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no R60 agenda from the SEB either. The goal of the SEB is to increase participation and I (personally) don't see how a lower performance tire being mandated would do that. I think test data like...

Ben,
Any additional comments about the experience at the crows tour? Looked like some interesting testing going on.

one question that comes to my mind is if the R60 cantilever tire is faster than an R20 front tire installed on the rear.

well there is also this in the march '23 fastrack:

#33424 CM: Add GCR-compliant FC w GCR Spec Hoosier R60A Tires
Thanks for your feedback, the MAC has concerns of allowing a GCR legal FC into the...

Rick Ruth talks about his method in this podcast.
https://podcasts.apple.com/au/podcast/the-pax-rtp-index/id1487752037?i=1000531927614
(i just picked the apple link, there are others if you...

let me guess. you use leaded racing fuel in your car?

feel free to start the thread but *spoiler alert* nobody on the SEB is pushing to consolidate mod classes. we were as surprised by the modified advisory committee post as everyone else was.

I suppose I should start this reply with the standard 'unofficial' disclaimer being one of those nasty SEB members but the picture for appendix A - Bmod.E.2 literally has the word "unrestricted" on...

The Dauntless wings on KJ’s old car were something like 15 or more layers of carbon fiber, hollow core with internal carbon structure. I hit many cones with them and they liked it.

carbon...

Out of curiosity what is the failure mode from using the cylinder head mounting holes? Do the bosses break off or is it twisting the block and killing bearings?

I think he is just pointing out that all chains are even link counts unless you use a half link.

Not to mention there is a minimum weight limit that prevents running without body work from reducing the weight of the car.

you are getting confused by the swift 016 specific allowances. Ignore all of the 016 specs and focus on the actual FA rules.

uh...I drive this:
http://cdn1.heavythrottle.com/wp-content/gallery/2016%20CSCC%20SCCA%20SOLO%20II%20-%20El%20Toro%203-20/Solo-II-El-Toro-194.jpg


A former Bowland built car. It has a...

they all have differentials.

zx12 is Bmod legal also, just not at the 1020# min weight.

There are 3 main chain drive differential options out there that I know of, TRE, WRD and ICP/variloc. I'm looking for insight on the things one can't find on their websites like reliability, rebuild...

the eppler e423 is probably your best bet for a non-proprietary high downforce airfoil, but probably not the lowest drag solution. Selig S1223 is also a decent choice.
...

you can plug some numbers into something like this to get you started.

http://farnorthracing.com/autocross_secrets16.html

why do we need to tow 6 hours each way to get beat by a CM car on index? :ha:

Honda isn't a tour sponsor, so no getting rich from match tours.

I think the 'powered ground effects' are outside of the class rules. :ha:

nope. ;)

Am I looking at these pics wrong or does this upright have negative caster?

I believe one of Dixon's books (shock absorber handbook maybe?) talks about spring forces being proportional to MR^2 and shock forces proportional to MR^3.