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Search: Posts Made By: ZDan
Forum: Tracking / Autocross / HPDE / Drifting 09-22-2024, 04:25 AM
Replies: 22
Views: 875
Posted By ZDan
Me and two frenz ran 255 A052s on an S2000 for...

Me and two frenz ran 255 A052s on an S2000 for two 3-hour endurance races earlier this year. I set the fastest lap of the event on the 100th lap on day one. They lasted the event no prob! I...
Forum: Tracking / Autocross / HPDE / Drifting 09-10-2024, 05:55 PM
Replies: 87
Views: 3,736
Posted By ZDan
So be aware that with the SS plates you will...

So be aware that with the SS plates you will likely lose some front camber as the strut protrudes up above the interface with the srut tower.
My car is kinda asymmetric, I was only able to get -3.2...
Forum: Tracking / Autocross / HPDE / Drifting 09-10-2024, 08:11 AM
Replies: 87
Views: 3,736
Posted By ZDan
If raising the car a bit significantly improved...

If raising the car a bit significantly improved front grip, I'm still *guessing* (even more so) it was more of a front bump travel issue!

Raising the front of the car raises front roll center,...
Forum: Tracking / Autocross / HPDE / Drifting 09-06-2024, 11:21 AM
Replies: 0
Views: 317
Posted By ZDan
How I found 2.5s at Watkins Glen

GREAT event at Watkins Glen with COMSCC last week! I was drivin my new-to-me '22 Mazda MX-5 RF (aka "Miata"). Was working my *arse* off but best times were in the 2:16.8x range, 3s off my best lap...
Forum: Tracking / Autocross / HPDE / Drifting 09-05-2024, 09:47 AM
Replies: 87
Views: 3,736
Posted By ZDan
Going from 15mm to 16mm rear bar (29% stiffer)...

Going from 15mm to 16mm rear bar (29% stiffer) isn't going to hurt anything and is just about the easiest/cheapest thing to do. Also not likely to help if the issue is really front bump travel and...
Forum: Tracking / Autocross / HPDE / Drifting 09-05-2024, 09:08 AM
Replies: 87
Views: 3,736
Posted By ZDan
If you've been bottoming out the front, IMO that...

If you've been bottoming out the front, IMO that is most of your understeer problem. I'm guessing the Tarmac 2s might have less front bump travel than RCE SS-2 I'm running. I'm at 330F/335R ride...
Forum: Tracking / Autocross / HPDE / Drifting 08-28-2024, 11:57 PM
Replies: 87
Views: 3,736
Posted By ZDan
FWIW the few times I've installed coilovers,...

FWIW the few times I've installed coilovers, measuring to ensure same left/right free lengths (i.e. same amount of thread showing) while setting ride height, I've wound up within 1% of 50/50...
Forum: Tracking / Autocross / HPDE / Drifting 08-21-2024, 04:29 AM
Replies: 87
Views: 3,736
Posted By ZDan
Akshually... Wheel rate (what matters) is...

Akshually...

Wheel rate (what matters) is spring rate x motion ratio *squared*, so with 9 kg/mm springs in back, wheel rate is 9 kg/mm * (0.75)^2 = 5 kg/mm

I don't get why so many suppliers...
Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86) 08-20-2024, 09:40 PM
Replies: 3
Views: 1,270
Posted By ZDan
Definitely robot face, reminds me of that...

Definitely robot face, reminds me of that "clamps" robot on Futurama!
Forum: Tracking / Autocross / HPDE / Drifting 08-20-2024, 11:04 AM
Replies: 87
Views: 3,736
Posted By ZDan
Oh yeah, caveat: I'm not an autocross guy... ...

Oh yeah, caveat: I'm not an autocross guy...

"lots of toe in, in the rear," ewwwwww....
Lots of rear toe-in has *always* sucked for me on every car I've intentionally or inadvertently tried it...
Forum: Tracking / Autocross / HPDE / Drifting 08-19-2024, 11:58 PM
Replies: 87
Views: 3,736
Posted By ZDan
1st thing I'd do is swap the stock front sway bar...

1st thing I'd do is swap the stock front sway bar back in. Stiffer rear springs after that.

I'm running 7k front with 9k rear RCE SS-2 on my '23 BRZ with stock sways. It is admirably neutral,...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-12-2024, 05:25 PM
Replies: 22
Views: 7,595
Posted By ZDan
Won my time trial class with COMSCC last year on...

Won my time trial class with COMSCC last year on SS2. Sweeet... I did run 9k rear springs due to paranoia about understeer I had with the gen-1 BRZ, but honestly I think that was more to do with...
Forum: Other Vehicles & General Automotive Discussions 06-10-2024, 08:37 AM
Replies: 15
Views: 1,681
Posted By ZDan
I gotta sell either the BRZ or ND2, idea is to...

I gotta sell either the BRZ or ND2, idea is to try both on street and track and keep the one I like best! Fully expect the ND2 to be slower at the track, but I really miss driving a smaller...
Forum: Other Vehicles & General Automotive Discussions 06-10-2024, 08:21 AM
Replies: 15
Views: 1,681
Posted By ZDan
Car is gawgeous! Super lightweight compared to...

Car is gawgeous! Super lightweight compared to FT86. Seats are kinda CRAP tho! Gonna hafta get 3-point compatible racing seat (Cobra Nogaro?). Planning on coilovers anyway, but stock suspension...
Forum: Other Vehicles & General Automotive Discussions 06-07-2024, 11:40 PM
Replies: 15
Views: 1,681
Posted By ZDan
ND2 RF!

New used car...
Forum: Tracking / Autocross / HPDE / Drifting 06-06-2024, 02:18 PM
Replies: 2
Views: 593
Posted By ZDan
FWIW I set fastest race lap at Thompson CT...

FWIW I set fastest race lap at Thompson CT running this be-winged AP1 S2000 on 4x 255/35-18 A052s last weekend at 1:21.165. Last year in my mostly-stock '23 BRZ, with RCE SS-2 coilovers and...
Forum: Issues | Warranty | Recalls / TSB 05-22-2024, 04:20 AM
Replies: 28
Views: 4,869
Posted By ZDan
Yeah, factory wheel studs *and* nuts are...

Yeah, factory wheel studs *and* nuts are horrifically bad. They *will* bugger up and ruin your day. On the old car ('17) I had gone to ARP studs but stupidly kept using the factory nuts. Sure...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 05-06-2024, 06:22 PM
Replies: 9
Views: 2,006
Posted By ZDan
What are your tire pressures? What you describe...

What are your tire pressures? What you describe is how a Torsen diff behaves when you have rear tires of different diameter, or one is at lower pressure.
Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86) 04-13-2024, 03:16 PM
Replies: 26
Views: 6,553
Posted By ZDan
I swapped over the spare from my '17 PP along...

I swapped over the spare from my '17 PP along with the styrofoam bits, all fits :)
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 04-04-2024, 01:48 PM
Replies: 159
Views: 44,520
Posted By ZDan
Going to Bilsteins was transformative for my car....

Going to Bilsteins was transformative for my car. *WAY* more front bump travel, went from unliveable to being an absolute pleasure to drive on the street and at the track.
Forum: Other Vehicles & General Automotive Discussions 04-01-2024, 11:39 AM
Replies: 7
Views: 1,291
Posted By ZDan
They wouldn’t modify points once season has begun...

They wouldn’t modify points once season has begun outside of unusual circumstances. As it is, with coilovers and 225 A052s on the BRZ I have to run at 3187 lb. which means full tank +150 lb ballast....
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 03-31-2024, 08:50 AM
Replies: 9
Views: 1,244
Posted By ZDan
Don't need the RCLAs, don't need the "traction...

Don't need the RCLAs, don't need the "traction mod", going higher is bad for track, lower is better. I ran ~4.5 front with ~5.4 rear springs with Bilstein B8s (same damping as B6, just less droop...
Forum: Other Vehicles & General Automotive Discussions 03-30-2024, 01:44 PM
Replies: 7
Views: 1,291
Posted By ZDan
Looking to save a few thousand bucks, so not...

Looking to save a few thousand bucks, so not really considering ND3.



Would get coilovers fer sher…
Forum: BRZ Second-Gen (2022+) -- General Topics 03-28-2024, 02:19 PM
Replies: 31
Views: 9,110
Posted By ZDan
Been there, every time I win my class, my car...

Been there, every time I win my class, my car gets points piled onto it!

Ah, I'll check with the Miata folk which is better route, HardDog or that other more $$$ one. Don't mind spending more if...
Forum: BRZ Second-Gen (2022+) -- General Topics 03-28-2024, 09:03 AM
Replies: 31
Views: 9,110
Posted By ZDan
Yeah, I looked an an RF last year before I bought...

Yeah, I looked an an RF last year before I bought the '23 BRZ. Looks so bad-ass! But more weight, up high, for more $$$. And like you say, with roll bar top no longer drops (not that I care much,...
Forum: BRZ Second-Gen (2022+) -- General Topics 03-26-2024, 11:14 AM
Replies: 31
Views: 9,110
Posted By ZDan
*What* oil cooling issues? My gen-1's oil temp...

*What* oil cooling issues? My gen-1's oil temp always went to 270-275F *indicated*, every session for 5 years, ~50 track days, never went beyond that. 275F indicated oil temp has been correlated to...
Forum: BRZ Second-Gen (2022+) -- General Topics 03-26-2024, 09:30 AM
Replies: 31
Views: 9,110
Posted By ZDan
1st-gen isn't perfect in this regard, but the...

1st-gen isn't perfect in this regard, but the 2nd-gen definitely has an issue with pressure drops under track usage, particularly during right-handers on decently-suspended cars with higher-grip...
Forum: Other Vehicles & General Automotive Discussions 03-04-2024, 07:49 PM
Replies: 2
Views: 1,761
Posted By ZDan
https://www.classicdriver.com/cdn-cgi/image/format...

https://www.classicdriver.com/cdn-cgi/image/format=auto,fit=cover,width=1920,height=1029/sites/default/files/article_images/ee15925ae68c1e56707efd70ba0ecf17335916bd-1.jpg...
Forum: Tracking / Autocross / HPDE / Drifting 02-04-2024, 02:08 PM
Replies: 11
Views: 1,570
Posted By ZDan
I've been using i-Zoom Graphics...

I've been using i-Zoom Graphics (www.izoomgraphics.com) for several years now. I get "reusable vinyl" and it's great, totally reusable multiple times (at least 8 events with some care). The...
Forum: Engine, Exhaust, Transmission 01-16-2024, 09:53 AM
Replies: 53
Views: 22,871
Posted By ZDan
13 feet, that *is* a LONG block!

13 feet, that *is* a LONG block!
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