Front Upper Control Arms...

MaysEffect · 11-07-2017, 12:30 AM

Quote:

Originally Posted by Hotrodz

My r888 setup:
Hot Inflation Pressure: less than 36 psi tire will get squirrelly 36 psi or better.
Camber: -2.26 front -2.00 rear
Caster: 6.5 and I think 7 to 8 would be better

There was another member here running -3.3 front and -1.8 rear with caster at 8 for the same tire. He was running 18x315 and I am running 18x295.

Have you tries 3 degrees with low levels of caster and less rake? and possibly different shock settings.

Hotrodz · 11-07-2017, 07:33 AM

Quote:

Originally Posted by MaysEffect

Have you tries 3 degrees with low levels of caster and less rake? and possibly different shock settings.

No I have not. I am dialing things in slowly. I disconnected my rear sway bar and to help rotate the rear a bit more and so far I like. My next move was to add more negative camber, -2.8 to -3.0 since I don't do much street driving with her anymore. What do you consider low levels of caster?

MaysEffect · 11-07-2017, 01:02 PM

Quote:

Originally Posted by Hotrodz

What do you consider low levels of caster?

5 degrees. I don't think i have any fair bases of suggestions for your situation though, you are well beyond the level of modifications to start making large dynamic changes again. Unless you like doing that...

My point was simply adding both camber and caster is not necessary for this chassis or the scenario of changing the SAI. It doesn't suffer from suspension limitations like some other cars with inferior suspension setups.

8 degrees of caster is up there with rally cars, and RX cars use low levels of camber for better steering linearity and tracking through loose gravel. Something that is not a issue for cars on tarmac.

It also comes down to how anyone adjusts driving techniques for the setup implemented. Caster levels and rake significantly changes steering feel. If you're making modifications to the suspension to alter this, then changing geometry again will just slow you down and cause confusion. If you're not wearing your tires out incorrectly then there really isn't really a reason to flip the script.

Hotrodz · 11-12-2017, 06:48 PM

Quote:

Originally Posted by MaysEffect

5 degrees. I don't think i have any fair bases of suggestions for your situation though, you are well beyond the level of modifications to start making large dynamic changes again. Unless you like doing that...

My point was simply adding both camber and caster is not necessary for this chassis or the scenario of changing the SAI. It doesn't suffer from suspension limitations like some other cars with inferior suspension setups.

8 degrees of caster is up there with rally cars, and RX cars use low levels of camber for better steering linearity and tracking through loose gravel. Something that is not a issue for cars on tarmac.

It also comes down to how anyone adjusts driving techniques for the setup implemented. Caster levels and rake significantly changes steering feel. If you're making modifications to the suspension to alter this, then changing geometry again will just slow you down and cause confusion. If you're not wearing your tires out incorrectly then there really isn't really a reason to flip the script.

Agreed, I am not looking to change much as my tire ware has been good. I'm looking for that balance of grip and handling. Which is a never ending chase lol!

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