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-   -   Need some suspension help (https://www.ft86club.com/forums/showthread.php?t=26622)

JoeBoxer 01-17-2013 02:17 AM

Need some suspension help
 
Current setup
Tein H tech springs (too soft in front and stiffer than stock in rear)
Oem camber bolts
Spc rear lower control arms
Camber is 1.1-1.2 front, 1.5 rear
Toe is near 0, a little toe in on rear iirc but need to put it back on the rack and double check
225/40 and 235/40 continental DW
18x8 +30 and 18x9 +35 wheels

After changing to these tires and wheels from the 8.5 square 235/40 setup my turn in is much improved which is what I was going for, however I still feel the springs are holding me back. The tire change made it much more responsive but seem to have possibly lost a little stability, car is faster but a little loose which is fun but would like a more controlled feel if that makes sense.

I was thinking of trying a 20mm whiteline or 22mm Strano front bar to start and is the most cost effective option. Eventually I will replace the springs but I'm in between a GC/bilstein coilover kit or something like the tein street advance or eibach pro street coilover kit. I'm also considering swapping springs to the swift brz springs which are 3.8/4.5 and adding bilstein or Koni down the road when full replacement fronts are available. My car is strictly a daily driver and I am on a tight budget but looking for advice on what to do. I'm thinking the Strano front bar and swift springs are the best option right now but any input is appreciated. I will say that bc/stance coilovers are not an option.


EDIT: I was confused there is no Toe Out on the rear

CSG Mike 01-17-2013 03:11 AM

Add a little bit of toe-in in the rear. The toe-out is destabilizing it.

Try 1/16" total toe-in. If it helps, but not enough, try 1/8" total. I wouldn't recommend going past 3/16" total-in.

Gixxersixxerman 01-17-2013 03:16 AM

Do you like the ride of the TIEN h springs.. I was going to go with the TIEN s for that extra drop, stock struts.. This is untill I have the money saved for the KW's.. I haven't had a chance to run it by CSG mike yet.. Since both are on the thread... Any input

whataboutbob 01-17-2013 03:41 AM

I'd do a sway up front first. Really liking the 20mm adj Whiteline with adj endlinks so far.

donutfilling 01-17-2013 04:35 AM

yea, never heard of people going toe out in the rear. most extreme is 0 toe rear but usually 1/16-1/8th in in the rear

JoeBoxer 01-17-2013 09:03 AM

Will double check the alignment Saturday at work and see where it's at and adjust if neccessary, ride is excellent on the h tech but I knew when I bought them they were a temporary solution until some more stuff was on the market.

JoeBoxer 01-17-2013 09:42 AM

Quote:

Originally Posted by whataboutbob (Post 670641)
I'd do a sway up front first. Really liking the 20mm adj Whiteline with adj endlinks so far.

That's the plan after i check the alignment, just found a nice little article explaining camber, caster, and toe. Check this out...

http://www.ozebiz.com.au/racetech/theory/align.html

Scooby South 01-17-2013 10:20 AM

You need front camber....I recommend plates, that will let you achieve up to -2 degrees or more for your needs. RaceComp has some that will work for your needs that raise the mounting point of your assy.. This type allows lowering .. Usually when you put camber plates on, you gain about inch in height and compensate with the ride height adjustment if your using coilovers.. This type takes that inch and puts it up in the strut tower thus you maintian your look.. Another thing, If you use this method.. you will now be tilting the top of the tire in and tire clearance on the strut/spring might be an issue. Most likely not...and might actually gain clearance as you add more neg camber/tilting assy in..:) Hope that helps.


http://www.racecompengineering.com/m...es_large_2.jpg

.. that and your alignment is wonky.. and As CSG MIKE said, some toe in on the rear will help tremendously.

Sway bar... I would recommend waiting...til you get your camber/alignment fixed first to see where your at. :)...then re-visit the front swaybar at a later time.

Bill

Grip Ronin 01-17-2013 10:41 AM

your dampers might be starting to go if they are still stock. perhaps alittle toe in on the rear and a bigger rear sway bar. my last 2 cars i upsized the rear sway only and made a huge difference in turn in and stability, but idk what part of your car feels unstable to match it correctly

Racecomp Engineering 01-17-2013 11:09 AM

As others have said, your rear toe should be adjusted but also a little more rear camber could help.

More front camber will also help, and a front bar. I'd start with that since you'll probably want to do these things anyway if you switch set-ups.

- andrew

JoeBoxer 01-17-2013 11:09 AM

Quote:

Originally Posted by Racecomp Engineering (Post 670978)
As others have said, your rear toe should be adjusted but also a little more rear camber could help.

More front camber will also help, and a front bar. I'd start with that since you'll probably want to do these things anyway if you switch set-ups.

- andrew

What's the size of your bars i saw on facebook? Would you sell me just the front?

I need to check that alignment, it might be a little toe in i can't remember the numbers and my dog ate the printout lol. Suspension has had time to settle now so probably need to check it anyways.

philstar 01-17-2013 11:36 AM

opinions on slight toe out in front with slight toe in in rear for our cars?

Scooby South 01-17-2013 11:56 AM

Quote:

Originally Posted by philstar (Post 671015)
opinions on slight toe out in front with slight toe in in rear for our cars?

Whats the rest of the equation???

Camber frt/rr and what are you using it for


Bill

Ryephile 01-17-2013 12:04 PM

*Fix the alignment. 1/16" total toe-in front and rear. None of this toe-out business if you're looking for confidence.
*Get good springs with balanced spring rates, Swift or RCE? GC coil conversion with Koni Yellow is a great option but pricier.
*Remember that adding too much camber on the street will add tramlining and destabilize the car in a straight line. There's always a trade-off. There's little need for >2° camber on a street car unless you have magically twisty roads in your daily commute.


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