Eibach's springs & sway bar kit soft setting.....sucks!!

[JVsGT]

Personally I think your springs already improved the handling significantly and adding the sways was not a big jump. Most of us have only added sways so we see the big jump. I think you get it tuned right it will be sweet.

Let me know where you got your Sways and who installed. What was total cost? I think I'm ready for that mod now..

 

[Chucky]

Understeer is "getting into the marbles", as I understand it. Two RL examples I recall, one fairly recent: Jay Howard got "pushed out into the marbles" at Indy in 2017: grip suddenly gone, massive induced understeer; he met the wall.

Then back in 1970, Piers Courage "slid wide" (not spun, slid; again, when you slide off a corner it is because of understeer) and went off the track.

The speed at the time, iirc, was c. 160 MPH. Understeer at those speeds is fatal to the car and sometimes the driver.

Merlin the "marbles" are small pieces of tire that come off the race cars tires during a race, during the course of the race the marbles build up outside the racing line. If a car gets into these marbles it loses grip significantly.
Marbles on F1 track:

F1 tire after a race:

 

[SteveCo]

F1 tire after a race:

That may be a picture taken after a race has completed and the car has run off the racing line (through 'the marbles'), but there is no way that car ran a competitive lap with that amount of crap adhered to its tires. Racing tires at operating temperature are sticky like fly paper, so they'll pick up everything that's loose.

 

[itguy61]

Let me know where you got your Sways and who installed. What was total cost? I think I'm ready for that mod now..

I got the sways from Khartunerz and had Twiggman's detail shop install them. They are over off of SW loop 820. Kyle, the owner does work for Moritz. He is real good. Contact him through his Facebook page.

 

[MerlintheMad]

Down hill descent on corners I found it would turn in but I would be seen sawing to correct the direction and then the back would bite and hold straightening up. So from what you've all said this is Understeer. Tell me would the fact my wheels have been changed to ones 12lbs lighter make any difference?

As you all said going to change up to hard setting on front sway. More test before the 300km trip south to Canberra next Saturday.

"Turn in" equals "oversteer". The front wheels suddenly bite and turn "in" tighter than your steering wheel input. And of course the instant reaction is to open the turn. On videos I see this happening all the time: jab of oversteer followed instantly by a quick flick of the steering wheel in the opposite direction: problem solved.

My one palpable experience with oversteer was soon after I took the Michelins off and replaced them with the Nitto Motivo UHP A/S: the rims were still the "boat anchors" OE GT. I have not even approached "tire song" with the TSW "Watkins" rims and Michelins, much less oversteer. Stock front sway bar, still; back Eibach on "soft".

Merlin the "marbles" are small pieces of tire that come off the race cars tires during a race, during the course of the race the marbles build up outside the racing line. If a car gets into these marbles it loses grip significantly.
Marbles on F1 track:
View attachment 28111
F1 tire after a race:
View attachment 28112

Yep. And then understeer is instantaneous.

 

[Chucky]

That may be a picture taken after a race has completed and the car has run off the racing line (through 'the marbles'), but there is no way that car ran a competitive lap with that amount of crap adhered to its tires. Racing tires at operating temperature are sticky like fly paper, so they'll pick up everything that's loose.

You are correct most of what you see on that tire is rubber debris it picked up while driving through marbles while the tire was hot. There's more information than anyone would ever could want to know about F1 tires here: Using Tires
Below is an image showing how a Formula 1 tire blisters when it gets too hot and chunks of rubber fly off (marbles) the rubber literally melts from the inside.


F1 tires also experience graining which also produces marbles, this is what that looks like:

 

[itguy61]

Let me know where you got your Sways and who installed. What was total cost? I think I'm ready for that mod now..

Forgot the cost. The bars were the same price as they are listed now on the site. I paid 150 for rear install, he will do both for 250 (that is what he quoted me.). Highly recommended mod!

 

[JVsGT]

Forgot the cost. The bars were the same price as they are listed now on the site. I paid 150 for rear install, he will do both for 250 (that is what he quoted me.). Highly recommended mod!

So you have both front and rear or just the rear Sway? Settings on them (soft/hard)?

 

[itguy61]

Front on soft rear on firm.

 

[MerlintheMad]

Front on soft rear on firm.

Working toward the right amount of oversteer. Am I right?

 

[itguy61]

yes, just a slight bit.