G37 Sedan

Do I need adjustable camber arms? Toe bolts?

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Old Feb 3, 2025 | 12:16 AM
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Do I need adjustable camber arms? Toe bolts?

So I need to have my shocks replaced but I'm not happy with the stock suspension. I understand I can go a few routes to fix this but I'd like to lower my car when I move from where I currently live. The roads where I live are genuinely horrendous and I do a lot of driving so I'd like to keep it raised for now. I'd like to get coilovers so I researched a bunch and received an email from Silver's stating their NEOMAX maximum height was 1/4 to 1/2 inch below factory height. So my theory is I can run them at max height while I save up to move, then get the adjustable arms and bolts to dial in everything when I lower it more?

Would this be possible or would my alignment be off without them? I'd hate to spend all this money plus the coilovers only to show up to the shop and they tell me I didn't need everything if I'm at max height. And yes I'd just get new shocks but that'd be a waste of money if I'm just going to get coilovers in a year if that makes sense.

Also not entirely confident what I'll need when I do lower it since I'm AWD and keeping it divorced. Any insight would be extremely appreciated!
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Old Feb 5, 2025 | 08:36 PM
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Anytime you raise or lower ride heights, you'll throw off your camber and toe settings. My suggestion is if you lower your car slightly, have it dialed in using a four wheel laser rack with a experienced tech. You'll need adjustable upper control arms (the G does NOT use a MscPherson strut suspension front, so bolts are out) to allow the tech to get the suspension back to OEM specs.

But if your roads are truly horrendous, I'd advise you to keep your stock springs and buy high-quality shocks like Koni 8241 SA sport dampers or Bilstein B6 dampers. Save some money from buying coilovers and instead purchase adjustable swaybars to improve the handling. THEN have a four-wheel alignment done to your G37X. Your G will handle better, wear tires better and still ride over potholes and bumps for less money.
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Old Feb 6, 2025 | 06:21 PM
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Originally Posted by dkmura
Anytime you raise or lower ride heights, you'll throw off your camber and toe settings. My suggestion is if you lower your car slightly, have it dialed in using a four wheel laser rack with a experienced tech. You'll need adjustable upper control arms (the G does NOT use a MscPherson strut suspension front, so bolts are out) to allow the tech to get the suspension back to OEM specs.

But if your roads are truly horrendous, I'd advise you to keep your stock springs and buy high-quality shocks like Koni 8241 SA sport dampers or Bilstein B6 dampers. Save some money from buying coilovers and instead purchase adjustable swaybars to improve the handling. THEN have a four-wheel alignment done to your G37X. Your G will handle better, wear tires better and still ride over potholes and bumps for less money.
I'd definitely entertain just replacing all the shocks but I can't find any that fit the X. I see KYB makes front and rears but they don't make rear springs, only fronts? Wouldn't this add rear end sag if I used my old factory springs? I would really want to replace everything if I could but I feel like coilovers aren't for me.

I emailed the alignment shop that would do this and they recommended true coilovers, rear toe and camber arms, and eccentric lock out kits for both toe and camber arms. As much as I want a lower car, the Ark exhaust hangs so low I would end up destroying it..
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Old Feb 9, 2025 | 11:20 AM
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Originally Posted by yashi
I'd definitely entertain just replacing all the shocks but I can't find any that fit the X. I see KYB makes front and rears but they don't make rear springs, only fronts? Wouldn't this add rear end sag if I used my old factory springs? I would really want to replace everything if I could but I feel like coilovers aren't for me.

I emailed the alignment shop that would do this and they recommended true coilovers, rear toe and camber arms, and eccentric lock out kits for both toe and camber arms. As much as I want a lower car, the Ark exhaust hangs so low I would end up destroying it..
First, unless you've been abusing your car by hauling heavy loads, it's unlikely your rear springs will sag. Dampers (shocks) wear out, not springs.
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Old Feb 9, 2025 | 05:52 PM
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Originally Posted by dkmura
First, unless you've been abusing your car by hauling heavy loads, it's unlikely your rear springs will sag. Dampers (shocks) wear out, not springs.
Not sure how much I believe that, like just about anything- with time I believe springs will wear out too. Especially after 12+ years of carrying the weight of a car on them, I think it would make sense if I got new front assemblies to get rears too, This car is the only one in the world I can't just replace the rear spring.
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Old Feb 10, 2025 | 10:02 PM
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I tend to agree with @dkmura that the springs are not a maintenance item.

Why not just go with the coilovers that are at most 1/2" off from stock, then see how close you can get the alignment because you need to do one anyways after a strut/shock install.

If you can keep the toe close to zero and caster fairly uniform on both sides, then up to 2 degrees of camber is fine per the coupe alignment specs. If not, save up and add UCAs, Rear Camber Arms and Toe Bolts at a later date. The car is still drivable with the alignment off.

Sometimes you cannot allow perfection to be the enemy of the good.

Last edited by socketz67; Feb 10, 2025 at 10:14 PM.
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Old Feb 10, 2025 | 10:46 PM
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Originally Posted by socketz67
I tend to agree with @dkmura that the springs are not a maintenance item.

Why not just go with the coilovers that are at most 1/2" off from stock, then see how close you can get the alignment because you need to do one anyways after a strut/shock install.

If you can keep the toe close to zero and caster fairly uniform on both sides, then up to 2 degrees of camber is fine per the coupe alignment specs. If not, save up and add UCAs, Rear Camber Arms and Toe Bolts at a later date. The car is still drivable with the alignment off.

Sometimes you cannot allow perfection to be the enemy of the good.
Unfortunately the shop I messaged who will do the install explained I wouldn't see a drop that close to stock. More so 1-2 inches below stock ride height so that foils that idea.. They kinda convinced me to just get what I need and run with true coilovers. But I am still entertaining the KYB route. I just wish there was something sportier. Coilover feel without that much drop. It just isn't realistic for some of us who daily drive. Maybe my expectations are too high and I should just send it.
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Old Feb 10, 2025 | 10:51 PM
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I honestly wasn't aware that the highest a Coilover can be adjusted is 1-2" below stock. 2" is a significant drop. The middle of that range is perfect, but requires additional suspension mods to get back to stock alignment spects.

The KYBs Excel-Gs are great dampers. Rear springs are likely still in great shape.
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Old Feb 11, 2025 | 09:10 AM
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Originally Posted by socketz67
I honestly wasn't aware that the highest a Coilover can be adjusted is 1-2" below stock
Yep. I'm not aware of any coil-over for our cars that can match stock height.

I suspect for most people lowering a DD, the stance is a far greater priority than how the car handles. Personally, I'd like to raise my sedan about a 1/2", but it is what it is. The adjustable top mounts on my rear springs are maxed out on height, and the front lowering springs are fixed height, so... you learn to love it.

Yashi, unless you've unlimited funds, then every mod you make to a DD involves some kind of compromise. Every single mod. Well, maybe not a tune, but everything else, LOL.

Last edited by Rochester; Feb 11, 2025 at 09:16 AM.
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Old Feb 11, 2025 | 08:47 PM
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Fair enough I see your point. I have to film some entrance/exit shots of my driveway to see what exactly is scraping. I noticed two equal scrapes on the bottom of my mufflers. Could be a coincidence and came from an uneven road, usually just the tips drag when I enter and exit. I think I'll just send it. You only live once! Might as well try it and get everything done. Worse comes to worse my exhaust tips get a little scraped up.
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Old Feb 12, 2025 | 07:06 AM
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The Ark Grip affects clearance, sure, but the trade off is a truly amazing exhaust note.

YOLO is always a good argument too. GL
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Old Feb 19, 2025 | 01:34 PM
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Originally Posted by Rochester
Yep. I'm not aware of any coil-over for our cars that can match stock height.
I thought Aragosta made a set that could go stock height or even slightly higher.
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Old Feb 19, 2025 | 02:04 PM
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Originally Posted by digital.aaron
I thought Aragosta made a set that could go stock height or even slightly higher.
Oh wow. Good call.

https://www.myg37.com/forums/brakes-...g37-coupe.html
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Old Feb 23, 2025 | 11:19 AM
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Originally Posted by yashi
Fair enough I see your point. I have to film some entrance/exit shots of my driveway to see what exactly is scraping. I noticed two equal scrapes on the bottom of my mufflers. Could be a coincidence and came from an uneven road, usually just the tips drag when I enter and exit. I think I'll just send it. You only live once! Might as well try it and get everything done. Worse comes to worse my exhaust tips get a little scraped up.
Even the Tannabe scrapes a little on ingress/egress if I'm is not careful. Once lowered, you simply never enter or leave a driveway or parking lot with the car pointed straight. "One wheel at a time" rule needs to be followed.
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