To lower or not to lower? - Miata Turbo Forum - Boost cars, acquire cats.

Welcome to Miataturbo.net   Members
 


General Miata Chat A place to talk about anything Miata

Reply
 
 
 
LinkBack Thread Tools
Old 12-30-2006, 06:42 PM   #1
Senior Member
Thread Starter
iTrader: (3)
 
Join Date: Apr 2006
Location: Northern Michigan
Posts: 898
Total Cats: 0
Default To lower or not to lower?

I keep reading posts and my miata books and I keep going back and forth. I don't want to change the character of the car, I like the pleasant ride and the forgiving handling. But it definitely needs the illuminas as the power is out of balance with the suspension. I have the springs but I really can't spend money on new rear perches. I also like the stock look and my wife needs to still love the car. BUT, super tight handling would be nice too. The car has and is going to have less than 170 rwhp for clutch and rear end complications. Sorry to ramble, I will try and sumarize..

Is upsetting the stock geometry and losing ride quality worth the lowering springs or should I just install the illuminas and assume the improvement will be enough? Am I being too much of a wuss and I should hold out for perches and install everything then?
rotaryjunky is offline   Reply With Quote
Old 12-30-2006, 06:56 PM   #2
Boost Czar
iTrader: (61)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 72,892
Total Cats: 1,792
Default

what springs do you have? if the rates are higher the ride will somewhat improve (depending on the drop height), especially if you fork out the $75 for new progressive bumpstops.

I have a great all-around setup for street and performance. When I drive other miatas with more suspension work I do get a tad jealous, but I can certainly hold my own.
Braineack is offline   Reply With Quote
Old 12-30-2006, 08:11 PM   #3
Senior Member
Thread Starter
iTrader: (3)
 
Join Date: Apr 2006
Location: Northern Michigan
Posts: 898
Total Cats: 0
Default

The springs are Tokico "premium" HPS5053, with a 1 inch drop. I am going to search around for spring rates. $75 for bumpstops? Where? (That I can do, just sold a corbeau seat for $100.)
rotaryjunky is offline   Reply With Quote
Old 12-30-2006, 11:19 PM   #4
Tour de Franzia
iTrader: (6)
 
hustler's Avatar
 
Join Date: Jun 2006
Location: Republic of Dallas
Posts: 29,114
Total Cats: 351
Default

I'm on 440/350 gc's with valved bilsteins, and its not that low. I have stock sway bars, and after some time with an accelerometer and a skid pad my buddies suggested I pick the car up, were it sits in the pic, and it scored me almost .1 g's. (supposedly with sway bars, it will handle better a bit lower)
first ride height:

tuned height:

vs stock height:


my sister has the tein S springs on her msm on the stock bilsteins...its a bit tighter than stock, and I think its the perfect mix of trackable (about once per month..sister is bad ***) and daily driving. Its never rough or a beating...perfect for daily.
hustler is offline   Reply With Quote
Old 12-30-2006, 11:40 PM   #5
Junior Member
iTrader: (1)
 
Join Date: May 2006
Location: Phoenix, AZ
Posts: 401
Total Cats: -1
Default

I have the old FM springs on my KYB AGX. My ride height is exactly as FM described to me.

However, as a base model, my car has no OEM air splitter and lucky for me. Otherwise, I would have ripped them off the car by now.

If I had to do things over, I would choose a good set of coil overs (probably Teins) and adjust the ride height.
chuckerants is offline   Reply With Quote
Old 12-30-2006, 11:55 PM   #6
Boost Czar
iTrader: (61)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 72,892
Total Cats: 1,792
Default

Braineack is offline   Reply With Quote
Old 12-31-2006, 12:13 AM   #7
Senior Member
Thread Starter
iTrader: (3)
 
Join Date: Apr 2006
Location: Northern Michigan
Posts: 898
Total Cats: 0
Default

Quote:
Originally Posted by braineack View Post
Which ones do I need? Can these really do the job of the FM rear shock mounts?
rotaryjunky is offline   Reply With Quote
Old 12-31-2006, 12:28 AM   #8
Elite Member
iTrader: (24)
 
kotomile's Avatar
 
Join Date: Oct 2006
Location: Monterey, CA
Posts: 7,578
Total Cats: 40
Default

You need the 46mm stops and the hats would be good too.

It's too bad there's not a comparison pic on Shaikh's site to illustrate the difference between the NA/NB mounts. The FCM kit is awesome for both travel and ride and is well worth it. FWIW you'll also get .75-1" worth of lowering just by doing the FCM hats.
kotomile is offline   Reply With Quote
Old 12-31-2006, 12:38 PM   #9
Tour de Franzia
iTrader: (6)
 
hustler's Avatar
 
Join Date: Jun 2006
Location: Republic of Dallas
Posts: 29,114
Total Cats: 351
Default

teh fcm stops are good stuff.
hustler is offline   Reply With Quote
Old 12-31-2006, 01:44 PM   #10
Elite Member
iTrader: (9)
 
Join Date: Aug 2006
Location: Concord, North Carolina
Posts: 4,173
Total Cats: 5
Default

^ I like my FCM stuff, it seems to just FEEL better.
miatamania is offline   Reply With Quote
Old 12-31-2006, 03:01 PM   #11
Boost Czar
iTrader: (61)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 72,892
Total Cats: 1,792
Default

if you dont lower the car low enough, you don't need the rear FM perches....
Braineack is offline   Reply With Quote
Old 01-01-2007, 04:42 PM   #12
Senior Member
iTrader: (8)
 
Join Date: Oct 2005
Posts: 764
Total Cats: 0
Default

Don says...don't lower it! Thats not oem..blah blah blah!
So...you know it must be a good thing.

FCM bumps are great. I use them on a street application with Koni's and Eibach pro springs. Much improvement over stock bumps.
miatanutz is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Project Gemini - Turbo Civic on the Cheap Full_Tilt_Boogie Build Threads 59 Yesterday 09:00 PM
OTS Bilstein to motorsports ASN conversion stoves Suspension, Brakes, Drivetrain 5 04-21-2016 04:00 PM
My solution for Oiltemp and Oilpressure input into Megasuirt (MS3) Zaphod MEGAsquirt 41 01-24-2016 01:25 PM
Did I fry my daughterboard? wred MEGAsquirt 20 10-16-2015 02:26 AM


Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 03:42 AM.