do you know how much of an extra drop I would get over advertised? seems that most of these springs lower you 1.2 to 1.5 inches an extra half inch might be ok but more then that I would think might be an issue.

is it just the extra weight of the awd models that causes the difference or is it something els about the suspension set up?

 

On the G35 it was clearly documented that RWD springs would give an extra 0.5 inch drop extra compared to AWD springs. To be honest, I have not come across that documentation on the 37 platform.
The drop is different because the springs are physically different; the stock AWD springs are higher (longer) and stiffer.

I installed RWD Eibach springs on my friends 37 AWD sedan and it seemed to be an extra 0.5 inches that when I eyeballed it. The drop looked great.

 

The mildest drop springs are Tanabe and they use the SAME part # for all applications from coupe, sedan, AWD, RWD, every G except the convertible. They are the only spring that uses the same part # for all applications.
And the drop ranges from real mild to just mild, lol and typically the rear drops a bit more than the front (which isn't a great thing). Here's the listing for them (part #TNF130) Just scroll down to see the application chart
Tanabe USA Inc. - NF210 Normal Feeling Springs

 

I'm thinking about either getting the swift or H&R springs for my car but now knowing all of this information I wonder just how much stiffer if any they will be over mine since my G is an xs it would already have decently stiff springs to begin with being it's an awd sports model.

can anyone with my particular model chime in on how much improvement they got with aftermarket springs?

thanks

 

I have a 13' xS I dropped on Swift springs, #4N911 = 1.3" front, 1" rear.

Swift Springs USA

I'll never track my G so I was really just looking to reduce the wheel / fender gap. As noted, the stock springs were decently stiff to begin with but I haven't noticed much difference overall at all in ride quality. I have noticed less squat during launch and less body roll during cornering.

 

If it's springs you want it seems the Swift is your best option as far as being mild, and a nice even drop. H&Rs don't have an AWD specific application and it's a deep drop spring. You will definitely need camber kits w/ them if you want decent tread wear.

 

Swift for the win for handling and ride. Had Tanabe before. The Swift Springs give better handling feel and less body roll.

 

check with my review of the Swift springs with before and after pictures. I also have a xS coupe.

https://www.myg37.com/forums/brakes-...awd-coupe.html

 

I would suggest to never go springs. Get coilovers for longevity. Engineered to work together, and not just blow out the factory struts. That is a waste.

 

just found some eibachs that are made just for the awd coupe. https://www.tunerzstore.com/eibach-prokit-g37

how would guys compare eibach to swift? any people with the awd coupe that has some eibachs on them? handling feel?

 

Maybe if you are slamming the car. We are talking about a mild drop here.
7 years on Tanabe then a year on Swift on the same car and my struts did not "blow out". In fact, I have not seen any "blow out" threads on the forums (unless I am missing them)
Obviously the longevity will not be as long as with factory springs but no need to be an alarmist in this discussion.

 

so has everyone that's gotten eibachs been happy with them on their awd models?