BC Coilovers with or without Swifts? - Page 2 - Infiniti Q50 Forum
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post #11 of 30 (permalink) Old 04-10-2019, 08:02 PM
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Doesn't the stock use coilovers already? And it's an American company

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post #12 of 30 (permalink) Old 04-10-2019, 09:57 PM
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Doesn't the stock use coilovers already? And it's an American company
I believe that is correct. This gentlemen has a video explaining the suspension system, which I found interesting. I can't speak to its accuracy, but it seemed legit to me.

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post #13 of 30 (permalink) Old 04-11-2019, 08:40 AM
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Originally Posted by damonb10 View Post
I believe that is correct. This gentlemen has a video explaining the suspension system, which I found interesting. I can't speak to its accuracy, but it seemed legit to me.

https://www.youtube.com/watch?v=DWU-l8edaSk

Good find. I think that's Kareem (from the FB group). He's been posting his videos there but I haven't really had the chance to watch them until now - this one video at least

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post #14 of 30 (permalink) Old 04-11-2019, 11:36 AM
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“Coilover” is a loose term.
Yes, technically, any shock/strut that has the coil “over” the body is a coilover design.

It’s like “sway bars”. People say that all the time but they are not called sway bars actually. They are anti-sway bars.


But,
This is not what people are talking about when they use the term.

People are talking about a threaded body ride hight/ spring preload & hight adjustable design that usually also have some compression and rebound adjustability as well.

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post #15 of 30 (permalink) Old 04-11-2019, 11:57 AM
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Originally Posted by q50adix View Post
Good find. I think that's Kareem (from the FB group). He's been posting his videos there but I haven't really had the chance to watch them until now - this one video at least
I've watched a few of his videos. I like his take on things, because he takes a positive and explanatory approach to a given topic. He has another good one about the 7-spd automatic transmission.
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post #16 of 30 (permalink) Old 04-11-2019, 03:25 PM
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I've watched a few of his videos. I like his take on things, because he takes a positive and explanatory approach to a given topic. He has another good one about the 7-spd automatic transmission.


Guess i’ll check that one out tonight.

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post #17 of 30 (permalink) Old 04-11-2019, 03:36 PM
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I've posted that YouTube link b4. Then go to the Monroe link about our suspension and see all the cars it's on.
Good info.
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post #18 of 30 (permalink) Old 04-14-2019, 10:27 AM Thread Starter
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Look at the HKS Hipermax IV GT if RWD. It's a fantastic coil over. You lose your DDS control though as with most all coilovers.
I've been eyeing that as well, I'm stuck between BC BR with Swift or HKS Hiperman GT.

I ran Tein Flex Z on my BRZ which were very comfortable, but I wanna try something a little different.

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post #19 of 30 (permalink) Old 04-14-2019, 10:29 AM Thread Starter
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Originally Posted by helterstupid View Post
I used to sell in the aftermarket arena. I can tell you that Swift springs are nice, softer ride.

BC Coilovers are the same as HKS, Greddy, Megan Racing, GodSpeed, Tein, and Stance and handful of others. Literally they come from the same factory and are just painted different colors at the end. I think they are all from Taiwan. The only ones that are made independently are Cusco and they are made in Japan.

The only advantage of coilovers for an inch drop is ease of installation, but you lose A LOT of adjustability from the ECU (all your suspension modes become pointless). You can get a decent spring compressor for $30 on Amazon and just go with drop springs, and that way you keep all your adjustable suspension. Plus, all the coilovers I mentioned above...they really arent that good. They gum up real bad after a couple years. Unless you buy a bunch of needle bearings, they start grinding badly. They rust, they blow out, just lots of problems. Not OEM build quality whatsoever. The Cusco ones are fantastic though, much better quality.

tl;dr: buy Cusco or just lowering springs, don't by Taiwanese coilovers.
I didn't know our ECU can adjust suspensions? I don't think I have that?

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post #20 of 30 (permalink) Old 04-14-2019, 11:38 AM
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I didn't know our ECU can adjust suspensions? I don't think I have that?
The ECU doesn't. The Chassis Control Module makes high speed adjustments to the shock absorber actuator based on input from the:

Drive Mode select switch
ECM
TCM
ABS actuator and electric control unit
Steering angle sensor

The Digital Dynamic Suspension system is part of the Performance Package that also includes the Akebono sport brakes and wheel-mounted paddle shifters. It is standard on the RS and an option on the Luxe and Sport model (in 2018 anyway).
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