G37 Coupe

AWD coupe Swift springs, are they gonna settle?

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Old 12-23-2018 | 06:46 PM
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AWD coupe Swift springs, are they gonna settle?

Hey guys, today I just installed my Swift springs, 4N911, on my 2014 AWD coupe.
Took about 3 hours or less to do, pretty easy!
But, here's my measurements:
Prior to lowering:
LF: 28.3"
RF: 28.4"
LR: 28.5"
RR: 28.2"

After lowering:
LF: 27.1" (-1.2")
RF: 27.5" (-0.9")
LR: 27.9" (-0.6")
RR: 27.5" (-0.7")

So, my average front drop is only -1.05" and rear drop is -0.65", but Swift advertises -1.3" front and -1.0" rear. In both cases, I'm off by about 30% or so.
Do these springs settle THAT much? I've done lots of lowering spring installs, most achieve 90% to 110% of stated drop within an hour.

BTW, I did drive the car a bit, over bumps and such, to insure the suspension wasn't bound-up from all of the jackstand work.

The car definitely looks better! But, I wouldn't mind a touch more drop. Now that I've done it, I could certainly swap in Eibachs within 2 hours if the car doesn't "settle" at least an extra 0.25".
Old 12-23-2018 | 08:59 PM
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I am curious about this as well. I have 4N907 Swift springs and KYB struts awaiting a spring install on my X sedan. I don’t want my G slammed, but I do want a “noticeable” drop.
Old 12-23-2018 | 09:05 PM
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Swift's on AWD sedans look good.
The prob for my coupe is that it hasn't reached advertised lowering yet, looks about as low as a stock RWD coupe. I don't want it slammed, but if it was a few curly hairs lower than a RWD coupe, i'd be tickled.
Old 12-24-2018 | 08:47 AM
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How many miles have you put on it? Took about 100-150 before mine (coils) dropped a bit more after initial install. I had the car sitting at 26.5 at all four corners and after a week I was around 26 1/4 - 26 1/8 mark. Granted, mine weren't Eibach but I imagine the springs behave similarly.
Old 12-24-2018 | 01:55 PM
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Originally Posted by RMB5190
How many miles have you put on it? Took about 100-150 before mine (coils) dropped a bit more after initial install. I had the car sitting at 26.5 at all four corners and after a week I was around 26 1/4 - 26 1/8 mark. Granted, mine weren't Eibach but I imagine the springs behave similarly.
Are you running Swifts? Thanks for sharing your drop over time, good to know!
I only have 10 miles on mine, but since it is an AWD it looks much better now with the Swifts. If they drop another 0.25" like yours did after 150 miles, I'll be very happy. As the car sits now, it's approx 1/2" lower than a stock RWD coupe, which isn't bad for an AWD car.

I basically lowered my car to prep for staggered 19" wheels with offsets that bring the wheel closer to flush (not completely flush, just close) hopefully with some better fitting wheels it'll look even better. My current wheels are the 18x8 43et stockers.
Old 12-24-2018 | 02:29 PM
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I have a AWD coupe with Swift Springs, the initial drop is certainly the most noticeable. You may get a very slight amount more after putting some miles on it but not much. How many miles did you have on the stock suspension before you put on the new springs? The AWD coupe sits pretty high so Swift is a nice easy drop, it doesn't eliminate the wheel gap entirely but makes it look like it should from the factory (IMO). The downside is that factory dampers aren't designed to be used with the lowering springs and they wear prematurely. There aren't really any aftermarket solutions to that problem. I put my swift springs on about 30k and now have about 68k, dampers are not what they used to be that's for sure. I plan to go to a coilover setup next, hopefully sometime this summer.

I have staggered wheel/tire package too, if you plan it out right it'll look real nice with the Swift springs. I went conservative with 19x8.5 +20 (225/45/19) & 19x9.5 +30 (255/40/19). There are pics in the 19" wheel picture thread.
Old 12-24-2018 | 07:22 PM
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No, mine were the fortune 500 alternate ones.
Old 12-24-2018 | 07:41 PM
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Originally Posted by KidJai06
I have a AWD coupe with Swift Springs, the initial drop is certainly the most noticeable. You may get a very slight amount more after putting some miles on it but not much. How many miles did you have on the stock suspension before you put on the new springs? The AWD coupe sits pretty high so Swift is a nice easy drop, it doesn't eliminate the wheel gap entirely but makes it look like it should from the factory (IMO). The downside is that factory dampers aren't designed to be used with the lowering springs and they wear prematurely. There aren't really any aftermarket solutions to that problem. I put my swift springs on about 30k and now have about 68k, dampers are not what they used to be that's for sure. I plan to go to a coilover setup next, hopefully sometime this summer.

I have staggered wheel/tire package too, if you plan it out right it'll look real nice with the Swift springs. I went conservative with 19x8.5 +20 (225/45/19) & 19x9.5 +30 (255/40/19). There are pics in the 19" wheel picture thread.
I went and checked your post, very good info for my situation. It leads me to think I may need to switch over to Eibachs, I'm gonna get my wheels installed and see how it looks, but I think I may need to go lower. I'm keeping the original packaging for my Swifts in case I decide to sell them.
Old 12-24-2018 | 07:44 PM
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Originally Posted by RMB5190
No, mine were the fortune 500 alternate ones.
Just researched those, damn they are nice! But, they are not available for AWD?
Old 12-26-2018 | 10:39 AM
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The Eibachs are likely to give you a slightly lower drop than Swift. The Fortune 500's are a nice set of coilovers that you can upgrade their coils to Swift for an extra fee along with custom spring rates to suit your driving needs. Fortune makes the 500 series for the AWD. If you upgrade to Swift Springs they run about $1780. A little more salty than just a set of springs but about the top of my list for coilovers on an AWD Coupe.

Old 12-26-2018 | 12:04 PM
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As Jai mentioned, yes, they're available for AWD models. Pretty simple install for my first time. I bought them from a member here new in box so I didn't spend anywhere near retail but if I did not go that route, I'd have gone with KYB + swifts.
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