I was just noting the difference, which I found interesting. Honestly, I have no idea what works on an S2000, I'm just trying to get up to speed (literally)

 

Due to the higher grip at Lincoln, I've found that we need more neg camber there than "regular" asphalt lots. So that may be part of it. 2.3-2.5 sounds reasonable at Lincoln.

 

I spent the previous 2 seasons preparing a Mazdaspeed3 for STX so I wouldn't say I know what I'm doing here either. It is nice to have all this adjustment available and I don't miss the macpherson strut at all...

 

Just trying to be helpful here , there is a wealth of information on this forum even for stock class, so no need to reinvent the wheel. Between archives and current/past s2000 drivers on the forum, we know "what works" after almost 15 years of succesful and "serious" autocross competition setup development.

I would give this feedback on alignment:

You are never going to get enough front camber in street class wihtout camber adders. So do everything you can to get as much as possible out of the front. In my experience, more than -2.0 in the back makes the car a bit pushy; less eager to rotate. Sure the tire will be happy and read good temps, but that doesn't mean it's faster. I don't like the balance of the car that way; for me it is slower and requires an overly agressive technique to induce rotation. My car has always been quicker with me driving it with -1.7 to -2 in the rear. I was actually forced to run the car at around -2.1/-2.2 at 2013 nationals (one of a couple of alignment gremlines) that made the car even worse at Lincoln. Of course YMMV depending on other setup variables. I believe Pfannenschmidt (Champ in 2010) Toussaint (champ in 2011 and 2012), Yom (2013, same car Toussaint) had targeted rear camber less than -2.0.

I would also limit the toe to no more than 1/8" in the rear, I prefer less.

CR shocks are fantastic. In my experience you get marginal (at most) pace improvement with a revalved Koni Yellow compared to CR shocks. But do not discount the pace improvment and further tunability, and many other advantages of running a high nitro pressure high end coil over shock in stock class to augment what is still very soft stock suspension.

 

That "standard" BS alignment worked well for 275/40-17 Hoosiers, myself included, but I didn't like it much on street tires and higher speed courses. And as Todd alluded to, what works for one may not work for another. It's a great starting point to adjust from, though.

I'm a solidly mediocre driver, so take that with a grain of salt.

 

Yup, that falls in to preference. I would just note for the world that my A6 settings and balance translated nearly identically regarding alignment settings. The only changes I made were a touch softer on compression and 1 hole softer on the front bar to make it perfect it again. The tire grip stagger does change slighty since street tires make less grip pinched than Hoosier's, but it all of the experience and setup lessons transfered to the street tire setup. I ran the car very quickly on 245/255 Z1 star specs.

 

I don't presume to be presenting anything ground breaking but I would like to encourage more CR's to run AS nationally.

 

Good thread!

As a note about camber, I was in BS at nats last year, and our alignment was also maxed out camber all around. We were the fastest s2000 in BS for whatever that's worth. That was on z2's, 245 front 255 rear.

 

Todd, have you guys considered running 245s in the front? I know I shouldn't be giving you suggestions to make you any faster but it might be worth a try over the 225s y'all are currently running.

 

Im not against trying a bigger front tire but the narrow front wheel with a 245 pinched on seems wrong to me. It's certainly worth testing and perhaps we will. On the other hand with all of the new tires I'd hate to throw sizing changes into the mix at this early stage as well.