The prior gen ZL1 brakes are the same as my 1LE brakes. I am not 100% sure on this but I’m under the impression that the hats for the 2-piece rotors don’t fit from 5th to 6th gen but I think the calipers are the same.
That being said, I’m considering changing to current ZL1 brakes because the rotors are bigger. I can only go 15 minutes before I boil the fluid.
I'd tend to think that buying someone's takeoff 4-piston calipers (eg. base SS) is the way to go to get the brakes or buy the parts through the aftermarket. They were also on the ATS and 5th gen and aren't horribly expensive. The rear brakes are probably too much of a pain. I doubt the 6-pistons are necessary/useful on the I4/V6 cars. I suspect the radiator upgrade is fairly easy to make as it's just two smaller radiators on each side of the main radiator.
If classing isn't important then an easy suspension upgrade is to obtain parts intended for the SS. That's all the 1LE package is. You could buy the GM lowering kit intended for the SS. Or you could buy someone's takeoff OEM SS setup (FE3 suspension). Or an aftermarket spring, shock, sway setup intended for the SS.
In reply to Lugnut:
Interesting that you're boiling fluid that quickly. The guy I know who did One Lap this year in a previous gen 1LE thought he needed either more brake or better brake cooling by the mid point of the week. He ended up getting a new ZL1 ILE. He's currently wondering if the extra power will offset the extra brake.
The availability of parts is a big draw for these cars. The fact that the chassis/brakes/suspension available are capable of handling 650hp and it has less than half that on the four is also reassuring. I really liked the driving position in the car. Ergonomics felt great.
I don't need the car and really should just buy a ten year old Accord to build for autocross and One Lap, but it's hard to make emotional decisions with facts and intelligence.
just get the cramit, it'll be a lot easier ordering parts/tires... since "chevy" and "camaro" and "2017" are much higher on every "select your vehicle" dropdown. You'll save so much time, that it'll make up the difference in price through "hours billed" 
In reply to mazdeuce :
The ZL1 rotors are 390mm in the front vs my 370 and 365mm in the back vs my 339. ZL1 1LE has the same brakes as the regular ZL1.
I think it can use good ducting. My Corvette had great ductwork for the front brakes. This car as nothing. It needs it.
Also I went with the forum-recommended Raybestos ST-43 pads. They feel good while they work and they seem to be lasting a long time but if I can’t get them to last a whole session, then they won’t work! I’ll try Hawk DTC-60 next time. I wish Pagid made pads for this car.
sleepyhead said:just get the cramit, it'll be a lot easier ordering parts/tires... since "chevy" and "camaro" and "2017" are much higher on every "select your vehicle" dropdown. You'll save so much time, that it'll make up the difference in price through "hours billed"
That's honestly one nice thing about the Vette - it's the last "C" car in the Chevy list.
In reply to Lugnut :
Have to tried a different fluid?
First mod for any car that will see the track is high temp fluid for me, I would guess that he has tried fluids if hes changing pads
I've done Pagid RBF. I'm swapping in Castrol SRF for my event this week.
Annnnnnnnd now my mother in law wants to come drive one with me when they come visit in 10 days or so.
Lugnut said:In reply to mazdeuce :
The ZL1 rotors are 390mm in the front vs my 370 and 365mm in the back vs my 339. ZL1 1LE has the same brakes as the regular ZL1.
I think it can use good ducting. My Corvette had great ductwork for the front brakes. This car as nothing. It needs it.
Also I went with the forum-recommended Raybestos ST-43 pads. They feel good while they work and they seem to be lasting a long time but if I can’t get them to last a whole session, then they won’t work! I’ll try Hawk DTC-60 next time. I wish Pagid made pads for this car.
Yes, you need proper ducting on a 3700lb car with 455hp.
Would be nice if we knew somebody with a magazine that could do a story on one of these and verify stuff like this...
racerfink said:Would be nice if we knew somebody with a magazine that could do a story on one of these and verify stuff like this...
I know, right? 
There's no way he got that much power from it but the torque is possible
While a Camaro may not be practical enough to be in my near future, and if it was it would have a V6 with multi-mode muffler if for nothing other than the sound...Admittedly, this thread now has me researching/craving an ATS 2.0T sedan with manual transmission for my next ride, preferably in Premium trim mainly to get the apparently rather good magnetic ride control dampers. For some reason I can forgive blah sounds coming from a sedan much more easily than from a sports/pony car, even if on the same basic platform. This just seems like quite possibly the best all around combination of safe, kid-friendly, light-family-duty, enthusiast-friendly, RWD, regionally competitive-ish autox, daily driver available for the price right now...Especially since it would have to be (lightly) used, as they appear to have stopped offering the 2.0T in the upper trims after the 2016 model year, which means prices are quickly coming down into the surprisingly-reasonable range.
So I went and drove one this weekend, simply because this thread existed. Here are a few brief comments. First, this thing is fast, as in faster than my old '08 GT Mustang with tons of Shelby bits. Maybe not current GT Mustang fast, but still, it was impressive. Grip is far better than in any Camaro I've ever driven too, but I couldn't get too crazy with the salesman there.
What I didn't like, I still wasn't wild about the steering feel, and it seemed HUGE when you drove it. Hopefully it would shrink around you with enough time in the seat. Outward visibility is also not a strong suit, and the interior is typical low rent GM. For sure the higher end ones were much nicer however.
All in all though it was an impressive car, especially for the money. And unlike some other brands, they seemed anxious to deal on these, especially the 4cyl cars. In the end I think I'd prefer something else, but it was enough to maybe change my impression of GM, and this from a decidedly not GM guy.
Also remember that GM has been GREAT supporting people playing on track with their cars as of late. That means something to me.
I see new 4 cylinder Camaro LTs on Autotrader for less than $20k. Some down to the $18k range. Impressive.
On the ATS front. Have they changed them much since they came out? Wonder if the camaro control arms etc fit/screw up the geometry, or if the camaro performance packages would bolt up
dculberson said:I see new 4 cylinder Camaro LTs on Autotrader for less than $20k. Some down to the $18k range. Impressive.
Yup. I see several for $19.5k. A new base Civic stickers at $19.6k. Apples to oranges, but still.
In reply to racerdave600 :
Was the car a manual?
Ian F said:In reply to racerdave600 :
Was the car a manual?
Yes, they had several manuals in stock, although none how I would have checked off on the options box. I could have walked off with the one I drove for around $24k plus taxes, etc. List was close to $29k.
Sort of completely unrelated, but kind of related because One Lap has a truck class. A single cab 6.5 foot box F-150 with a 5.0 and just a few options (LSD, hitch, cruise) is within a couple hundred dollars of what my ideal Camaro build is. All the power and none of the chassis vs. all of the chassis and much less power.
This is what I do while waiting to leave for the Challenge. I'm useless.
the general fundamental issue with trucks is the weight distribution and the inability to really move more of it to the back right?
dculberson said:I see new 4 cylinder Camaro LTs on Autotrader for less than $20k. Some down to the $18k range. Impressive.
The Internet Sales Manager at the local dealership is VERY interested in selling one to me. I have a feeling that "four cylinder Camaro" is selling like whatever the opposite of hotcakes is.
The problem that I anticipate is that I don't want all of the extra crap that dealerships usually pad in to raise the MSRP. Not (just) because I don't want to spend the money, but I genuinely am not interested in color-matched floor mat accents or carbon fiber trim or 50th anniversary packages or whatnot. Especially floor mats. Those are the first thing I rip out of a car and throw away when I buy one. (I noticed last week that the car I bought in late 2014 and spent 45,000mi in has woodgrain accents on the dashboard and a woodgrain shift knob. I simply don't notice or care about that kind of crap)
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