I saw the SCCA announce a TT program for the next step after DE/TNiA, and I'm super interested. The rules page: http://www.sccahq.com/time-trials-rules/ has a lot of the rules and some links. What I'm not sure about is the classing. I know I'm Level 2 - Touring thanks to all the suspension mods (control arms, coil overs, caster/camber plates), and that the sub-class is sort of by Lbs/Liter, but if you drill down into the actual rules they have forced induction and naturally aspirated are separated out and there's a random chart about classes to tire width. I also don't know if the weight is as published or as weighed, and with or without driver. (I'm like right on the edge of being TC instead of TB thanks to only being 4.6L)
Anything else I need to know, any info? I've done a TNiA and 4 DE's, is that enough to get the vaguely-alluded to "TT License"? Do you even need one in Touring?
Sorry, the first event is in like 6 weeks, so I'm trying to be there!
In for info.
Im curious how completive my ACR would fall in SE.
Jaynen
UltraDork
3/7/18 3:07 p.m.
Oh TNiA is track night in america I was like what kind of HPDE is that. Looks like I would be in "TE" Doesn't look like it comes to my neck of the woods tho (NC)
Im very excited for this. Gives my 280zx a place to compete easily (I hope)
Welp, looks like my Europa will be UA. Sky's the limit for poor Igor...
Driven5
SuperDork
3/8/18 10:16 a.m.
The limited rule set has potential, but at least one key failing IMHO. In no class do I see any lb/L adjustment to balance the resulting lb/hp of forced induction vs naturally aspirated, and 2 valve vs 3+ valve, engines. So if this concept 'gains traction', I'd expect those classes to eventually devolve into turbo 3+ valve, followed by turbo 2 valve, followed by N/A 3+ valve, followed by NA 2 valve...As at the same lb/L, that's the order of lb/hp potential.
In reply to Driven5 :
Actually, in Touring all of the boosted cars all run in TC unless they have less than 800Lb/L, so the only factory blown cars that will get below that are the supercharged V8's and other big motors, where they will have to contend with no modifications to the factory boost levels.
Ok, so SE and TC are the only two classes that make specific allowances for turbo vehicles, and I now see that Mod has an additional 90% of curb weight requirement. I suppose maybe it will all just kind of 'work out' for keeping a wide range of cars competitive, but I think I'd wait-and-see before spending much money to find out first hand.
Everyone needs to keep in mind that this ruleset is PRELIMINARY, and open for comment for a few more weeks. So if you have opinions, submit to them to the SCCA here: https://www.scca.com/forms/time-trials-feedback
These rules also are only going to apply to the TT Nationals event and the National Preview events (one at CMP, one at NOLA? can't quite remember) - it is up to your individual regions if they want to adopt the ruleset for their own programs.
I still can't figure out the weight. I heard that it's the same as Club Racing rules, but it's not spelled out in the rules.
If the weight rules are anything like the ones my local SCCA region used for their TT program, the weight is fuelled up with the driver in the car.
BoxheadCougarTim said:
If the weight rules are anything like the ones my local SCCA region used for their TT program, the weight is fuelled up with the driver in the car.
If that's true, I need to stop my diet!
In reply to Javelin :
Heh. In my case with the RX8, I should've eaten a few more pizzas!
evildky
SuperDork
3/14/18 4:06 p.m.
I've been following a lot of this as it's "TT Nationals" will take place within my region. We have a one day version at NCM on 6/2.
TTN as well as other pilot events will be 3 separate parts. "TE" or "Track Event" basically TNIA. "Track Cross" (Lets call this "TX") point to point on the track one at a time with autocross timers as a means to figure out who runs with who in a effort to avoid any traffic during the TT. "TT" or "Time Trials" will be run with transponders and this is the part that necessitates the classing structure because there will be classes and there will be winners, which is actually a combination of best TX and TT times.
As for where these events are being held. There are I believe there are already Michigan, Carolina's and Georgia and KY on the books and I'm sure more to come.
As for classing, the first two tiers are mostly centered around street tire autocross classes, I heard mention of a third street tire tier to cater to CAM and SM type cars on street tires. The regions will have latitude to run local classes much like they do for solo programs, or even run their own format.
I'm excited to see how this plays out, the first pilot event takes place in just a couple weeks at Gingerman. The powers that be seem to be more focused on fun than arbitrary lines that often become huge focus at these types of events.