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  1. MountainPass

    Highland suspension on 2019 Model 3

    I may have (falsely) assumed he would be using AWD suspension, but if he has access to RWD Highland suspension I don't see a problem!
  2. MountainPass

    Highland suspension on 2019 Model 3

    Keep in mind that you have a lighter front end than an AWD Highland does, so the front spring rates and damper valving may not be appropriate for you. With our own coilover kits, we run softer front springs on the RWD cars versus the AWD cars to compensate for this.
  3. MountainPass

    Rear adjustable camber arms

    You actually don't need to do this if you're installing the MPP arms because you will have spherical bearings on both ends, which means it doesn't need to be torqued at ride height.
  4. MountainPass

    Rear adjustable camber arms

    That's correct. You won't run out of factory toe adjustment unless you lower the car even further or run extreme camber settings (positive or negative).
  5. MountainPass

    Rear adjustable camber arms

    If it wasn't aligned after those were installed your tires will die a quick and certain death.
  6. MountainPass

    Rear adjustable camber arms

    It may very well be that the car was not properly aligned after it was lowered.
  7. MountainPass

    loud sound accompany by a jolt while backing out of garage... video clip.

    That's a loud noise. I would take it in as soon as you can and try not to drive too much in case something is loose.
  8. MountainPass

    Rear adjustable camber arms

    I think I just replied to your email but if your goal is to adjust or correct the rear camber, you only need the camber arms. Toe arms are optional!
  9. MountainPass

    Model Y 20" induction wheels unstable at highway speed

    I would bring it back to the SC for an alignment check if it is brand new. I have done many alignments on brand-new cars during a PDI because the alignment shifted when strapped down in transport (or wasn't aligned that well, to begin with.) A test drive to check this is normally what is done...
  10. MountainPass

    Available MPP Black Friday Sale 2023! 8-10% Off Until Nov 26!

    No, I have no idea why this would be bumped up since it is 4 months old!
  11. MountainPass

    22 MYP Front Tire Width Maximum

    The FUCAs will provide the camber needed to clear the fenders. I think the clearance issue you could run into with 19x10.5+30 will be the barrel to the front spindle. The actual width of the wheel is conservative compared to what we were running! I felt that the 20-inch wheels still looked a...
  12. MountainPass

    22 MYP Front Tire Width Maximum

    We ran this setup on our MYP but it required additional camber to clear the fenders: Volk Racing TE37 20x11+30 Pirelli Super Trofeo R 285/35R20 The size you're looking at (285/35R19) is over 1 inch shorter than the stock tire diameter. It wouldn't be my first choice, but I understand if you...
  13. MountainPass

    Model S Plaid alignment issues?

    You will find a lot of threads about this issue!
  14. MountainPass

    Tire pressure issue

    I would set the tire pressures evenly first thing in the morning and avoid having the car parked in the sun before you do this. Just having the sun shining on one side of your car will cause those tires to heat up and increase in pressure.
  15. MountainPass

    Suspension groaning when turning wheel

    They usually will fix it under warranty unless your car has suspension modifications
  16. MountainPass

    The quest for the ultimate efficiency.

    This makes sense! I was baffled at someone making such an effort to get awesome efficiency and collect data but run the tires 10psi too low!
  17. MountainPass

    Suspension groaning when turning wheel

    If it is more of a creaking noise like an old door, it could be your front upper control arm balljoints. If it is a groan, it actually might be your brakes. Try making those maneuvers with the brakes totally off (roll mode) or push the brakje pedal down hard and really clamp them down.
  18. MountainPass

    randomly veering and sometimes goes straight suspecting steering rack? but no code

    Those bolts can back out or even be loose from the factory. If you drive your car hard, it would be a good idea to recheck them every now and then. How are the bushings in those arms looking?
  19. MountainPass

    Would it be O.K to leave Model 3 unplugged for 5 weeks?

    It is like an itch you need to scratch, but try not to check the car on your app constantly, even if you are worried about the SOC.
  20. MountainPass

    The quest for the ultimate efficiency.

    Can you redo the rest with your tires pumped up to typical Tesla pressures ie. 42-45psi? I think that would make a significant difference!
  21. MountainPass

    245/45r19 tires on 19x9.5" +29 Apex 5rs wheels? (23' M3P)

    245/45R19 would have an overall diameter of 27.7 inches which is too tall for a Model 3. The 265/35R19 they recommended is 26.3 inches which is just about the sweet spot for this car. Can you find a 245/40R19 that you like?
  22. MountainPass

    Driving without seatbelt.

    The car needs to see at least 1 of 2 things to not automatically switch to Park: - Seat belt buckled - Butt in the seat
  23. MountainPass

    Mystery rising tone from speakers

    Can you take a video of it so we can hear?
  24. MountainPass

    Vendor eas | Southern California Tesla tuning source and daily showroom

    They work well on these cars, don't they?
  25. MountainPass

    How are the wheel bearings on long range or performance holding up for you with lot of miles?

    It is necessary because they developed significant play and became very noisy. The wheel bearings were not that expensive, around $500 per axle. Labor is free because I replaced them myself!
  26. MountainPass

    How are the wheel bearings on long range or performance holding up for you with lot of miles?

    With lots of track days we have been replacing wheel bearings around every 75,000 km.
  27. MountainPass

    Rear Wing for CT

    OP needs downforce and lots of it.
  28. MountainPass

    Got my first coal roll

    I live in a small town where half the vehicles are Dodge Rams and somehow this still hasn't happened to me!
  29. MountainPass

    Autocross- SCCA EV-X Class vs. SS

    I enjoyed both the Falkens and the Bridgestones but the RE71RS were faster and didn't fade as much over a long session.
  30. MountainPass

    adizon's M3P build thread

    Fantastic photos of your past vehicles and your new Model 3! We are all looking forward to seeing how you tastefully modify your Tesla.
  31. MountainPass

    Model 3 Highland (Canada) Waiting room

    We saw a Highland with a dealer plate yesterday on the 400 when testing Rivian Supercharging!
  32. MountainPass

    Model 3 Highland Performance/Plaid Speculation

    We have a running list of the parts that are confirmed so far and it has been a 100% success rate in fitting the suspension and brakes from existing Model 3s to the Highland! Model 3 Highland Product Compatibility More to come in the following weeks.
  33. MountainPass

    Master cylinder brace review! Better value than MPP?

    I already got over the trauma of our first part being knocked off, stop bringing it back up! 😅
  34. MountainPass

    Highland suspension on 2019 Model 3

    You don't want to lower the car, so lowering it by 10mm would be a compromise for you.
  35. MountainPass

    Highland suspension on 2019 Model 3

    One of our Australian customers will be fitting the Sports kit on his Highland in about a 1-weeks time (he was running lowering springs and has unfortunately blown a stock damper already) so we will be able to get some feedback on how they compare to the stock suspension. The Sports kit was able...
  36. MountainPass

    New Mountain Pass Performance (MPP) Comfort Coilovers

    You're welcome! I believe I updated your orders today!
  37. MountainPass

    New Mountain Pass Performance (MPP) Comfort Coilovers

    Orders from January and February are all shipping now! We will continue filling backorders through March and then plan to have them in stock moving forward! :)
  38. MountainPass

    Highland suspension on 2019 Model 3

    Yes, but you'd need to raise the car around 1.5" inches if you want to maintain the full suspension travel that you'd have with 10mm of lowering. Installing the lift kit and raising the car 1.75" then lowering it down to stock ride height isn't going to provide great results.
  39. MountainPass

    Highland suspension on 2019 Model 3

    Fear not, I am here!!! Our coilovers can be set at a maximum height of 10mm lower than stock compared to the OEM LR suspension. If you don't want to lower your car at all you may need to look at other options. Our coilovers have a wide range of operating heights but stock height isn't one of them.
  40. MountainPass

    Highland suspension on 2019 Model 3

    Sure, they are built in Germany by KW Suspensions and use stainless steel, twin-tube dampers. Our prices are in USD! I'd suggest checking out our Comfort Non-Adjustable kits for the budget-minded Tesla owner. Comfort Coilovers for Tesla Model 3 AWD/Performance
  41. MountainPass

    Model Y failed annual inspection due to brake pads/rotors needing replacement!

    I just went down for a sanity check and it is still there in the Pedals and Steering menu!
  42. MountainPass

    Model Y failed annual inspection due to brake pads/rotors needing replacement!

    Oh no, it is an option on my SR+ M3 but I believe you're right and it has been removed for the Model Y. I suppose you can use the Brake Burnishing mode in the Service Menu but that's not so convenient.
  43. MountainPass

    Highland suspension on 2019 Model 3

    We are, slowly! It looks like the next confirmation will be the full coilover kit, which will answer a few questions here.
  44. MountainPass

    Model Y failed annual inspection due to brake pads/rotors needing replacement!

    They may have been put off by rusty rotors from regen driving. My suggestion is reducing regen settings during the winter so the brakes get used more and they get swept clean every drive. It also helps with the rear-biased braking that happens with regen in the snow.
  45. MountainPass

    MPP comfort coilovers problem

    They could have installed the Left on the Right and vice versa. The FUCAs are offset so if you have installed it on the wrong side it can move the wheel forward quite a bit. I have also seen the FUCAs installed upside down!
  46. MountainPass

    Shop/Installer Recommendation Portland, OR / Pacific NW (MPP Coilovers)

    That place above ended up having a fire and then the owner went MIA so that recommendation is no longer good. Here are a few shops to try! Beaverton 503 Motoring 503-469-9821 Beaverton Rev Motorsports, LLC 503-356-2222
  47. MountainPass

    New Mountain Pass Performance (MPP) Comfort Coilovers

    You can do that with the less-expensive Comfort Coilovers for Tesla Model Y. They are height adjustable and tuned for comfort, so unless you're looking for the ability to stiffen things further or the corrosion resistance of stainless steel, this kit would make the most sense.
  48. MountainPass

    New Mountain Pass Performance (MPP) Comfort Coilovers

    I am glad you asked! The damper dimensions are different, the damper valving is different, the spring rates are different and the spring shapes are different. They are not compatible at all. If they were that would have saved us a lot of time when the Y came out!
  49. MountainPass

    Lifted Model Y Owners: Report!

    You'll end up with around 0* of rear camber