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Search: Posts Made By: ZDan
Forum: Other Vehicles & General Automotive Discussions 11-06-2025, 09:49 PM
Replies: 8
Views: 171
Posted By ZDan
I mean really, this looks laughably,...

I mean really, this looks laughably, embarrassingly bad. Swollen overhung front, super-extended wheelbase, pinched profile. YUK.
Forum: Other Vehicles & General Automotive Discussions 11-06-2025, 09:29 PM
Replies: 8
Views: 171
Posted By ZDan
Make a 3-door shooting-brake version and I might...

Make a 3-door shooting-brake version and I might be interested...
Forum: Other Vehicles & General Automotive Discussions 11-06-2025, 09:25 PM
Replies: 8
Views: 171
Posted By ZDan
It's big, it's heavy, it's ugly. That's no...

It's big, it's heavy, it's ugly. That's no Prelude...

To my eye, there is something particularly ugly about fwd 2-door 2+2 coupes with fast(ish)backs. It looks awkward as hell as you've got all...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 10-28-2025, 09:29 PM
Replies: 11
Views: 464
Posted By ZDan
CSG pads are fantastic, but bring $$$... GREAT...

CSG pads are fantastic, but bring $$$... GREAT bite and very consistent, cold/hot. IMO very streetable. Some noise and dust, but not nearly as bad as most. And they last a LONG time. I get 1.5x...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 10-22-2025, 12:27 PM
Replies: 5
Views: 406
Posted By ZDan
F/R toe looks fine. 0 front, OK. 0.7mm total(?)...

F/R toe looks fine. 0 front, OK. 0.7mm total(?) rear = 0.06 degrees total, cool. Even 0.7mm per side would be 0.12 degrees, also fine. Generally I'd say 0 to 0.15 degrees total rear toe has...
Forum: FR-S / BRZ vs.... 08-22-2025, 01:50 AM
Replies: 24
Views: 6,654
Posted By ZDan
54/46 weight distribution for the 86, vs. 49/51...

54/46 weight distribution for the 86, vs. 49/51 for the S2000. That is a huge difference in rear grip off the line and IMO a way more important factor than any supposed suspension geometry issues.
...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 08-06-2025, 10:07 PM
Replies: 9
Views: 740
Posted By ZDan
I don't really think it's critical to have more...

I don't really think it's critical to have more front camber than rear. For handling balance during hard cornering, it *is* important to have a decent amount of front camber, but there are other...
Forum: BRZ Second-Gen (2022+) — General Topics 07-16-2025, 04:30 PM
Replies: 15
Views: 3,931
Posted By ZDan
My thoughts: Yeah, the hood moves around quite a...

My thoughts: Yeah, the hood moves around quite a bit. But it's not going anywhere. So don't worry about it...
Forum: Tracking / Autocross / HPDE / Drifting 07-11-2025, 04:49 AM
Replies: 22
Views: 2,573
Posted By ZDan
No, not at all. Open all the time at the track...

No, not at all. Open all the time at the track means that if oil level is at normal "full" level at nominal pressure (say 60 psi) you have 1.5 quarts (ish) in reserve if (when) pressure drops due to...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-09-2025, 05:24 PM
Replies: 10
Views: 1,389
Posted By ZDan
Pics of 225/45-17 A052s on 17x9 +37 wheels. Car...

Pics of 225/45-17 A052s on 17x9 +37 wheels. Car at ~325mm hub to fender lip, on RCE SS-2 coilovers, -3.5 front camber, -2.8 rear. All factory control arms.
Forum: Tracking / Autocross / HPDE / Drifting 07-09-2025, 02:48 PM
Replies: 3
Views: 802
Posted By ZDan
revert to stock susp. to shed weight for class?

Currently on RCE SS-2 coilovers with 7 kg/mm front 9 kg/mm rear springs. Given ever-escalating "performance points" applied to FT86 in my time-trialing club COMSCC (thanks a lot, *me*!!), I'm...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-07-2025, 08:59 AM
Replies: 10
Views: 1,389
Posted By ZDan
I'd want at leas 9" wide to run 245s. FWIW I'm...

I'd want at leas 9" wide to run 245s. FWIW I'm running 17x9 +37 with 225/45-17 Yokohama A052s. The Yoks are great in the dry, and when newish with some tread depth are *outstanding* in the wet.
...
Forum: Tracking / Autocross / HPDE / Drifting 07-07-2025, 08:49 AM
Replies: 22
Views: 2,573
Posted By ZDan
You can run with the valve open all the time on...

You can run with the valve open all the time on the track. I've done it before on LS3 FD when the pressure switch quit working (apparently not uncommon). I would rather the accumulator...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-02-2025, 12:25 PM
Replies: 4
Views: 808
Posted By ZDan
Exactly, I've been friends with the owner for...

Exactly, I've been friends with the owner for over 10 years now, from tracking together with the same club (COMSCC). They do a lot of work on dedicated race cars and street/track cars. Employees...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-02-2025, 12:19 PM
Replies: 4
Views: 808
Posted By ZDan
It was just off the truck at the dealer when I...

It was just off the truck at the dealer when I test drove it, plunked down $500 on the spot and picked it up 2 days later :) So I don't *think* any collisions...

My 1st-gen was off in the other...
Forum: Tracking / Autocross / HPDE / Drifting 06-29-2025, 07:57 AM
Replies: 22
Views: 2,573
Posted By ZDan
P1V1 *should* = P2V2. I doubt the dipstick scale...

P1V1 *should* = P2V2. I doubt the dipstick scale is linear...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 06-28-2025, 08:35 AM
Replies: 4
Views: 808
Posted By ZDan
asymmetric front camber *fixed*

With RCE SS-2 coilovers, I was only able to get just over -2 degrees left front camber, while on the right a lot more available. With camber bolts at the left front strut, still was only able to get...
Forum: Tracking / Autocross / HPDE / Drifting 06-25-2025, 10:33 AM
Replies: 22
Views: 2,573
Posted By ZDan
Accusump oil level?

Successfully installed Accusump, thanks Ansix Auto!

I may have overfilled though, I'm seeing +1/4 quart overfill at 100psi and +1.25 qt overfilled at 20psi! OK to track or not? Kind of assuming...
Forum: Tracking / Autocross / HPDE / Drifting 05-07-2025, 08:03 PM
Replies: 8
Views: 887
Posted By ZDan
Um, I had a similar issue, chased "fuel...

Um, I had a similar issue, chased "fuel starvation", installed flapper valve, no joy. turns out the tune cut power if oil temp went above 275F! Dam... So yeah, check with tuner...
Forum: BRZ First-Gen (2012+) — General Topics 04-17-2025, 07:57 PM
Replies: 28
Views: 10,813
Posted By ZDan
Yeah, just got polyurethane suspension bushings...

Yeah, just got polyurethane suspension bushings for it, see if that brings desired lap times. Even with Xida race coilovers, the ND with factory bushings has noticeable lateral squirminess in the...
Forum: BRZ First-Gen (2012+) — General Topics 04-11-2025, 12:46 PM
Replies: 28
Views: 10,813
Posted By ZDan
Power bump in ‘17 was from header with larger...

Power bump in ‘17 was from header with larger primaries, not the super-bitchin red intake which was 100% the reason I bought new in 2017!
Anyway, I have the factory header and overpipe from that car...
Forum: BRZ First-Gen (2012+) — General Topics 04-04-2025, 08:53 AM
Replies: 28
Views: 10,813
Posted By ZDan
"Headers and tune" on a 1st gen won't get...

"Headers and tune" on a 1st gen won't get remotely close to a 2nd gen. I had ACE-350 header and well-developed tune on my '17 BRZ PP. My stock-power '23 is +5mph faster on the straight every track...
Forum: Tracking / Autocross / HPDE / Drifting 02-20-2025, 03:18 PM
Replies: 9
Views: 3,194
Posted By ZDan
Aluminum has 1/3 the elastic modulus of steel,...

Aluminum has 1/3 the elastic modulus of steel, but you make up for it by making it significantly thicker-walled. Larger OD with 2x wall thickness and you easily get the same stiffness with less...
Forum: Engine, Exhaust, Transmission 02-20-2025, 02:55 PM
Replies: 84
Views: 21,083
Posted By ZDan
You might check with Inland Empire Driveline. A...

You might check with Inland Empire Driveline. A few years back the driveshaft on my LS3 RX-7 broke, and they were able to make a custom one for me in pretty short order. Also they specifically...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 12-11-2024, 10:39 AM
Replies: 358
Views: 178,371
Posted By ZDan
Meh, I never had issues in the snow running track...

Meh, I never had issues in the snow running track alignment (-3.3 front/-2.8 rear camber, zero toe all around) on winter tires in snow. I sometimes reduce front down to -2.5 cuz easy to do but...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 12-01-2024, 04:47 AM
Replies: 358
Views: 178,371
Posted By ZDan
No amount of suspension mod will give you more...

No amount of suspension mod will give you more grip. Surprising that the Michelins are that bad, but then again the one time I've had traction issues it was down to Michelin tires going "off", to an...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 11-30-2024, 12:18 PM
Replies: 358
Views: 178,371
Posted By ZDan
Sounds like a tire issue to me, I don't think any...

Sounds like a tire issue to me, I don't think any ant-squat geometry will help you if there is so little grip. What specific make/model snow tires?
Forum: BRZ Second-Gen (2022+) — General Topics 11-04-2024, 07:27 PM
Replies: 8
Views: 3,549
Posted By ZDan
What you want at the track is *balance*. Car was...

What you want at the track is *balance*. Car was set up to be neutral, but some tracks (like Thompson CT) are kinda "understeery" while others (like NHMS NH) are kinda "oversteery".

In any case,...
Forum: BRZ Second-Gen (2022+) — General Topics 11-04-2024, 07:47 AM
Replies: 8
Views: 3,549
Posted By ZDan
215/40-18 fronts with 225/40-18 rear is not going...

215/40-18 fronts with 225/40-18 rear is not going to be a problem at all...


On my 1st-gen I ran 235/45-17 fronts with 245/40-17 rear A052s at the track, and also swapped them and ran 245 fronts...
Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86) 10-30-2024, 05:43 PM
Replies: 8
Views: 5,067
Posted By ZDan
I would not bet against the OEM header for power....

I would not bet against the OEM header for power. But for midrange, losing the 1st cat and going 4-2-1 with long 2-1 tubes should gain you some midrange. But honestly $$$ might be better spent...
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