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Search: Posts Made By: ZDan
Forum: Tracking / Autocross / HPDE / Drifting Yesterday, 09:33 AM
Replies: 14
Views: 315
Posted By ZDan
For ability to maintain control while...

For ability to maintain control while slipping/sliding, A052, *especially* in the WET (at least with some tread depth)! They are just amazing, all others I have tried have fallen way short. In...
Forum: Tracking / Autocross / HPDE / Drifting Yesterday, 09:23 AM
Replies: 22
Views: 910
Posted By ZDan
Assuming a semi-decent setup (some suspension...

Assuming a semi-decent setup (some suspension stiffness, some front camber, minimal toe-in), the A052's reputation as only lasting for 3 laps and only for a few days does not seem warranted to me.
...
Forum: Tracking / Autocross / HPDE / Drifting 09-24-2024, 08:51 PM
Replies: 22
Views: 910
Posted By ZDan
In my experience, if overdriving A052s I can find...

In my experience, if overdriving A052s I can find myself running out of grip after a handful of laps. But driving at 9.8/10ths instead of 11/10ths, I've found I can do LONG stints without losing...
Forum: Tracking / Autocross / HPDE / Drifting 09-22-2024, 04:25 AM
Replies: 22
Views: 910
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: GR86 General Topics (2nd Gen 2022+ Toyota 86) 09-12-2024, 02:01 PM
Replies: 3
Views: 1,321
Posted By ZDan
The red-painted aluminum intake is sweeeet... I...

The red-painted aluminum intake is sweeeet... I was fine at the dealership until I popped the hood on my dearly departed '17, this intake as much as anything did it for me! Must HAS!
Forum: Tracking / Autocross / HPDE / Drifting 09-10-2024, 05:55 PM
Replies: 87
Views: 3,757
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: 3,757
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, 03:26 PM
Replies: 87
Views: 3,757
Posted By ZDan
A bit on the high side, I'm about 1" lower all...

A bit on the high side, I'm about 1" lower all around. That said, *if* you are bottoming the outside front you might need to run higher...

You might run it as it is and assess the handling...
Forum: Tracking / Autocross / HPDE / Drifting 09-06-2024, 11:21 AM
Replies: 0
Views: 318
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, 03:41 PM
Replies: 87
Views: 3,757
Posted By ZDan
You went to the right place! Those guys are da...

You went to the right place! Those guys are da best...

Are you in COMSCC? Come to NHMS next month!
Forum: Tracking / Autocross / HPDE / Drifting 09-05-2024, 09:47 AM
Replies: 87
Views: 3,757
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: 3,757
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: 3,757
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: 3,757
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: 1,321
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: 3,757
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: 3,757
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: GR86 General Topics (2nd Gen 2022+ Toyota 86) 07-16-2024, 08:53 AM
Replies: 11
Views: 1,643
Posted By ZDan
That AMG is a *pig* of a car. Lightweight =...

That AMG is a *pig* of a car.

Lightweight = better sports car.
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-12-2024, 05:25 PM
Replies: 22
Views: 7,599
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 06-14-2024, 07:56 PM
Replies: 15
Views: 1,691
Posted By ZDan
Yeah, already thinking about something like...

Yeah, already thinking about something like that...
Forum: Other Vehicles & General Automotive Discussions 06-14-2024, 09:34 AM
Replies: 15
Views: 1,691
Posted By ZDan
Worth noting: The steering is very good, on par...

Worth noting:
The steering is very good, on par with the gen1 BRZ and much better than the gen2 BRZ which feels artificially heavy and has weird stictiony feel. Also, fuel mileage is amazeballs,...
Forum: Other Vehicles & General Automotive Discussions 06-11-2024, 11:16 PM
Replies: 15
Views: 1,691
Posted By ZDan
I described the handling weirdness over on the...

I described the handling weirdness over on the Miata forum, and first reply was: "Spot on evaluation! That's just how the stock suspension is setup and feels like."

Looking forward to coilovers,...
Forum: Other Vehicles & General Automotive Discussions 06-11-2024, 07:46 AM
Replies: 15
Views: 1,691
Posted By ZDan
Meh, wasn't too worried about them, prolly saved...

Meh, wasn't too worried about them, prolly saved me a couple hundred bucks...
I've driven at extremely ludicrous speeds in standing water at the track on way slicker tires, it did rain a little bit...
Forum: Other Vehicles & General Automotive Discussions 06-10-2024, 08:37 AM
Replies: 15
Views: 1,691
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: 1,691
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: 1,691
Posted By ZDan
ND2 RF!

New used car...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 06-06-2024, 04:03 PM
Replies: 20
Views: 3,670
Posted By ZDan
To be clear, you can have the car perfectly even...

To be clear, you can have the car perfectly even at all four corners, and still be off on crossweights. Also, you can have wack ride heights left/right and/or front/back, and get *even*...
Forum: Tracking / Autocross / HPDE / Drifting 06-06-2024, 02:18 PM
Replies: 2
Views: 595
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: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 05-28-2024, 02:15 PM
Replies: 9
Views: 2,009
Posted By ZDan
You might confirm which way the car zigs when on...

You might confirm which way the car zigs when on the gas, and which way it zags when off the gas, and then swap the rear tires left/right and see if it behaves the same way or the opposite (i.e. zig...
Forum: Issues | Warranty | Recalls / TSB 05-22-2024, 04:20 AM
Replies: 28
Views: 4,889
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...
Showing results 1 to 30 of 500

 
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