Race Tracking Your Supra - Information exchange

[STi_to_GRzupra]

I loved these:

https://1fastsupra.com/products/verus-front-camber-plate-assembly-mk5-toyota-supra

I have adjustable control arms now but these are easier for an alignment shop to adjust & served me well.

Any reasons why you changed to adj. control arms?

Did you notice and increase in noise level?

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[FLtrackdays]

Any reasons why you changed to adj. control arms?

Did you notice and increase in noise level?

I was buying the whole SPL catalog of suspension parts and figured what the hell, why not the control arms too. Dumb reason, but to be completely honest. Found out later from the BMW race guys that I can dial in more negative camber up front. Which I’ll do next season. I’d like to run -3 up front, maybe even more. We’ll see.

I hear more noises but only when pulling in/out of my garage. My catless downpipe and AWE track exhaust won’t allow me to hear anything else ? ? ?

 

[STi_to_GRzupra]

I was buying the whole SPL catalog of suspension parts and figured what the hell, why not the control arms too. Dumb reason, but to be completely honest. Found out later from the BMW race guys that I can dial in more negative camber up front. Which I’ll do next season. I’d like to run -3 up front, maybe even more. We’ll see.

I hear more noises but only when pulling in/out of my garage. My catless downpipe and AWE track exhaust won’t allow me to hear anything else ? ? ?

Perfect, I’m leaning more towards the camber plate because it looks easier to adjust, and don’t know of a good alignment shop here in Orlando.

 

[kaj]

, I’m leaning more towards the camber plate because it looks easier to adjust,

.....,? Oh .... You'll see.....

 

[STi_to_GRzupra]

.....,? Oh .... You'll see.....

? so that’s a No?

SPL control arms are easier to adjust?

 

[kaj]

? so that’s a No?

SPL control arms are easier to adjust?

Well ...if you have coilovers and are going to max the plates, anyway, then it's fine because you can set them before you bolt them up to the car.
Adjusting them after they are on the car pretty much requires cutting the strut tower with a hole saw to open it up in order to get tools in. When I installed mine, I didn't have all the stuff I needed, so I ended up just cutting down an allen wrench to fit in there and tighten it with my fingertips lol
Don't get me wrong. It's worth it, just not all that easy. The arms are going to be far easier to get to.

 

[Driver608]

Adding one from AX, you can get air there too. Don't have any good track ones yet.

 

[razorlab]

Well ...if you have coilovers and are going to max the plates, anyway, then it's fine because you can set them before you bolt them up to the car.
Adjusting them after they are on the car pretty much requires cutting the strut tower with a hole saw to open it up in order to get tools in. When I installed mine, I didn't have all the stuff I needed, so I ended up just cutting down an allen wrench to fit in there and tighten it with my fingertips lol
Don't get me wrong. It's worth it, just not all that easy. The arms are going to be far easier to get to.

Huh? You are using the wrong tools my man. No reason to cut the tops of the towers.

Use this:

I use that and have no issues getting to these to loosen and adjust:

 

[FLtrackdays]

? so that’s a No?

SPL control arms are easier to adjust?

As you can see, no absolute right or wrong. Just better for some and depending on what you want to do. Being in Orlando, there are many race shops near you. For me, OEM top hats and Ohlins were an easier/quicker install between track weekends.

Both those guys above have gobs of track day experience. I’d invest in that 1st (seat time). This car doesn’t need a lot. The majority of my seat time was correcting stupid mistakes I did along the way.… Bottom line, camber plates are a great way to go with the OEM suspension. But if you want even more than -2.5 camber, go with adjustable control arms. Bryan would know best.

The drag guys have zrk. We really should take advantage of Razorlab (Bryan) if he doesn’t mind all the stupid questions ? Most of those come from me, btw ?

 

[Islindur]

What spring rates are you guys running for track setups with aero?
Wing + a splitter in the future, prob Verus both. But I wanna do coils end of a year, prob Ohlins R&T with higher spring rates + revalve, since I have Ohlins shop near by who can take care of it fully with rebuilds etc.
I was thinking sth about 700 front/1100 rear (divorced) + eibach sways atm both soft.

Any advice?

 

[Eyelise]

I thought I'd report back on the Eibach front sway bar. I was at Club Motorsports NH yesterday and spent the day lapping working on the line and driver with an instructor. The weather was great lots of grip not too hot. I'll start by saying my driving is improving steadily. Just getting back to the track after quite a hiatus so still quite slow but I managed to knock off 5 sec/lap 2:03 to 1:58. I'm not really pushing it and can see tons of time all over the track.

Now for the bar. On the street in the middle setting it has basically eliminated most of the OEM body roll. This is without the rear bar!!!! On the track it definitely reduced the body movement but the effect is not as pronounced. I was pleased to find very little understeer and actually experience two episodes of easily correctable oversteer. The oversteer was definitely associated with aggressive application of power on corner exit. Keep in mind I am on PSSs, in Sport and Traction modes. I also left the rear tires 1-2psi higher than the front assuming the car was going to understeer everywhere. Anyway as far as lap times, 5s faster than my best. Now I know that likely has little to do with the sway bar and everything to do with the instruction and becoming more confident with the car, but I like the way the car is handling right now. Just my experience so far.

 

[razorlab]

I thought I'd report back on the Eibach front sway bar. I was at Club Motorsports NH yesterday and spent the day lapping working on the line and driver with an instructor. The weather was great lots of grip not too hot. I'll start by saying my driving is improving steadily. Just getting back to the track after quite a hiatus so still quite slow but I managed to knock off 5 sec/lap 2:03 to 1:58. I'm not really pushing it and can see tons of time all over the track.

Now for the bar. On the street in the middle setting it has basically eliminated most of the OEM body roll. This is without the rear bar!!!! On the track it definitely reduced the body movement but the effect is not as pronounced. I was pleased to find very little understeer and actually experience two episodes of easily correctable oversteer. The oversteer was definitely associated with aggressive application of power on corner exit. Keep in mind I am on PSSs, in Sport and Traction modes. I also left the rear tires 1-2psi higher than the front assuming the car was going to understeer everywhere. Anyway as far as lap times, 5s faster than my best. Now I know that likely has little to do with the sway bar and everything to do with the instruction and becoming more confident with the car, but I like the way the car is handling right now. Just my experience so far.

I thought the internetz said only a front bar was a bad idea and would turn the car into a snow plow? ?

Signed,
- only front bar crew

 

[Eyelise]

I know Bryan right? Anyway now there is a hold on the rear bar and the next step will be to add the camber plates and eventually 200TW tires when the PSSs are toast. My impression may change as my lap times improve but let's see first.

Only front bar crew (2)

 

[razorlab]

What spring rates are you guys running for track setups with aero?
Wing + a splitter in the future, prob Verus both. But I wanna do coils end of a year, prob Ohlins R&T with higher spring rates + revalve, since I have Ohlins shop near by who can take care of it fully with rebuilds etc.
I was thinking sth about 700 front/1100 rear (divorced) + eibach sways atm both soft.

Any advice?

This is going to be very dependent on how you like your cars setup but I can share what has been working for me. I prefer a more neutral car that isn’t setup to be oversteery.

I have the Verus spoiler, front canards and front splitter (not high DF version) I run 650lb rates front and 600lb rear (true coilover) so a little more rate in the rear than what you stated. This setup has worked well for about seven events this year as I got used to the aero. However, now that I am more comfortable with the aero the car has become slightly too pushy for me. I’m most likely going to go to 650 or 700 in the rear and see how it feels.

All last year on stock power and no aero I ran 550f/500r

 

[razorlab]

I know Brian right? Anyway now there is a hold on the rear bar and the next step will be to add the camber plates and eventually 200TW tires when the PSSs are toast. My impression may change as my lap times improve but let's see first.

Once you get more negative camber in front and go square tires with more grip on the front the rear will tend to be more over steery so you will probably want to reverse your tire pressure strategy at that point.

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