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Old 03-11-2009, 12:13 PM   #1
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Default Racing Beat vs ISC Swaybars.

So I've been runing the Racing Beat front hollow 1.125" swaybar for a year now and all the while I've been wondering about ISC's huge 1.25" swaybar.

This


Vs.

This



My car is a regular at Time Attacks and is my summer daily driver aswell so I was planning on upgrading the swaybar so I wouldn't have to run alot more front spring (450's did not cut it and I want to order coilovers asap).

The car was good once it took a set in the big corners but in the chicanes (tight ones at that) it would unload to much and it felt like a heavy car (which its obviously not).

So, get a bigger front bar or just get stiffer springs, opinions please.




-Dean
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Old 03-11-2009, 04:55 PM   #2
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I run an SSM AutoX Miata with a ISC Front Bar with 0.188 wall thickness. I'll be running 275 Hoosiers on 15x10s and 800-850# front springs on valved double adjustable bilsteins from Fat Cat Motorsports.

It is a much stiffer bar than the mere 1/8" size increase suggests. Since it has Aluminum Splined Arms it doesn't bend/give in as many places as a formed bar will, like the racing beat. In my opinion, you are going to be better spending money on shocks and the proper springs. If you're tracking a lot I would recommend 700#F/400#R, with a good set of shocks, that is more streetable than you might think.

Put your money in SHOCKS though, I'd highly suggest calling Shaikh at Fat Cat Motorsports and getting a full coilover kit from him. He can advise you Shocks, Sways, Springs and Valving to compliment his kit. Even if you go with the base revalve coilover kit, it will be worlds better than any off the shelf coil over setup. While you're likely to spend an extra +$500 on custom valved setup over OTS shocks, trust me, you will be happy that you did it right the first time.

At least give him a call to discuss your thoughts before you buy anything, he's very helpful. Then after you've done those things, if you're still unhappy with the body roll, then upgrade to the ISC Sway Bar, but I doubt you will need to, your current RB bar is plenty with the right setup.
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Old 03-11-2009, 07:23 PM   #3
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Thanks for the help Leadfoot, I'll get ahold of Shaikh and see what he says.


-Dean
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