Perry
Active Member
Those will stick out quite a bit in front. Might want to try +35. There is enough clearance for +35 in that size.
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Vendor MPP Model 3 Build Thread
- Thread starter MountainPass
- Start date
DNAPoPo
Member
My choices were +20, +30, or +40, we'll see if it works. I'll post pics when installed, so far at 19x9 +30 it looks like I have some room to work with.
Daniel in SD
(supervised)
There is enough clearance for +40 (the stock offset) in that size too. 9.5" +39mm already sticks out a bit:
Sorry i didnt know how to edit my post =\ I accidently submitted before adding a standstill picture
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Looks like we need to hurry up with our front camber parts!
What's your strategy for adjusting front camber given the dual ball joint suspension on the lower control arm, does that change anything? I'm still trying to wrap my head around the design of the lower control arm(s) in general..
artsci
Sponsor
HeatproofGenie
Member
Do your Coilovers have the ability to raise the vehicle at all? I'm starting to like the idea of a Rally model 3. I'd imagine camber would have to be corrected as well unless stock setup has this much adjustment capability.
Safari Model 3! Could be pretty badass. How tough is that under tray? Do the batteries have any cushioning or isolation? From what I've seen no. Just spitballing.
Safari Model 3! Could be pretty badass. How tough is that under tray? Do the batteries have any cushioning or isolation? From what I've seen no. Just spitballing.
That's a secret! We can't afford to have it get knocked off due to oversharing information.
You would be our 3rd, we have already had 2 people force us to take their money for pre-ordersYes, please hurry. I’d like to be your first customer
The coilovers - no. Custom lift kit's we have made? Yes! The undertray is tough but I wouldn't go trying to 50/50 grind a highway divider like a skateboarder!
Haha fair enough - could you perhaps help me understand why this compression link has it's bushing oriented pointing up? I dont really understand that, seems like it would prevent it from moving up/down during body roll? Wouldn't this give some type of bumpsteer?
lookmtb
Member
That orientation is pretty common actually. My old Subaru used a very similar looking bushing. A bushing orientated that way resists forces on the wheel in the front to back direction of the car and it's very capable of flexing as the member moves up and down through the suspension travel.
HeatproofGenie
Member
The coilovers - no. Custom lift kit's we have made? Yes! The undertray is tough but I wouldn't go trying to 50/50 grind a highway divider like a skateboarder!
Nice. So like this but a Model 3
I think it actually does the opposite, it is free to rotate about the vertical axis which means it likely doesn't see much load during acceleration or braking. It definitely might flex/rotate enough, but it still seems odd and i'm wondering why they chose this design in the first place. Where's Mike Kojima when you need him...
lookmtb
Member
I think we might be mis-understanding each other. I tried to draw in paint (Very poorly) what I was tying to say.
The red arrow represents a force such as braking or acceleration (forward or backwards). That force results in a torque on the front member. The rear member only exists to counteract that. that bushing would be experiencing forces along the arrow I drew.
I also think their choice might also be due to their other choice of using multiple ball joints, which I didn't think was very common. I wonder what the advantage in that is.
The red arrow represents a force such as braking or acceleration (forward or backwards). That force results in a torque on the front member. The rear member only exists to counteract that. that bushing would be experiencing forces along the arrow I drew.
I also think their choice might also be due to their other choice of using multiple ball joints, which I didn't think was very common. I wonder what the advantage in that is.
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Hmm i see it this way - the red arrow would be a force from braking acting on the wheel and then the forward arm (the straight one) would see a rotational moment and the back arm (the curved one) would see a compression force, but NO moment since it rotates in the same plane as the braking load I think we're saying the same thing haha?
Either way, i dont see why they chose this over the more traditional style.
Alright answered my own questions with some reading and here to get this back on topic!
Seems this suspension design is fairly common and in fact is used on the 350z, which i think @MountainPass knows a little about since they have one of those too.
Sounds like we are likely to have problems with the compression arm bushing (#1 in pic above) prematurely wearing if we lower the car and i'm curious if anyone's talked to someone like SPL for a better bushing. Same thing for the bushings in the transverse link (#2) where it attaches to frame and coilover.
Also it sounds like you could make a nice upper control arm with adjustable camber and caster if we really wanted to get fancy
Seems this suspension design is fairly common and in fact is used on the 350z, which i think @MountainPass knows a little about since they have one of those too.
Sounds like we are likely to have problems with the compression arm bushing (#1 in pic above) prematurely wearing if we lower the car and i'm curious if anyone's talked to someone like SPL for a better bushing. Same thing for the bushings in the transverse link (#2) where it attaches to frame and coilover.
Also it sounds like you could make a nice upper control arm with adjustable camber and caster if we really wanted to get fancy
Alright answered my own questions with some reading and here to get this back on topic!
Seems this suspension design is fairly common and in fact is used on the 350z, which i think @MountainPass knows a little about since they have one of those too.
Sounds like we are likely to have problems with the compression arm bushing (#1 in pic above) prematurely wearing if we lower the car and i'm curious if anyone's talked to someone like SPL for a better bushing. Same thing for the bushings in the transverse link (#2) where it attaches to frame and coilover.
Also it sounds like you could make a nice upper control arm with adjustable camber and caster if we really wanted to get fancy
That is a very common wear item on most cars, usually requiring the replacement of the entire arm. I have used polyurethane replacements for that bushing before, but was unhappy with the associated NVH. On our Z we have a solid metal version, something like a rod end. This would wear out very quickly if it was used on the road, as it is completely open to dirt, sand and salt. We would love to replace that bushing but the options are certainly limited. Sasha has strongly expressed that he will not use polyurethane bushings anywhere on the car when I have suggested it!
We really like the composite upper control arm, and all the times I have aligned cars with adjustable upper control arms it was a pain in the butt!
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