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moosestang
09-10-2014, 10:19 AM
I swear these springs are too soft for this drop. I hit the bumpstops way to much with these springs. I'm thinking about cutting the stock springs and trying them with the neuspeed front springs. Anyone else feel like these springs are to close to the stock spring rate? Lowering springs are supposed to be stiffer.

Haring
09-10-2014, 10:32 AM
stock bumpstops?

moosestang
09-10-2014, 11:00 AM
No, not stock. I have the energy suspension bumpstops and koni shocks

moosestang
09-10-2014, 11:01 AM
No, not stock. I have the energy suspension bumpstops and koni shocks I wish I could adjust the compression on the shocks, but really the springs need to be stiffer.

jason3d
09-10-2014, 01:18 PM
Interested to hear others replies here too. 2" drop does seem like a fair amount with close to stock spring rate considering the travel in the rear isn't a ton to begin with. I've been eyeing the neuspeeds but thinking I might just take the plunge for coilovers.

shagghie
09-10-2014, 01:22 PM
I wish I could adjust the compression on the shocks, but really the springs need to be stiffer.

agreed. There are also quite a few dead coils. Ideally, they would design the springs to be concentrically smaller towards the top to get more effective travel out of them. This is what Fortune did when designing rears for this car, and it bought them over 1/2" of additional active suspension before infinity spring rate kicks in. Cutting the stock springs might work out well. The challenge is there simply isn't much available travel geometry in the suspension design when lowered on this platform. I have temporarily mitigated this with even taller energy bump stops than NorcalSS ones, such that I don't rub my 215 rubber ever. To mitigate this challenge, I'm going to have to add a few degrees of neg camber, and may also try more of a rake with an energy suspension spacer disk.

Where do you have your Koni's set? I'm at 5/5 right now set up for auto-x, but I need to dial back down for street asap. Was going to go for 2/5, as even 3/5 is a little too much if the road isn't perfectly flat when you're at the limit.

moosestang
09-12-2014, 08:49 PM
I'm at 3 turns out of 5 on the Konis. it rides good, don't get me wrong, but any big dip will make it hit the bump stops. I could cut a little bit off without the shocks bottoming out, but i don't think it would make a different.

jason3d
09-12-2014, 09:33 PM
Just curious, have you ever ridden in a car with Sportlines? I wonder if they did the raked stance because of such limited travel in the rear. I'm on the fence with what suspension to do. I really like the drop of the neuspeeds though. Haven't read about many people complaining about them.

Abarth Fun
09-13-2014, 09:24 PM
The more I read threads from those with lowered springs the more I'm starting to think of keeping my stock springs but getting all Koni adjustable shocks...

shagghie
09-14-2014, 11:06 AM
Neu-F's w Koni at 5/5 after 8k miles:
http://i60.photobucket.com/albums/h6/shagghie/Isabella/3307263A-088E-44D5-A936-F9C6320D999A.jpg (http://s60.photobucket.com/user/shagghie/media/Isabella/3307263A-088E-44D5-A936-F9C6320D999A.jpg.html)
Neu-F "recall" spring (w white rubber shields) compared to normall neu-F spring:
http://i60.photobucket.com/albums/h6/shagghie/Isabella/DA4F509F-61A8-48C9-8293-D0CE8E86A0A1.jpg (http://s60.photobucket.com/user/shagghie/media/Isabella/DA4F509F-61A8-48C9-8293-D0CE8E86A0A1.jpg.html)
Xtra tall and soft Energy Bumpstops going in:
http://i60.photobucket.com/albums/h6/shagghie/Isabella/1EF20D2C-2700-4958-BE57-22364AB115E7.jpg (http://s60.photobucket.com/user/shagghie/media/Isabella/1EF20D2C-2700-4958-BE57-22364AB115E7.jpg.html)
Travel with neu-F "recall":
http://i60.photobucket.com/albums/h6/shagghie/Isabella/th_8E8DDC80-A624-493A-85EC-66855583B52A.jpg (http://i60.photobucket.com/albums/h6/shagghie/Isabella/8E8DDC80-A624-493A-85EC-66855583B52A.mp4)
Bumpstops preventing any rub, note these are taller and softer than the NorcalSS stops.
I run these because 9" wheels, until a wide body kit is available.
http://i60.photobucket.com/albums/h6/shagghie/Isabella/th_6454C6D5-0DDB-4CF0-B33C-B8F931FF7A38.jpg (http://i60.photobucket.com/albums/h6/shagghie/Isabella/6454C6D5-0DDB-4CF0-B33C-B8F931FF7A38.mp4)
finally got my California rake back!
http://i60.photobucket.com/albums/h6/shagghie/Isabella/04E94882-0C79-4105-B9BD-290F9E17A05C.jpg (http://s60.photobucket.com/user/shagghie/media/Isabella/04E94882-0C79-4105-B9BD-290F9E17A05C.jpg.html)


And yes, the difference in ride is night and day; I can attack bumps agressively instead of bracing for impact and worrying about hop when I'm in too deep on a twisty.
Car turns-in a Little better now too which I did not expect.


Kidneys are happy!

boxerbay
09-14-2014, 11:23 AM
I have the neuf's and I want to go lower. Im thinking about cutting them a bit.

Haring
09-15-2014, 11:01 AM
I have the neuf's and I want to go lower. Im thinking about cutting them a bit.

You could just swap them out for the Eibach Sportlines.

boxerbay
09-15-2014, 12:14 PM
You could just swap them out for the Eibach Sportlines.

WTT I have neuf Springs. I want eibachs. Maybe I should start a new thread.

Tweak
09-16-2014, 08:33 PM
WTT I have neuf Springs. I want eibachs. Maybe I should start a new thread.

Posted in Classifieds in a new thread is far more likely to get the desired results. ;)

moosestang
09-18-2014, 07:30 PM
Just curious, have you ever ridden in a car with Sportlines? I wonder if they did the raked stance because of such limited travel in the rear. I'm on the fence with what suspension to do. I really like the drop of the neuspeeds though. Haven't read about many people complaining about them.

I have never ridden in a car with sportlines. I've never ridden in any fiat other than mine.

I decided to try some stiffer shocks before I cut up the stock springs. I tried some kyb gas adjust shocks for a VW before trying the konis, the kybs weren't short enough and bottomed out before the bumpstops.

This time I new exactly what compressed height I need for shocks, so I ordered some kyb gas adjust for a 84 corvette. I'm using the kyb mono tube, because they are all relatively close in diameter, these look to be very similar in diameter to the koni and have a compressed height of 9.6 inches and extended height of 14.33 inches.

They are much stiffer on compression than the konis, no more bottoming out, even with a full load of groceries and hitting the biggest dip on the interstate. It rides surprisingly well considering these shocks are valved for a much heavier car.

I'm not going to make any final decisions until I've put some more miles on these corvette shocks, but I like the ride so far. I'm sure these are slightly to stiff for these springs, they may even hold the rear up a tiny bit, I'll have to measure. If they don't work out, I'll sell them to my brother who has an 87 corvette.

These weren't a direct swap. I had to order some 16mm-12mm sleeves for the bottom bushings and 12mm-10mm for the top, but I got everything from amazon for $80 with free shipping. I also had to cut the washers off the top bolts, because the top bushing is longer than stock and I wanted the bolt to go in far enough. I didn't want to modify the shock in case I wanted to sell them.

I'm afraid cutting the stock springs to get the drop I need will be too stiff.

moosestang
09-20-2014, 08:14 AM
I have the neuf's and I want to go lower. Im thinking about cutting them a bit.

Just remove the rubber isolators.

moosestang
09-20-2014, 08:19 AM
Neu-F's w Koni at 5/5 after 8k miles:


The konis don't pack down at 5/5 on a bumpy road? I think what I really need are coil overs, but I've never ridden in a car with them before and I get the feeling from reading online that the ride is terrible.

These kyb corvette shocks are holding the rear up by at least 1/4 inch. I'm going to remove the lower rubber isolator, all ready have the upper removed.

boxerbay
09-20-2014, 09:32 AM
The lower you go the shorter the travel the tighter the ride is. Some people define this as terrible. It is what it is. It won't flex as plush as a Cadillac sitting low. Some people have unreasonable expectations of low riders. For me 90% of my driving is highways. Most of the roads around here miami are very good. Im sure if my roads were crappy around here thing would be different.

shagghie
09-20-2014, 10:06 AM
The konis don't pack down at 5/5 on a bumpy road? I think what I really need are coil overs, but I've never ridden in a car with them before and I get the feeling from reading online that the ride is terrible.

These kyb corvette shocks are holding the rear up by at least 1/4 inch. I'm going to remove the lower rubber isolator, all ready have the upper removed.

Can u take a quik pic for us?

jason3d
09-20-2014, 10:28 AM
I've been looking at lots of suspension pics, and now wondering do the rear neu-f springs sit lower than Bilstein coils at their lowest setting?

moosestang
09-20-2014, 02:31 PM
Can u take a quik pic for us?

a ride height pic or pic of the shocks?

moosestang
09-20-2014, 02:36 PM
I have the neuf's and I want to go lower. Im thinking about cutting them a bit.

I think if you were to cut a full coil off the top of the springs, you would get 1/2 inch lower or whatever the diameter of the coil. There are some 3 or 4 dead coils at the top.

moosestang
09-20-2014, 05:37 PM
kyb gas adjust shocks for the rear of a 84-87 corvette. They double as a anti sway bar on the fiat and I have the ST suspension sway bar. that's how stiff they are on compression, they are actually preventing the car from leaning in a turn.

http://www.pbase.com/paulyoly/image/157457522.jpg

http://www.pbase.com/paulyoly/image/157457523.jpg

http://www.pbase.com/paulyoly/image/157457526.jpg

I'll take a pic with the tire off tomorrow. I'm going to remove the lower spring isolator to try and get back my 1/4 inch of drop.

moosestang
09-21-2014, 06:28 PM
took the lower isolator out and filled up the tank.

http://www.pbase.com/image/157476572.jpg