Rally/Hillclimb 325iX Turbo

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  • Fraser
    Advanced Member
    • Nov 2003
    • 194

    #1

    Rally/Hillclimb 325iX Turbo

    I've always sort of lamented about my lack of drive to ever put together a proper build thread for any of my cars- for both the sake of my own record-keeping and the hope of perpetuating forum-based car content. Facebook has gotten ever increasingly annoying and the content just isn't the same when it comes to car projects and documenting them in any kind of organized way. I grew as a human and car enthusiast using forums on a daily basis- my first e30 (early model eta) sported an e30sport.net sticker around 2002 or so, a great forum that eventually went defunct as e30tech sort of took over. I used bimmerforums.com very regularly as I had e36s occasionally and the odd e21, 2002, etc...but the model specific forums were always better from the standpoint of focused information.

    Anyway. Those were the days. Forums are dying because less and less people interact with them. This is my shot as an attempt to help, and I'll try to do better with involvement via this thread and everywhere else on r3v just like we always used to.

    So....this is roughly 7 years too late and the car is already doing the things it was meant to do- so, this will be a sort of cliff notes from the beginning until now and I'll try as hard as I can to properly document future progress from here on out.

    Here is the car we're dealing with, that started as a yuppie's front range Colorado daily driver (presumably), slowly moved it's way down what I'd casually call the "e30 ownership landslide of doom", and eventually ended up in the hands of one of my oldest friends as a DD, and then myself. It then sort of moved along the line- going from dirtbag boater/ski/mountain bike utensil, to more of a dedicated rallycross car, did some track days and the odd autox or two, picked up a turbo somewhere along the line, and eventually found it's new life as a caged stage rally/hill climb car.

    Here are a few pictures as a start. I'll go through all my media over the years and attempt to piece together some sort of timeline for the car and try to keep the thread going for a bit just to get caught up with where it's currently at.


    These are humble beginnings as a Central CO dirtbag "sport activity vehicle" as should be intended, instead of some goofy crossover SUV....



    Did a bunch of Rallycross with my pal Seth, starting around 2015 (I think?) Pretty successful, nearly won our first season in Stock class, then moved our way up to Prepared and eventually Mod.



    Attached Files
    Last edited by Fraser; 12-06-2022, 06:56 PM.

    325iX Turdbo Rally/Hillclimb/Beater
  • Fraser
    Advanced Member
    • Nov 2003
    • 194

    #2
    Just to get us up to speed with where the car is in the fall of 2022, I'll work on all the stuff in the middle in the meantime.







    Here is a quick video my pal made of our last season running with Colorado Hill Climb Association
    Attached Files
    Last edited by Fraser; 12-06-2022, 06:58 PM. Reason: Figuring out how to embed photos

    325iX Turdbo Rally/Hillclimb/Beater

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    • wazzu70
      E30 Enthusiast
      • Jan 2005
      • 1143

      #3
      Looks awesome!

      e30sport.net. Man, thats going back. Next we have DTMpower!

      Are you from Fraser? Trying to figure what constitutes central CO. Ive been up and down I70 and around Kremmling doing vehicle testing.
      -Nick

      M42 on VEMS

      Comment

      • Fraser
        Advanced Member
        • Nov 2003
        • 194

        #4
        Originally posted by wazzu70
        Looks awesome!

        e30sport.net. Man, thats going back. Next we have DTMpower!

        Are you from Fraser? Trying to figure what constitutes central CO. Ive been up and down I70 and around Kremmling doing vehicle testing.
        Holy crap I forgot about DTMPower...I for sure was on there too- I remember being dumb enough to think that all the weird Gumball builds were really cool at the time.

        I AM Fraser, I live in a place called Salida, roughly 2 hrs west of Colorado Springs...

        325iX Turdbo Rally/Hillclimb/Beater

        Comment

        • DEV0 E30
          R3V OG
          • Oct 2004
          • 8816

          #5
          I love this, and the different take on an old school livery.
          Project: Touring | Project: Unknown | Phoenix, Arizona Events Thread

          Comment

          • decay
            R3V Elite
            • Oct 2003
            • 5637

            #6
            that was a fun watch. you had one hairy "moment" in there, as the WRC presenters like to say, that made me clench a little. dirt good, trees bad.

            good to see someone going with an interesting approach rather than just buying a used WRX. keep not lifting.
            past:
            1989 325is (learner shitbox)
            1986 325e (turbo dorito)
            1991 318ic (5-lug ITB)
            1985 323i baur
            current:
            1995 M3 (suspension, 17x9/255-40, borla)

            Comment

            • Jb325is
              R3VLimited
              • Oct 2003
              • 2137

              #7
              Awesome, enjoyed the video. Interested to see the progression. What works and what doesn't for suspension in stage rally? Stock springs with better dampers? Bigger swaybars?

              I like the paragraph about the e30 lifecycle progression- My current sedan is in the mountain bike utensil stage, a roll bar away from moving onto weekend driver / track day car, we'll see where we end up!
              - '88 m54 coupe

              <3

              Comment

              • Fraser
                Advanced Member
                • Nov 2003
                • 194

                #8
                Originally posted by Jb325is
                Awesome, enjoyed the video. Interested to see the progression. What works and what doesn't for suspension in stage rally? Stock springs with better dampers? Bigger swaybars?

                I like the paragraph about the e30 lifecycle progression- My current sedan is in the mountain bike utensil stage, a roll bar away from moving onto weekend driver / track day car, we'll see where we end up!
                The suspension has been a years long progression sorting out what works well vs what works ok.... Currently I'm running a fairly long (8"?) 275lb front spring in the front and e36 m3 vert springs in the rear. Using stock pencil thin iX rear sway, no sway in the front. That arrangement works really well for rallyx and quick transitions but I may try a full sway setup again next season for hillclimbs. The small/no sway setup can be pretty spooky in circumstances where the car unloads in corners at really high speed- it basically feels like the spring rates are way too soft.

                This is the currently front strut assembly- I'm about to send a spare set of strut housings to GC for them to reinforce and powdercoat, mostly so it doesn't look so crappy....
                Click image for larger version

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                The suspension is sort of an ever evolving compromise- there isn't much stuff out there for off the shelf iX parts, and making the jump to purpose built high end rally suspension is really big bucks....
                Last edited by Fraser; 12-08-2022, 08:21 AM. Reason: Sorting photos

                325iX Turdbo Rally/Hillclimb/Beater

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                • Fraser
                  Advanced Member
                  • Nov 2003
                  • 194

                  #9
                  Originally posted by decay
                  that was a fun watch. you had one hairy "moment" in there, as the WRC presenters like to say, that made me clench a little. dirt good, trees bad.

                  good to see someone going with an interesting approach rather than just buying a used WRX. keep not lifting.
                  Thanks! I have many years experience in high performance driving situations, but I certainly don't claim to be the best driver in the world- our goal generally is to not crash the car but it seems like there's almost a "moment" or two at every event.

                  The stock iX steering rack ratio certainly doesn't compliment the "swatting at bees" factor when you get into a high speed (or low) tank slapper, it's a frickin challenge to get the wheels pointed in the right direction. This will be fixed this winter.

                  325iX Turdbo Rally/Hillclimb/Beater

                  Comment

                  • Fraser
                    Advanced Member
                    • Nov 2003
                    • 194

                    #10
                    This post is mostly a photo dump of random stuff through out the years

                    This was the very first rallyx setup for stock class, probably 2015-16? Snow tires, stock springs/shocks, etc... I think I had it in my head that it need more ride height too, so I believe I had some spring spacers/pads in the rear to jack it up. Later learned this is really unnecessary....

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                    I know people are like "rallyx really isn't that hard on the cars! You can bring your DD!" I would mostly disagree with this. Lots of broken shit over the years...

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                    Fleet of 80s garbage at my shop as usual...

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                    Somewhere along the line it seemed like a good idea to work on a pretty typical hx35 setup...I'll try to line out the details in another post.

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                    325iX Turdbo Rally/Hillclimb/Beater

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                    • Fraser
                      Advanced Member
                      • Nov 2003
                      • 194

                      #11
                      The turbo setup evolved slowly, generally was running 8 psi or so for a while as I was milking the stock clutch. Eventually addressed that and run 12 or so most of the time. The eBay "gripforce" clutch I was recommended still didn't cut it after some time and abuse. That's finally getting fixed for good this winter.

                      The car was still really great to go on casual drives and the occasional track/autox/rallyx day

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                      Gotta have fuel

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                      If there was ever any question about how silly Holsets are, stick one next to the stock k26 from a 944 turbo....

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                      325iX Turdbo Rally/Hillclimb/Beater

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                      • downforce22
                        No R3VLimiter
                        • Aug 2009
                        • 3187

                        #12
                        now this is the content we have been waiting for.

                        My contribution to the day we met after possibly exchanging some messages on this forum. The 2019 Drive 4 Corner event where I was chasing you in my 5 lug 318is

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                        318iS Track Rat :nice: www.drive4corners.com
                        '86 325iX 3.1 Stroker Turbo '86 S38B36 325

                        No one makes this car anymore. The government won't allow them, normal people won't buy them. So it's up to us: the freaks, the weirdos, the informed. To buy them, to appreciate them, and most importantly, to drive them.

                        Comment

                        • Fraser
                          Advanced Member
                          • Nov 2003
                          • 194

                          #13
                          Originally posted by downforce22
                          now this is the content we have been waiting for.

                          My contribution to the day we met after possibly exchanging some messages on this forum. The 2019 Drive 4 Corner event where I was chasing you in my 5 lug 318is


                          Thanks Ted! Your build helped me immensely in sorting out a lot of little details with getting the turbo stuff going. You're the OG killer turbo IX!!

                          Always fun to drop by your place and let the e30's hang with their brethren....

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                          Attached Files
                          Last edited by Fraser; 12-10-2022, 12:20 PM.

                          325iX Turdbo Rally/Hillclimb/Beater

                          Comment

                          • decay
                            R3V Elite
                            • Oct 2003
                            • 5637

                            #14
                            Originally posted by Fraser

                            Thanks! I have many years experience in high performance driving situations, but I certainly don't claim to be the best driver in the world- our goal generally is to not crash the car but it seems like there's almost a "moment" or two at every event.

                            The stock iX steering rack ratio certainly doesn't compliment the "swatting at bees" factor when you get into a high speed (or low) tank slapper, it's a frickin challenge to get the wheels pointed in the right direction. This will be fixed this winter.
                            i just bought a Z3 and it handles like an e30 coupe with a stiffer chassis but definitely had to get used to the 2.7 steering ratio after so many years driving e30s.

                            don't discount yourself as a driver; rally is a battle of attrition. and now i'm off to watch some rally crash videos on youtube, finland is a goldmine for that.
                            past:
                            1989 325is (learner shitbox)
                            1986 325e (turbo dorito)
                            1991 318ic (5-lug ITB)
                            1985 323i baur
                            current:
                            1995 M3 (suspension, 17x9/255-40, borla)

                            Comment

                            • Fraser
                              Advanced Member
                              • Nov 2003
                              • 194

                              #15
                              Originally posted by decay

                              i just bought a Z3 and it handles like an e30 coupe with a stiffer chassis but definitely had to get used to the 2.7 steering ratio after so many years driving e30s.

                              don't discount yourself as a driver; rally is a battle of attrition. and now i'm off to watch some rally crash videos on youtube, finland is a goldmine for that.
                              Ha you're totally right about the "battle of attrition part", we were actually able to eek out 4th in Rally AWD class this season with CHCA against some really serious builds. We weren't necessarily faster but we made every event and didn't crash or break, which is really all I could hope for!

                              325iX Turdbo Rally/Hillclimb/Beater

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