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After Some Four Wheel Alignment Settings

mr_rbman
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mr_rbman Grand Master

mr_rbman

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Posted

basically i've just finished installing my hicas lock bar and i need to get a four wheel alignment this week! So i'm basically just after some settings that you guys think will best suit my application!

The car is only ever driven on some weekends and 95% of that driving is in the hills, tyre wear isn't my biggest concern but probably will be a little more when i get some new tires.

any input is really appreciated!

mr_rbman Grand Master

mr_rbman

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what suspension parts do you have? ie what can be adjusted with the set-up you have?

ah, forgot about that stuff.

I have adjustable bush's in my front upper control arms and in my radius rods

Also have adjustable dampener suspension all round, hicas lock, rear sway bar and pineapples if that means anything!

Beer Baron Grand Master

Beer Baron

Posted
Posted

yeah it's about right. i'd go for:

max front castor

2.5 neg (if you can get that much)

front toe out of 1.5mm (very important to get toe you are happy with)

rear toe at 0.00

rear camber around 1 degree

rear sway bar on medium or hard (if adjustable). pinaples set to neutral to start with.

STATUS Grand Master

STATUS

Posted
Posted
yeah it's about right. i'd go for:

max front castor

2.5 neg (if you can get that much)

front toe out of 1.5mm (very important to get toe you are happy with)

rear toe at 0.00

rear camber around 1 degree

rear sway bar on medium or hard (if adjustable). pinaples set to neutral to start with.

I was looking at a few GTR's TAMADA (Tarzan JGTC) had setup for circuit attack and noticed they all ran a couple of mm toe out (rear), i have not tried this on GTR's has anyone here?

He also insisted r32 GTR's run the largest canards to aid in turn-in. Very good read he ended up shaving like 2-3 secs off the best lap time by the end of testing.

Beer Baron Grand Master

Beer Baron

Posted
Posted

I have never run anything on the rear except 0 toe and a tiny bit of toe out (like .5mm). I'm game to try a mill or two.

this guy about has a GTST, so I wouldn't recomend it on that!

as for the canards, I have some for the GTR but have removed them as they were a massive ankle hazard! especially beeing black. but I have some ARC winglets on the way, and they may work best with the carnards back on.

currently the GTR is alligned with:

3 degrees neg

1.8mm toe out (each side)

max castor (cusco rods, at their shortest)

front sway bar on soft

rear 0 toe

1.2 degree neg

rear bar on full hard

and of course no hicas

currently I'm playing with the bump settings on the shocks, then move on to the rebound. THEN i'll do more alignment work. still lots of time to be had I think.

Sydneykid Grand Master

Sydneykid

Posted
Posted
I was looking at a few GTR's TAMADA (Tarzan JGTC) had setup for circuit attack and noticed they all ran a couple of mm toe out (rear), i have not tried this on GTR's has anyone here?

He also insisted r32 GTR's run the largest canards to aid in turn-in. Very good read he ended up shaving like 2-3 secs off the best lap time by the end of testing.

We run toe out on the rear of GTR's only when all other avenues have been tried and it still wants to understeer. That happens occasionally with the Production car, but the Improved Production one has plenty of additional adjustments that the Production Car regs don’t allow. Meaning that I can usually dial out the understeer with the adjustable stabiliser bars.

:D cheers :)

STATUS Grand Master

STATUS

Posted
Posted
We run toe out on the rear of GTR's only when all other avenues have been tried and it still wants to understeer. That happens occasionally with the Production car, but the Improved Production one has plenty of additional adjustments that the Production Car regs don’t allow. Meaning that I can usually dial out the understeer with the adjustable stabiliser bars.

:laugh: cheers :ermm:

yeah same situation faced them on most of the cars he drove.... under under under :D

i could not believe the drop in lap times just from fitting canards...... crazy very good bang for buck.

Sydneykid Grand Master

Sydneykid

Posted
Posted
yeah same situation faced them on most of the cars he drove.... under under under :ermm:

i could not believe the drop in lap times just from fitting canards...... crazy very good bang for buck.

Being a typical aerodynamic device, front canards can help with the high speed understeer, but they do almost nothing for the low speed understeer.

:w00t: cheers :O

STATUS Grand Master

STATUS

Posted
Posted
Being a typical aerodynamic device, front canards can help with the high speed understeer, but they do almost nothing for the low speed understeer.

:D cheers :glare:

yeah for sure, not your best shopping trolley upgrade :laugh:

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