Lowering springs (advice)
12-05-07, 09:54 AM
#1
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Lowering springs (advice)
I want to lower my GS400 with lowering springs, but I really want to get that smooth ride feeling....not bouncy, or hard rebound... any advice people thanks! the best ride with lowering springs!
12-05-07, 10:46 PM
#5
You have two options. Tanabe NF210 or the Espelir. Both of these have very very close to stock spring rate. To go with these, get the KYB GR-2 shocks. They are just a little firmer than stock shocks, but its still very smooth.
My buddy has the NF-210 with KYB shocks and they are smooootthhhh. He even has the TRD sways (known to be plenty stiff) and I didn't feel one bit of harshness. I definitely recommend this setup if you want a 1.5" drop in the front and about 1.2" in the rear.
This will give you an even gap all around, despite the front spring lowering more. Our cars have more gaps in the front than the rear. It came like that from the factory.
My buddy has the NF-210 with KYB shocks and they are smooootthhhh. He even has the TRD sways (known to be plenty stiff) and I didn't feel one bit of harshness. I definitely recommend this setup if you want a 1.5" drop in the front and about 1.2" in the rear.
This will give you an even gap all around, despite the front spring lowering more. Our cars have more gaps in the front than the rear. It came like that from the factory.
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12-13-07, 05:27 PM
#10
Lexus Test Driver
The consensus here is what others are saying NF210 + KYB for smoothest ride. However, if your goal is closer to a 2.0" drop, you will not get that. You should look into coilovers. HKS has a model that has a spring rate very close to factory and will allow you to get the drop you are looking for.
12-13-07, 06:43 PM
#11
You have two options. Tanabe NF210 or the Espelir. Both of these have very very close to stock spring rate. To go with these, get the KYB GR-2 shocks. They are just a little firmer than stock shocks, but its still very smooth.
My buddy has the NF-210 with KYB shocks and they are smooootthhhh. He even has the TRD sways (known to be plenty stiff) and I didn't feel one bit of harshness. I definitely recommend this setup if you want a 1.5" drop in the front and about 1.2" in the rear.
This will give you an even gap all around, despite the front spring lowering more. Our cars have more gaps in the front than the rear. It came like that from the factory.
My buddy has the NF-210 with KYB shocks and they are smooootthhhh. He even has the TRD sways (known to be plenty stiff) and I didn't feel one bit of harshness. I definitely recommend this setup if you want a 1.5" drop in the front and about 1.2" in the rear.
This will give you an even gap all around, despite the front spring lowering more. Our cars have more gaps in the front than the rear. It came like that from the factory.
http://www.tanabe-usa.com/springs/sp...tions.asp?id=2
I had DF210 and loved them, look into those for a 2" & 1.5" drop for the GS4xx.
12-13-07, 08:10 PM
#12
It wont matter because the springs are interchangeable. I have another friend with the Tanabe NF (for GS3) springs on his GS400 and it works fine too. He wanted to drop the front even more than the rear because our front gap is bigger naturally.
I emailed tanabe awhile ago because I had the same question. Their answer for the two different springs was that its easier to identify which spring is which. Basically we have two options of NF for our cars. One lowers more than the other. Weight distribution is negligible in this case.
I emailed tanabe awhile ago because I had the same question. Their answer for the two different springs was that its easier to identify which spring is which. Basically we have two options of NF for our cars. One lowers more than the other. Weight distribution is negligible in this case.
12-14-07, 10:24 PM
#13
It wont matter because the springs are interchangeable. I have another friend with the Tanabe NF (for GS3) springs on his GS400 and it works fine too. He wanted to drop the front even more than the rear because our front gap is bigger naturally.
I emailed tanabe awhile ago because I had the same question. Their answer for the two different springs was that its easier to identify which spring is which. Basically we have two options of NF for our cars. One lowers more than the other. Weight distribution is negligible in this case.
I emailed tanabe awhile ago because I had the same question. Their answer for the two different springs was that its easier to identify which spring is which. Basically we have two options of NF for our cars. One lowers more than the other. Weight distribution is negligible in this case.
12-14-07, 10:50 PM
#14
Lexus Test Driver
They fit yes, but the two cars have different spring rates. The GS400 is right at about 7 front/5 rear from the factory. The GS400 NF210's are 7.3 and 5.7. The 98-05 GS300 NF210 springs are 5.6 front and 4.7 back. Since Tanabe NF210's run up to 5% stiffer than stock, the factory GS300 spring rate is probably a little bit over 5 front/4 back.
If you run these GS300 springs on a GS400, you will actually be running SOFTER springs than stock. Even though the cars weight within 50lbs of each other, the GS400 has much more torque than the GS300 and needs a stiffer spring rate for proper traction and acceleration.
Chances are, most of the other companies who make one spring for both GS300 and GS400 are making them with a high enough spring rate to use on either vehicle.
If you run these GS300 springs on a GS400, you will actually be running SOFTER springs than stock. Even though the cars weight within 50lbs of each other, the GS400 has much more torque than the GS300 and needs a stiffer spring rate for proper traction and acceleration.
Chances are, most of the other companies who make one spring for both GS300 and GS400 are making them with a high enough spring rate to use on either vehicle.
12-15-07, 08:34 AM
#15
That's actually a great combo. My friend's GS4 has the spring plus TRD sways. On the straight road, it's very OEM-like without the floating, but on turns, it corners a lot flatter. In fact, my L-tuned springs alone is stiffer than his ride, but it is crap in comparison when it comes to body roll and stability.
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