat
    3. You are going to have install longer tophat bolts for there to be enough room for you to secure them to your car. To do this take a long enough socket, place it under the tophat bolt, then hit the bolt till it comes out. Do the same for all three.
    4. Put new longer bolts in, put strut back together.
    5. Replace strut, tighten bolts, done!

    Forester and Outback Struts
    These take alittle more work than the spacers, but gives you more height. This means more body roll, but that can be taken care of with new springs if your are worried about that. After you install the forester struts, you will have major camber and castor issues. T

    Pros:
    More lift
    Can be found for cheap

    Cons
    Requires alignment
    Can cause the axels to wear out faster(more of an angle)
    Need to fix camber and caster

    What can you use to lift your Subaru Impreza:

    2008 Impreza
    ?

    2002-2007 Subaru Impreza RS, 2.5i, OBS, Wrx

    Jackson Rally 1in Spacers
    2001-200? Forester Struts

    1999-2001 Subaru Impreza Rs, OBS

    Bigger Tires
    Putting bigger tires on is an essential part of lifting your Subaru. The biggest size that works with minimum rubbing is 215/65/16 or 215/70-75/15. I would recommend not go any bigger than those sizes. There is minimul room between the strut and the tire with the 215/65/16 on my car.

    YOU WILL RUB!!1!1!111
    Your new bigger tires will rub against your mud flaps and plastic fender liner. Do not be alarmed! There are a few things you can do to stop the rubbing.
    The only time when I had my tires rub against the flaps is when going over bumps. The tops of mud flaps will be rubbed down. You can trim your flaps or just wait for the tires to rub the flaps enough so that it doesn’t rub anymore. This takes about a week or two.
    At full lock your tires will rub against the liners. You can trim them so they don’t rub or just remove them completely. I recommend just waiting so they don’t rub anymore, again it will take a few weeks. On my car, it was rubbed down enough to cause a small hole in the liner, but that doesn’t bother me nor hurt the car


    Enjoy your new lifted Subaru!

  3. #3
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    There's only one spring I found that advertised increased ride height for the Impreza, it's the King Springs. On my 2003 WRX, they lifted the front about 1", and the rear about 3". Note though that the rear springs were old and sagging so not all of that lift was due to that King Spring design. The rear ride height is slightly higher than the front, an inch or so I'd say (if you measure side frame rails). Ground clearance to the rear differential is ~9.5"; clearance to the front of my skidplate is ~9.25" (car has OEM size tires, about 50% worn).

    Looking at the part numbers of the King Springs, there IS no increased ride height spring for the rear on the Impreza, just the front. What Primitive Racing sells (where I bought mine) are the increased ride height Impreza King Springs for the front, and the standard Forester King Springs for the rear.

    Your other choice is the 'DIY lift kit' route, mixing/matching springs and struts from other Subarus.

  4. #4
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    Well here is some info i've put together lately that I posted on NASIOC...

    Alright, I did some looking into the Outback/Forester "Factory body lift" parts and made a little list of part numbers...

    OEM Body-lift parts:

    20570AC040 (2x) - Front Subframe Spacer 95-99 OBK
    20540AC000 (2x) - Front Subframe bolts 95-99 OBK

    34160AC030 - Steering Joint (longer) 95-99 OBK

    20570AC030 (2x) - Rear Subframe Spacer 95-99 OBK
    901000167 (4x) - Rear Subframe bolts 95-99 OBK

    41337AC010 (2x) - Rear Diff support spacer 95-99 OBK
    41321AC020 (2x) - Rear Diff mounting brackets 95-99 OBK
    41332AC000 (2x) - Rear Diff mounting bolt 95-99 OBK

    20520AC030 - RH Trailing link bracket 95-99 OBK
    20520AC040 - LH Trailing link bracket 95-99 OBK

    41021AC370/41021AC330/41021AC470 - 5MT Transmission crossmember 95-99 OBK
    41011SA000/41021AC470/41011SA020 - 5MT Transmission crossmember 03-08 Forester
    41021FC070/41021AC310/41021AC330 - 5MT Transmission crossmember 98-02 Forester

    41040AC000 - Pitch rod 95-99 OBK
    41040AE010 - Pitch rod 03+ Forester
    32035aa060 - Pitch rod mount (transmission side) 03+ Forester/95-99 OBK


    20520AC010 - LH Rear swaybar mount 95-99 OBK (sits ~1" lower)
    20520AC000 - RH Rear swaybar mount 95-99 OBK


    Now I'm not sure whats compatible with what cars exactly, but I'm specifically focusing on information for lifting imprezas (GC's and GD's).

    I'm trying to figure out the strut situation. There are A LOT of part numbers for Forester struts over the years, and I also want to know exactly what struts are compatible with Imprezas. From what i'm seeing, GD (02-07) wagons have compatible rear suspensions to Foresters, but what about the sedans and what about the GC's (93-01's)?

    For reference, here is a list of Forester strut part numbers...

    Forester Struts

    Front (LH/RH):

    98-02 20310FC030/20310FC020
    98-02 20310FC050/20310FC040
    03-08 20310SA0109L/20310SA0009L
    03-08 20310SA0519L/20310SA0419L
    03-08 20310SA1109L/20310SA1009L
    03-08 20310SA130/20310SA120
    03-08 20310SA1919L/20310SA1819L

    Rear (LH/RH):

    98-02 20360FC130/20360FC120
    98-02 20360FC150/20360FC140
    98-02 20360FC231/20360FC221 Self-leveling $$$
    03-08 20360SA0109l/20360SA0009L
    03-08 20360SA130/20360SA120
    03-08 20360SA0909L/20360SA0809L
    03-08 20360SA1919L/20360SA1819L
    03-08 20360SA230/20360SA220
    03-08 20360SA113/20360SA103 Self-leveling $$$



    I still want to figure out which Imprezas can fit the forester rear strut tops and what not. From what i've seen so far, the 02-07 Wagons can straight-swap forester rear strut assemblies, correct?

  5. #5
    Regular Contributor mcb956's Avatar
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    Quote Originally Posted by Matt314 View Post
    There's only one spring I found that advertised increased ride height for the Impreza, it's the King Springs. On my 2003 WRX, they lifted the front about 1", and the rear about 3". Note though that the rear springs were old and sagging so not all of that lift was due to that King Spring design. The rear ride height is slightly higher than the front, an inch or so I'd say (if you measure side frame rails). Ground clearance to the rear differential is ~9.5"; clearance to the front of my skidplate is ~9.25" (car has OEM size tires, about 50% worn).

    Looking at the part numbers of the King Springs, there IS no increased ride height spring for the rear on the Impreza, just the front. What Primitive Racing sells (where I bought mine) are the increased ride height Impreza King Springs for the front, and the standard Forester King Springs for the rear.

    Your other choice is the 'DIY lift kit' route, mixing/matching springs and struts from other Subarus.
    The rear springs on my 02 WRX sedan are saggy and I am looking to replace them (the fronts are recently re-done already) with a lifted set. Is there any extra mods that will have to be done to put the Forester King Springs in? I also have a set of the 1" Jackson Rally spacers on the way. Are these things compatible or will I have to go with the standard Impreza King Springs if I use the spacers?

  6. #6
    DirtyImpreza Badass bue car's Avatar
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    i use impreza springs and 1 inch lift. i like it, you will need camber bolts in the rear tho.

    as for fozzie kings, idk

  7. #7

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    There is some awesome info here, thanks a lot guys!

    I'm looking to lift my OBS as well. The struts in it are shot and so...time for an upgrade!

    I've done some digging and was on KYB's website looking at the part numbers for top hats of different Subarus and put this together:


    KYB Top Hats
    Model Year Front Left Front Right Rear Left Rear Right
    Forester 03 05 SM5361 SM5361 SM5422 SM5422
    Forester 98 02 SM5361 SM5361 SM5244 SM5245
    Impreza 04 07 SM5361 SM5361 SM5422 SM5422
    Impreza 02 03 SM5361 SM5361 SM5244 SM5245
    Impreza 94 01 SM5361 SM5361 SM5243 SM5243
    Legacy 00 08 SM5361 SM5361 SM5214 SM5214
    Legacy 95 99 SM5361 SM5361 SM5244 SM5245


    Now I think this should indicate what struts will bolt right up to what cars, given that they use the same strut mount right?

    What I'm thinking about doing is just getting some new forester struts and keeping my OBS springs. But if I'm just getting new struts then I wont be getting the mounts with them and so it wouldn't matter what Forester struts I got. I'd like to find some info on how different spring rates and heights compare though and some dimensions (spring perch height and total height) on the struts themselves would be nice too. Anyone know where to look?
    -Kyle

  8. #8

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    Quote Originally Posted by inferno363 View Post
    There is some awesome info here, thanks a lot guys!

    I'm looking to lift my OBS as well. The struts in it are shot and so...time for an upgrade!

    I've done some digging and was on KYB's website looking at the part numbers for top hats of different Subarus and put this together:


    KYB Top Hats
    Model Year Front Left Front Right Rear Left Rear Right
    Forester 03 05 SM5361 SM5361 SM5422 SM5422
    Forester 98 02 SM5361 SM5361 SM5244 SM5245
    Impreza 04 07 SM5361 SM5361 SM5422 SM5422
    Impreza 02 03 SM5361 SM5361 SM5244 SM5245
    Impreza 94 01 SM5361 SM5361 SM5243 SM5243
    Legacy 00 08 SM5361 SM5361 SM5214 SM5214
    Legacy 95 99 SM5361 SM5361 SM5244 SM5245


    Now I think this should indicate what struts will bolt right up to what cars, given that they use the same strut mount right?

    What I'm thinking about doing is just getting some new forester struts and keeping my OBS springs. But if I'm just getting new struts then I wont be getting the mounts with them and so it wouldn't matter what Forester struts I got. I'd like to find some info on how different spring rates and heights compare though and some dimensions (spring perch height and total height) on the struts themselves would be nice too. Anyone know where to look?
    We have a 1" lift kit that will work for your OBS. Drop us a line if you have any questions or check us out at: www.subtle-solutions.com

    All of our products are Designed, Engineered, and Manufactured in the USA!

    NEWS: 1" Lift Kits & HDPE Spacers are IN STOCK NOW!

    Website: www.subtle-solutions.com


    Facebook: www.facebook.com/SubtleSolutions

  9. #9

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    www.sjrlift.com if you contact this guy his name is Scott. He has lifts for just about any subaru. I lifted my 91 legacy 4" with his kit and fit 28" tires under it. The only part you have to do yourself is lengthen your shifting linkage and steering rod. But it is a good kit that resets the rear suspension geometry so that the tire is centered in the wheel well and not too far forward, it is a complete body lift. I am running outback struts as well so I have about 5" of lift.

  10. #10

  11. #11

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    Just an FYI I do live with some rubbing side to side turning with this big of tire. I just need to do some more beating and cutting heh.

  12. #12

  13. #13

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    This same kit would be used on 93-2001 imprezas as well. Its quite tempting to lift my 95 brighton coupe heh.

  14. #14
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    http://www.dirtyimpreza.com/forums/s...ad.php?t=16296

    Kinda my DIY Outback lift, almost 100% complete

  15. #15
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    I used the following (probably not the ideal price though):

    KYB Tophats
    Paranoid Fabrications 1/4" spacers in the front
    Paranoid Fabrications 1/2" saggy butt spacers
    Jackson Rally 1" lift kit
    King lift springs
    JDM ProdriVe WR Bilstein Struts

    It's semi noticeable with a lift of 1.5-2". It does handle quite amazing off road though.
    Jonny Walker
    99 Subaru Impreza OBS Wagon

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