Suspensions and stearing setups

[Mux213]

Abe,

The Cusco should be fine, it should have a positive effect on grip, not a negative effect, so I really doubt this is your problem.

Besides, with understeer you have a grip problem on your front tires so I'm more thinking suspension/tire setup anyways (though I'm no expert). Still your suspension doesn't sound bad at all, can't really imagine why it would be understeering so much, would have to see the car drive/experience it driving...

Going 5/4 on the suspension should give a much more oversteer ride but I would normally think that would be going much more to a drift biassed setup as it would more result in the back end getting too loose. Same really with the double swaybars, that really is something you'd want to do if you want a drift car, not a trackday car.

With my car I drove around on 6.25/2 for a long while. With the yokohama's this was a very understeering ride. I always had grip problems but in theory this setup should give massive grip on all 4 tires and be an ideal track setup.
When I switched to Bridgestone RE720 tires I actually found out my car really turned into a gripper and my problem had been the tires all along. I had no understeering problems with this setup, but also it was very hard for the car to get it to oversteer, you really had to do something stupid to get it t o oversteer (and I did once or twice ).
The biggest problem I had with this setup is that the difference in springs (atleast I think that was the cause) made the rear and front of the car behave so differently the car never felt very stable.

I'm no driving with the 6.25/4.5 setup which has made it a tad bit more biassed towards oversteering which is a bit easier to initiate now (allthough it still grips just fine) but what has improved much more is the stability and the controllability of the car on the edge of grip.

Anyways, point is, I can't really believe your suspension setup itself is the problem, it sounds like you have what should work.

What sort of shocks are you running? Do you have adjustable shocks? If so you may want to try playing around with the settings on those. If you have your front shocks very stiff, and your rears very weak, you're bound to get a car that tends to understeer aswell, you may want to try and stiffen the rear shocks up, or weaken the front shocks, and see what that does to the handling of the car..