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H&R Springs Anyone ?

If you're familiar with the 350z you know even the oem suspension can make a clunking noise. Mine didn't. There is a fix on the 350z forum. There are a

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Old 04-06-2010, 07:55 PM   #61 (permalink)
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If you're familiar with the 350z you know even the oem suspension can make a clunking noise. Mine didn't. There is a fix on the 350z forum. There are a couple 370z owners with clunking oem suspensions. But yes aftermarket and oem can make noises.
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Old 04-06-2010, 07:57 PM   #62 (permalink)
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Quote:
Originally Posted by jmlenz View Post
Kev > not to stray too off topic but when you installed the Megans did you set any preload on the rear (not sure if this can be set on front too?). When you reached under the car and grabbed the rear spring could you rattle it or was it solid? How about with the rear jacked up? I can rattle the crap out of mine which leads me to believe the installer set zero preload = noisy rear springs.
I did the install using a lift and once on the ground there was no movement!
Most Coilovers have the helper springs but the Megans did not so front and rear were loose during install.
On the H&R springs the first three coils act as helper springs so even though out of the box they are the same height as the stock
springs, you'll still get that dropped ride height!
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Old 04-09-2010, 01:48 PM   #63 (permalink)
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Car looks awesome with those springs man ! But what I really want to know is how they perform...

How would you compare these to the Tanabe GF210s ? Although i know you probably never had experience with them...maybe you might know someone who does ?
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Old 04-09-2010, 03:53 PM   #64 (permalink)
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Car looks awesome with those springs man ! But what I really want to know is how they perform...

How would you compare these to the Tanabe GF210s ? Although i know you probably never had experience with them...maybe you might know someone who does ?
I really do not have first hand experience w/ the Tanabe product. I do know that the ride height is similar & I've heard that they are pretty stiff.
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Old 04-09-2010, 09:03 PM   #65 (permalink)
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You think they're stiffer than these H&Rs ?

Im in the market for a stiff spring that lowers the car about an inch or so and yet has more performance due to it being stiffer.
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Old 04-09-2010, 11:38 PM   #66 (permalink)
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You think they're stiffer than these H&Rs ?

Im in the market for a stiff spring that lowers the car about an inch or so and yet has more performance due to it being stiffer.
Stiffer doesn't necessarily mean more performance! (That's not what she said!)
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Old 04-11-2010, 02:07 AM   #67 (permalink)
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Ok today I installed my hr springs myself. I started at 11 and finished around 10pm because I had a shop switch out the springs for me but the spring wasn't aligned good enough with the lower part that the bolt goes through. So after I loosened all the bolts and nuts and took out the passenger strut I had to quickly put everything back together and go back to the shop before they closed. But the front and rear only took me a total of 4 hrs, not including the downtime.

It's quite like oem, which it is, minus the springs. The ride is nice, I can't really tell the difference between the hr and from my bc. I had the bc set really stiff and on the bumpiest parts of the highway the car would shake like crazy. But 90% of the time the ride was fairly smooth. I didn't take any corners too fast, can't tell just yet if they handle as well as the bc.

The front amazingly was the same height that I had the bc at, don't know if the springs will settle, probably not. The rear were a bit higher than my bc, maybe 1/4 higher. I actually like the rear to be higher than the front, but if I could choose I would have the rears a bit lower. I don't think the springs will settle, I took a look and the dead springs were completely compressed. Overall I like the hr springs.
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Old 04-11-2010, 04:55 AM   #68 (permalink)
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I really liked the H&R on the Z33 and I like them just as well on the Z34, to the point where I really came close to selling my boxed up Eibachs for some H&R's. But this time around I am keeping the total cost down low, so Eibachs will be the way to go for me. Therefore I will not have to spend extra $$ on the upper control arms to get the fronts back into oem spec. Savings of about $500.

As far as the rear on the H&R giving the car too much of a rake, like myself. Maybe look into cutting about 0.5" off the rear rubber spring mounts. That's what I did for the Z33, from the previously posted pics a few pages back. Looked clean...imho...but it's all a personal preference.

It's a tough call....if you want the lowered look then plan on shelling out additional $$ for upper control arms. If you want to the minimum cost for lowered look, then go with Eibachs and you should not need the upper control arms. Either springs will require rear camber kits. For the fronts I still prefer SPC, they are well manufactured and great for DD. SPL are stiffer, a bit more $$ and ideal for track. Stay away from Kinetix.

Overall the H&R look sweet and aggressive and if I had the extra $$ I would go this route. Nice job guys!
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Old 04-11-2010, 05:08 AM   #69 (permalink)
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I was actually looking at the 350z forums and reading about cutting the spring mount. It definitely looks better with that mod. maybe in a year or so when I get the energy.
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Old 04-11-2010, 01:07 PM   #70 (permalink)
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Quote:
Originally Posted by azn370z View Post
Ok today I installed my hr springs myself. I started at 11 and finished around 10pm because I had a shop switch out the springs for me but the spring wasn't aligned good enough with the lower part that the bolt goes through. So after I loosened all the bolts and nuts and took out the passenger strut I had to quickly put everything back together and go back to the shop before they closed. But the front and rear only took me a total of 4 hrs, not including the downtime.

It's quite like oem, which it is, minus the springs. The ride is nice, I can't really tell the difference between the hr and from my bc. I had the bc set really stiff and on the bumpiest parts of the highway the car would shake like crazy. But 90% of the time the ride was fairly smooth. I didn't take any corners too fast, can't tell just yet if they handle as well as the bc.

The front amazingly was the same height that I had the bc at, don't know if the springs will settle, probably not. The rear were a bit higher than my bc, maybe 1/4 higher. I actually like the rear to be higher than the front, but if I could choose I would have the rears a bit lower. I don't think the springs will settle, I took a look and the dead springs were completely compressed. Overall I like the hr springs.
Glad it worked out for you!! Sorry you had issues during install! Took me 3 to 4 hours for the install also!! Had just enough time to fit an alignment in before Saturday close! (I didn't do the alignment)
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Old 04-11-2010, 09:27 PM   #71 (permalink)
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Anyone have the Tanabe GF210s on their Z ? Im stuck between these H&Rs, Tanabe GF210s, or just blowing some cash and getting the GT Motorsports Comp coilovers.

Ahh, decision, decisions, decisions....
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Old 04-11-2010, 09:33 PM   #72 (permalink)
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If you get coilovers get the ones with helper springs. I don't think the gf drops it low enough if you like it lower. The hr drops the front so there is 1 finger gap.
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Old 04-11-2010, 11:01 PM   #73 (permalink)
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If you get coilovers get the ones with helper springs. I don't think the gf drops it low enough if you like it lower. The hr drops the front so there is 1 finger gap.
Just curious, why do you recommend the helper springs?
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Old 04-11-2010, 11:42 PM   #74 (permalink)
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I think it will be easier to preload the suspensions.
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Old 04-12-2010, 03:38 AM   #75 (permalink)
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Hey azn370z,

Have you checked out the GT Comp coilovers ? Im looking into getting these and they seem like a pretty reputable company.

No helper springs on their kits though, I think if it were a concern, these companies would have helper springs on all coilovers they were producing for the 370z.
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