Has anyone driven both FM stg1 and FM Vmaxx suspensions?? - Page 7 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 01-17-2013, 11:58 AM   #121
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Quote:
Originally Posted by Scrappy Jack View Post
Your proposed settings are probably fine and, if you are mostly commuting and driving like a Buick owner, you won't notice the difference between any of the settings anyway.
Great. Sounds like win to me.

But for the sake of discussion, what would you say the handling characteristics differences between my proposed settings would be vs the others?

I'm guessing 949 would have most grip in corners, and least in a straight line.
I'm guessing mine would be best in a straight line, but most tail happy in corners?
And I'm guessing FM would be somewhere between the two, but with much more understeer vs 949 and vs mine?


Does that sound about right?
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Old 01-17-2013, 12:28 PM   #122
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My guess is the 949 and FM setups are different because 949 runs stock or stock-mazdaspeed rear sways, where FM runs their rear sway. FM is set up for a stiffer rear sway, 949 for a looser one.

What sways do you have on it now?
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Old 01-17-2013, 12:49 PM   #123
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OEM NB2 "regular" sway bars
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Old 01-17-2013, 01:21 PM   #124
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Mine was FM (or pretty close, I forget exactly) with zero toe front and back. Like I mentioned earlier in the thread, I am very happy with how it handles.

Frankly, 1/2 a degree out or +/-1/8" toe is probably not going to be too noticeable on the street.
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Old 01-17-2013, 01:44 PM   #125
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Really? So I shouldn't even bother re-aligning?

Its only $45
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Old 01-17-2013, 01:51 PM   #126
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For that much, it's probably worth it just for peace of mind. Cost me closer to double that around here.

If you've changed anything (even tires), I'd get it done.
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Old 01-17-2013, 02:58 PM   #127
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My input: more camber in the front is needed for cornering really hard (949.) FMish camber of -1f/-1.5r will result in less grip in the front at the limit, which necessitates a bigger rear bar to balance things during hard cornering, but is better behaved over bumpy roads, which your mom will appreciate when she borrows the car.

As for toe, I like 0 all around. It makes the car fun to drive, but still manageable. A little bit of toe in in the front will allow you to play with the radio and tickle your boyfriend without getting onto the rumble strips, but turn in won't be as fun. A little toe in in the back will make the corners (as apposed to turn in) more stable and relaxed.

In the end, it sounds like you want an FM alignment.

edit: I've never tried it, but less negative camber in the rear might work better for drag racing, which is what you (18psi) suggested a page and a half back: -1f/-0.5r, but with a tiny bit of toe in up front. It'll be tail happy, so I might try no rear bar at all, if it were me.

Last edited by DaveC; 01-17-2013 at 03:33 PM.
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Old 01-17-2013, 03:42 PM   #128
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Hmm,

So my suggested settings should technically be the most "street" friendly, yet tail happy in hard cornering, yet best off the line and in a straight line? Perhaps with a dash of toe in...

In other words, exactly what I want?

Everything I know about drag racing/straightline traction says to run the least amount of neg camber on the driving wheels.Some even run positive camber to account for the geometrical change when the car squats. So makes sense
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Old 01-17-2013, 06:09 PM   #129
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For $45, go do it. If it isn't what you want, take it back. Most places will realign for a token fee within a week or so. Even if they charge you all over again, it'd be worth it so you know how it feels.

Many places will even offer suggestions outside of the factory specs if you tell them what you want. Firestone did it for me, and we discussed the settings before they did them. They even took me back in the shop while the car was still on the lift to show me they hit the numbers I asked for.
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Old 01-17-2013, 07:47 PM   #130
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Just got it done.
Car feels good.

Nothing noticeable to report, maybe a tiny little bit more responsiveness.

I'll post specs when I get the sheet from the car.
Basically:

front caster 6
front camber -1
front toe 0.05

rear camber -0.5
rear toe .02

Guy was great, basically let me stand there and dictate each and every spec.
If I don't like it like you said I can just re-do it, but so far I have zero complaints.
Car still feels really good.

Will try to push it hard around some corners this weekend and see how it will now react
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Old 01-17-2013, 07:58 PM   #131
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Next time sit in the driver's seat while they do it. Or throw 170lbs of weight in the driver seat.

The one time I got my miata aligned I asked for this and the guy didn't mind.

Last edited by Efini~FC3S; 01-17-2013 at 07:58 PM. Reason: spelling fael
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Old 01-17-2013, 08:00 PM   #132
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totally slipped my mind.
he would have let me do it too.

crap
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Old 01-17-2013, 08:44 PM   #133
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You're screwed now.
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Old 01-17-2013, 10:17 PM   #134
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cool story bro
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Old 01-17-2013, 10:29 PM   #135
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Quote:
Originally Posted by rleete View Post
Frankly, 1/2 a degree out or +/-1/8" toe is probably not going to be too noticeable on the street.
I promise you'd notice if someone suddenly re-aligned your car to have 1/8" of toe-out in the rear.

I DD'ed my car with 2.2/2.0 camber, 3.5 caster, 0 toe for years, but that assumes you drive like me (i.e. like a man). Since 18psi is incapable of such driving prowess (and generally incapable of acting like a man in his day-to-day life), I can't say what would work best, aside from perhaps some testosterone pills.
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Old 01-17-2013, 10:49 PM   #136
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Quote:
Originally Posted by Savington View Post
I promise you'd notice if someone suddenly re-aligned your car to have 1/8" of toe-out in the rear.

I DD'ed my car with 2.2/2.0 camber, 3.5 caster, 0 toe for years, but that assumes you drive like me (i.e. like a man). Since 18psi is incapable of such driving prowess (and generally incapable of acting like a man in his day-to-day life), I can't say what would work best, aside from perhaps some testosterone pills.
2/10
Nice try kidd
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Old 01-17-2013, 11:28 PM   #137
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no it was 2.2/2.0 can't you read?
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Old 01-18-2013, 12:15 AM   #138
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Old 01-18-2013, 12:25 AM   #139
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So I feel kinda weird about the ride height of the car now that its aligned and wheels are on. Front is great, rear is WAY up high, and there's more rake to it than I'd like.

I'll snap a few pics tomorrow.

Its not a big deal, just kinda wish the rear end was about .25" lower
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Old 01-18-2013, 10:30 AM   #140
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