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Thread: Tim's Mystic Blue ZHP Coupe

  1. #111
    Join Date
    May 2020
    Location
    Toronto, ON
    Posts
    381
    Quote Originally Posted by ZHPizza View Post
    I cannot believe you used those deathtrap spring compressors in public. You could have killed dozens of bystanders.
    I can't tell if this comment is serious - are those really that bad? If it's any consolation I parked pretty much in the back corner of the lot and there was no one around for at least another 25 m
    2004 BMW 330CI ZHP (well, technically ZAM)


  2. #112
    Join Date
    Nov 2016
    Location
    Charlotte, NC
    Posts
    2,821
    Quote Originally Posted by t.er View Post
    I can't tell if this comment is serious - are those really that bad? If it's any consolation I parked pretty much in the back corner of the lot and there was no one around for at least another 25 m
    Lol half

    Those things are terrifying. There's an old mafia bro up in your area that was using those and took a coil spring to the safety glasses. Damn near lost an eye/face. Doubt he'll see this but @slater

    I picked up this contraption a while back and it is significantly better for the user's health

    https://www.amazon.com/dp/B01DP2CDJU..._eL9tFb465WYTM

  3. #113
    Quote Originally Posted by ZHPizza View Post
    Lol half

    Those things are terrifying. There's an old mafia bro up in your area that was using those and took a coil spring to the safety glasses. Damn near lost an eye/face. Doubt he'll see this but @slater

    I picked up this contraption a while back and it is significantly better for the user's health

    https://www.amazon.com/dp/B01DP2CDJU..._eL9tFb465WYTM
    I donít know if thatís any better.. yikes




    Sent from my iPhone using Tapatalk

  4. #114
    Join Date
    Nov 2016
    Location
    Charlotte, NC
    Posts
    2,821
    Quote Originally Posted by d-rod View Post
    I don’t know if that’s any better.. yikes
    oh shit

  5. #115
    Join Date
    May 2020
    Location
    Toronto, ON
    Posts
    381
    Quote Originally Posted by ZHPizza View Post
    Lol half

    Those things are terrifying. There's an old mafia bro up in your area that was using those and took a coil spring to the safety glasses. Damn near lost an eye/face. Doubt he'll see this but @slater

    I picked up this contraption a while back and it is significantly better for the user's health

    https://www.amazon.com/dp/B01DP2CDJU..._eL9tFb465WYTM
    Yeah, I know slater, I talked with him extensively about the Vincebar back when I found my crack in the RACP. Too bad it doesn't seem he's on here lately (or other peeps from around South Ontario). After seeing your comment I did some snooping around, and count my blessings that I'm totally done with spring compressors. There is enough droop and the springs are so short that I can swap springs without needing to use a compressor.

    Quote Originally Posted by d-rod View Post
    I don’t know if that’s any better.. yikes

    Sent from my iPhone using Tapatalk
    fffffffffffffff



    On a negative note, I trimmed flaps into the trunk liner, and as I was testing out how easy one of the rear shocks was to adjust I found myself with oily fingers. I went ahead and checked the rest of the adjusters, one of the fronts has a light coating of oil after cycling through the entire range of the knob, the other front and other rear are bone dry. However the adjusters don't leak when driving, only while turning them. Really, really hoping this isn't a major issue, and perhaps I'm able to replace the adjuster seals on my own

    Update: Called GC and they said if the adjusters haven't been touched in some time, some weepage is normal, once they have been used a bit and are broken in they shouldn't continue to weep. This is the case for all but the LR shock, weepage has definitely gone down but there is still a light coating of oil that forms whenever the knob is turned. Not much I can do other than keep an eye on it for now
    Last edited by t.er; 09-02-2020 at 11:13 AM.
    2004 BMW 330CI ZHP (well, technically ZAM)


  6. #116
    Join Date
    Dec 2019
    Location
    Raleigh, NC
    Posts
    244
    Quote Originally Posted by ZHPizza View Post
    oh shit
    Looks like death is the only option when working on the front struts.
    330i Base | Mysticblau | Slicktop | 6MT

  7. #117
    Join Date
    Jun 2012
    Location
    Socal
    Posts
    1,314
    I mean, you could technically use the car as the compressor too. I like the wall spring compressors that some shops have. Those are the best.

  8. #118
    Join Date
    May 2020
    Location
    Toronto, ON
    Posts
    381
    To easily gain access to the rear rebound adjusters, I went ahead and trimmed the rear trunk liners. I was debating on whether or not to cut actual holes out and use edge trim, or potentially use large plastic plugs that could be easily removed. However, after some looking around online I decided trim flaps on each side, which just fold back when adjusting – definitely the most stealthy way to do it. The right side is slightly rearwards but is still fine, but damn I should've cut the left side higher. I could still get to the adjuster but it was pretty tight so I had to make 2 relief cuts for a 2nd flap on top. All in all, not the end of the world since it's still pretty stealth, but I'd definitely recommend taking multiple measurements before cutting.














    The first outing with my coilovers was another autox with OMSC. Obviously I have no time to tune the damping settings, so compression was left at 2/12 clicks from soft (mainly because I forgot to change them when I swapped the track wheels on), front rebound set to 1.25/2.5 turns, and rear rebound set to 0.5/2.5 turns from firm. I would say the car feels similar to how it did before, but it’s a whole lot more responsive in transients (such as the quick left-right-left in a box, or a slalom), and doesn’t understeer as much. However, I also felt quite a bit of pitching, the rear end was bouncing around from mid-corner to corner exit on one or two of the corners, which enforces my theory that the ride frequencies are not where they should be. Unfortunately it’s really hard to gauge if my car was actually faster as a result of installing the coilovers since the track was too much of a variable – let’s just say that you know your course design is… less than ideal when this is the result after the first run from the first run group:








    And also, since I have had more seat time than just my quick jaunt around some smooth roads by my house, the coilovers have definitely had a detrimental impact on ride and NVH. Certain bumps such as going over expansion joints, or cracks in the pavement produce a bang that is much more audible than stock, and you definitely feel more of the bump transmitted to the seat of your pants through the chassis and the seat. Regardless, these statements make it seem worse than it really is – ride and NVH levels are still well within what’s considered reasonable IMO for a daily. I’ve only extensively driven 2 cars with coilovers, the other being a 2016 Camaro with BC Racing coils, and that thing is slightly worse with NVH, and much worse with ride.


    Another thing that’s annoying, is that for track I will be increasing negative camber, since adjustments are a whole lot quicker and repeatable with these Hybrid caster-camber plates (separate SHCSs for camber) than the street plates I previously had (relying on the 3 strut-top nuts). Unfortunately the positive jump post terminal on the right side of the car is in the way of the knob, I’m going to see if I can machine a new knob (preferable) or relocate the jump post (not as preferable).





    As an aside, I’m constantly in awe of the FRS/BRZ/86 platform, I knew from the get-go they designed it to be easily modified, but my friend and I were at autox and we were comparing camber plates. Not only does he have camber bolts, but the strut tower hole is much larger than ours, there’s so much more room than the E46 for their camber plates:


    2004 BMW 330CI ZHP (well, technically ZAM)


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