F430 Lowering Springs - Ferrari Life
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post #1 of 36 Old 11-03-2011, 12:56 PM Thread Starter
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Lowering Springs

Hi guys,

I'm a newbie in customization, but just got new rims and wanted to know how many inches can i drop down to avoid scraping between the tires and the vendors.

It's F430 maroon with D2Forged rims CV1. 19 inches front 20 inches back.

I live in MA, and the roads are not as smooth here so I was thinking not to go 1 inch.

Can anyone help me with this?

Thanks in advance.
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post #2 of 36 Old 11-03-2011, 01:24 PM
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Bryant- Welcome to Ferrari Life. All the late model Ferraris are ride height adjustable within a certain range. It is relatively easy to adjust ride height as part of of a four wheel suspension alignment. One inch is a lot of lowering, 25.4 mm, and 15-20 mm might be more realistic and still allow factory toe-in and camber specifications to be met.

What width and offsets are the wheels and what size tires do you have on the 19s and 20s? Tire clearance is the big problem and we can calculate the difference in diameter between what you have and the OEM 19s.

5 X 108 mm Bolt Pattern

348

Five Spoke 17” Early, 5 X 108 mm
Front 7.5J X 17 ET 49 mm, Rear 9J X 17 ET 68 mm
Five Spoke 17” Late, 5 X 108 mm
Front 7.5J X 17 ET 49 mm, Rear 9J X 17 ET 43.05 mm

355

Five Spoke 18”, 5 X 108 mm
Front 7.5J X 18 ET 32 mm, Rear 10J X 18 ET 77.9 mm

456 GT/456M

Five Spoke 17”, 5 X 108 mm
Front 8.5J X 17 ET 50 mm, Rear 10J X 17 ET 24.6mm


360

Five Spoke and Modular 18”, 5 X 108 mm
Front 7.5J X 18 ET 31.5 mm, Rear 10J X 18 ET 39 mm

360 Challenge Stradale

Challenge Monolithic 19”, 5 X 108 mm
Front 7.5J X 19 ET 31.5 mm, Rear 10J X 19 ET 39 mm

550/575M/575 Superamerica

550/575M Five Spoke/Modular 18”, 5 X 108 mm
Front 8.5J X 18 ET 43.65 mm, Rear 10.5J X 18 ET 32 mm
575M/575 Superamerica Five Spoke Modular 19”, 5 X 108 mm
Front 8.5J X 19 ET 43.6 mm, Rear 10.5J X 19 ET 32 mm

F430

Five (Ten) Spoke and Challenge Monolithic 19”, 5 X 108 mm
Front 7.5J X 19 ET 31.5 mm, Rear 10J X 19 ET 39 mm

Scuderia/16M

10 Spoke, Five Spoke 19”, 5 X 108 mm
Front 8J X 19 ET 31.5 mm, Rear 10J X 19 ET 39 mm

Taz
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post #3 of 36 Old 11-03-2011, 01:27 PM
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Hi,

I lowered my F430 with stock rims but changed the springs with Scuderia springs - level 3 (red). I will post in the Knowledge Base section some very detailed info about the different F430 and Scuderia steel springs with all the technical data (static & dynamic load, sizes, calculated spring rate).

I lowered then my car as follows :

Front: 8.3 cm between wheel rim edge and fender edge (in stead of 10 cm)
Rear : 10 cm between wheel rim edge and fender edge (in stead of 12 cm)

Most important, you'll have to do a complete geometric alignment after lowering your car and because you changed certainly also the rear wheel height with 20'' rims.

I have no issues anymore with the much stiffer springs even if my car is now much lower. With the soft stock springs I had before, I was hitting the ground all the time, especially when I was hard braking right before a turn for instance on a mountain road. Despite the stiffer springs, the car remain still very comfortable.
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post #4 of 36 Old 11-03-2011, 01:34 PM Thread Starter
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mm, how do i measure/check all that?

I tried to post a picture but I believe i have to put it in a link form which I don't know how.

I heard the stock F430 has 10 mm and dealer suggest 15 mm, but wondering if I can lower higher than that.

Another newbie question: what does spring affect? If I change springs, will that affect performance? I'm using this car for overall enjoyment (I'm still 20 so I really don't want to mess up by putting wrong springs).

Last edited by bryant04; 11-03-2011 at 01:40 PM.
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post #5 of 36 Old 11-03-2011, 01:58 PM
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You can stay with OEM springs but put the Scuderia steel springs in stead of your soft F430 springs. The handling of your car will be greatly improved.

Have a look here : F430 Spring rates - Ferrari Life

I'm sorry if it is a bit technical

As Terry asked, it is important to reevaluate your new 20'' total width, height and offset.

I lowered 17mm front and 20mm rear. Never had issues even on rough roads.
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post #6 of 36 Old 11-03-2011, 02:08 PM
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Stef - we have discussed this before. I don΄t think it is wise to lower your car too much with standard springs. You can easily have an issue with bottom out the suspension and crack the frame. Have happened in some cases. I used the H&R sport springs and I guess they are close to what StefVan use.
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post #7 of 36 Old 11-03-2011, 02:35 PM
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Anders- The limit on most Ferraris to avoid that problem is 15-20 mm. More and you are definitely asking for trouble without changing springs.

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post #8 of 36 Old 11-03-2011, 03:44 PM Thread Starter
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Just to get this right, you are suggesting I get H&R springs for better durability?
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post #9 of 36 Old 11-03-2011, 11:31 PM
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Quote:
Originally Posted by bryant04 View Post
Just to get this right, you are suggesting I get H&R springs for better durability?
Not really, we are suggesting the H&R springs if you want to lower your car more than the range suggested by Terry (15-20mm)
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post #10 of 36 Old 11-04-2011, 03:48 AM
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Got 8 cm front and 11 cm rear. Will up 10 mm front at least and will take out the sparewheel. Too noseheavy for all speedbumps we got here.
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post #11 of 36 Old 11-05-2011, 07:49 AM
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Yes, I also believe that anything over 15mm is pushing it over the top, when it comes to practicality.

I have lowered my spider by 20mm and I have problem clearing some speed bumps in London.
I will leave it as it is for now, since I am getting a set of light weight 20inch wheels soon and then re evaluate.

By the way after I lowered it, the wheel geometry was out by miles and needed to be corrected.
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post #12 of 36 Old 11-05-2011, 08:01 AM
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It's true that 20mm is already much lower and speed bumps can be a real issue. I would suggest the OP to consider this depending on your environment. In Swizerland we have the chance to have mostly small speed bumps which is fine for my lowered car

Last edited by StefVan; 11-05-2011 at 10:54 AM.
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post #13 of 36 Old 11-05-2011, 08:03 AM
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Harry, let us know when you'll get your new 20" rims
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post #14 of 36 Old 11-05-2011, 08:36 AM
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Quote:
Originally Posted by StefVan View Post
Harry, let us know when you'll get your new 20" rims
They should be with me in about 3 weeks Stef.

It's been over 4 weeks since I ordered them and they reckon it takes up to 7 weeks to manufacture.

They are supposed to be ultra light at only 9kg at front and 10 at rear.
I will post a new thread once they arrive.
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post #15 of 36 Old 11-05-2011, 10:55 AM
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Cool, thanks Harry. Whaaw, 9/10 kg that's really very light. Are they made in kevlar?
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post #16 of 36 Old 11-06-2011, 03:48 AM
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Quote:
Originally Posted by StefVan View Post
Cool, thanks Harry. Whaaw, 9/10 kg that's really very light. Are they made in kevlar?
He He!

More like cotton wool to make this weight I thought.
Check out www.corwheels.com/f1-encor/
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post #17 of 36 Old 11-06-2011, 03:51 AM
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By the way, Bryant , we don't mean to hijack your thread with this wheel discussion, but if at any point you feel that this is not relevant to your lower spring/ wheel enquiry, please let me know and we can move this to a new thread.
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post #18 of 36 Old 11-06-2011, 08:59 PM Thread Starter
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Oh, its okay. It's great looking at other people's post, especially when I'm new here. The roads in Boston is pretty bad, so I'll probably go 15 mm since it's what the dealers suggestion was.

Usually a good tune to a Ferrari would just be rims and springs right? What have other people done that's reasonable?

I changed my 360 exhaust back in Indonesia (tubi), and sounds way louder than the 430 i have here in US which makes me wonder whether a tubi installed in 360 will sound the same as in a 430.

Also, my engine lights keeps on going on and off for no reason (usually after I fuel my car). Do any of you also have the same issues?
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post #19 of 36 Old 11-06-2011, 10:33 PM
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The main modification I did are the Capristo headers on my F430 to replace my broken stock headers. That was a huge improvement on my car in terms of sound and torque/Hp. A very good improvement also in terms of engine bay heat since the new Capristo headers are wrapped in heat shields. It reduced the engine bay temperature by 45%! I didn't change the stock exhaust manifold because I found that the improvement of sound just with the new headers is already huge. It's a very wild metalic sound now

Regarding your CEL, no, this isn't normal. If I may give you an advice, you should never leave a CEL without checking what's really going on. Behind a CEL, there can be serious problems or minor issues. The first thing to do is to get the error code using a OBD diagnostic tool. From the error code(s), we can help you more. Maybe you have a fuel filler cap which isn't air proof anymore which creates an air leak? Only the error code can tell. Let us know if we can help you out

Last edited by StefVan; 11-07-2011 at 12:53 AM.
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post #20 of 36 Old 11-07-2011, 11:11 AM Thread Starter
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Is it that worth it to change the headers? What is the cost? I was planning to put carbon fibre parts for interior when they told me it's worth around 8k

I want sounds for attractiveness, rather than crazy v8 sound or whatever. Therefore, should I just keep the stock exhaust or switch it? (FYI, Tubi in the 360 sounds too loud for me, and pretty sure the public will think I'm a Douchebag)
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