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Suspension | Chassis | Brakes -- Sponsored by 949 Racing Relating to suspension, chassis, and brakes. Sponsored by 949 Racing.


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Old 01-04-2014, 05:00 PM   #575
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Is the motorsport line available for the 86?

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Old 01-04-2014, 05:47 PM   #576
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Is the motorsport line available for the 86?
As far as I know, ye$$$$$.
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Old 01-04-2014, 06:09 PM   #577
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What is the least invasive way of reducing/eliminating wheel hop on the BRZ I want to keep the car as stock as possible.
Where and how are you suffering wheel hop?
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Old 01-04-2014, 06:18 PM   #578
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usually launching on damp pavement, It's not a major problem as I rarely launch the car, but did note that the wheel hop can be quite violent on this car when it happens.
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Old 01-05-2014, 11:07 AM   #579
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@Racecomp Engineering

What spring rates do you recommend as a default for the Tarmac 2s versus the KW Clubsports, and what increase in spring rates (if any) would you recommmend for the Tarmac 2s based on, say;

a) Mixed street & casual track, extreme performance summer street tires
b) Mixed street & serious/competitive track, club level, extreme performance street tires
c) Mixed street & serious competitive track, club level, R comps/semislicks
d) Serious competitive track work, club level, R comps/semickicks
e) Serious competitive track work, club level, full slicks (aka Hoosier A6 or stickier)

Let's assume aggressive-as-you-like alignment. Ballpark rates would be OK, not trying to steal your setup tricks. Just curious where the 'sweet spot' is on the RCET2s before you'd have to look at custom valving or a higher end shock, as well as what to consider when choosing spring rates.
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Old 01-05-2014, 12:31 PM   #580
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Considering swapping out the rs-r @ultra ?

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Old 01-05-2014, 02:26 PM   #581
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If you don't want to increase NVH, do not do bushings.

Save sway bars for fine tuning the T2 when you get them.
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Old 01-05-2014, 04:17 PM   #582
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For entry coils. Whats the difference between Stance, BC, Fortune, etc?
I'm looking to daily mostly, but still canyon run occasionally. Yet I still want to be lowered. I'm looking into Fortune, but I hear stories that they don't go low enough. Do the Fortune have as much adjustability as BC? I would greatly appreciate help!
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Old 01-05-2014, 04:47 PM   #583
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Considering swapping out the rs-r @ultra ?

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Small world. Answer is maybe; always considering everything.

I like the RS*Rs (6k f / 7k r) and my current alignment (-2.5f/-1.7r) for street + light track duty on street tires (PS2s) but in terms of competition and cold hard lap times I'm genuinely curious about the relative merits of switching to stiffer springs and dampers, assuming that I'd be running R compound tires (RC1s) and a more aggressive alignment (-3f/-2r).

Might be overkill think on my part but when these kinds of questions come up, guys like @Racecomp Engineering and @CSG Mike are the only peeps I know of who can answer them.


Should also mention that JRZ RS money would be the absolute max I'd be willing to spend. Preferrably less. Hypothetically.
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Old 01-05-2014, 06:07 PM   #584
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Small world. Answer is maybe; always considering everything.

I like the RS*Rs (6k f / 7k r) and my current alignment (-2.5f/-1.7r) for street + light track duty on street tires (PS2s) but in terms of competition and cold hard lap times I'm genuinely curious about the relative merits of switching to stiffer springs and dampers, assuming that I'd be running R compound tires (RC1s) and a more aggressive alignment (-3f/-2r).

Might be overkill think on my part but when these kinds of questions come up, guys like @Racecomp Engineering and @CSG Mike are the only peeps I know of who can answer them.


Should also mention that JRZ RS money would be the absolute max I'd be willing to spend. Preferrably less. Hypothetically.
I say if you cannot find anything drastically wrong or bad with your current set up and you are content with the performance, just stick with what you have. If you are left wanting better suspension... then that's a different story. Just know that if you spend 2x the amount on the next set of dampers it's not likely going to be 2x better. Or pick up a set of SRC's from Mike when they start selling them. Give you some time to think about it since they have not finalized their tuned SRCs.
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Old 01-05-2014, 06:23 PM   #585
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I say if you cannot find anything drastically wrong or bad with your current set up and you are content with the performance, just stick with what you have. If you are left wanting better suspension... then that's a different story. Just know that if you spend 2x the amount on the next set of dampers it's not likely going to be 2x better. Or pick up a set of SRC's from Mike when they start selling them. Give you some time to think about it since they have not finalized their tuned SRCs.

Just want:
- More grip (higher cornering speeds)
- Lower lap times
- Less steady state understeer at the limit (more front grip)
- Less lift off oversteer (no trouble catching & balancing it but it slows me down a bit)

aaand local time attack doesn't allow aero mods in the class I'm targeting (go figure) so not going there.

I'm going to try out the more aggressive alignment and some tire pressure tweaks next time out. Will see how that it works. Then worry about tires ($$) then different suspension ($$$). No big rush, just trying to think ahead a bit.

But yes, you are most probably right. Those last few tenths are always the most expensive; it may or may not be worth chasing after them.
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Old 01-05-2014, 06:47 PM   #586
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Just want:
- More grip (higher cornering speeds)
- Balance the car better (eliminate the steady state understeer you mentioned
- Lower lap times
Comes with better balance, theoretically. It matters more on your driving preferences
- Less steady state understeer at the limit (more front grip)
- Try a stiffer rear sway setting, softer front sway setting, or a slightly higher rear spring rate, or a slightly softer front spring rate
- Less lift off oversteer (no trouble catching & balancing it but it slows me down a bit)
- Eliminate bump steer, and it'll mitigate a lot of this. It'll never completely go away.

aaand local time attack doesn't allow aero mods in the class I'm targeting (go figure) so not going there.

I'm going to try out the more aggressive alignment and some tire pressure tweaks next time out. Will see how that it works. Then worry about tires ($$) then different suspension ($$$). No big rush, just trying to think ahead a bit.

But yes, you are most probably right. Those last few tenths are always the most expensive; it may or may not be worth chasing after them.
Your solutions in bold above
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Old 01-05-2014, 06:52 PM   #587
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Thanks once again @CSG Mike

(already have a Whiteline bumpsteer kit in the mail, will tweak the rest out & hopefully learn to drive like you or maxrev).
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Old 01-05-2014, 07:29 PM   #588
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Thanks once again @CSG Mike

(already have a Whiteline bumpsteer kit in the mail, will tweak the rest out & hopefully learn to drive like you or maxrev).
Last resort, if you want to experiment, try bumping the compression by 1 in the rear. It's a temporary band-aid fix to the lack of steady state rotation, not a real fix.
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