Ark Posted November 26, 2008 Share Posted November 26, 2008 You dont need roll bars for drag racing. Here's the tech info on the Titan roll bars That's my point exactly - if they do drag racing, what makes them knowledgeable about road suspension? Link to comment Share on other sites More sharing options...
Dnk Posted November 26, 2008 Share Posted November 26, 2008 Ive got TRD arb's and i doubt for rd use id want them any stiffer, great in the dry but a little too stiff in the wet ! Link to comment Share on other sites More sharing options...
Chris Wilson Posted November 26, 2008 Share Posted November 26, 2008 Stiffer anti roll bars will affect the ride. If you drive over something like a sleeping policeman they make no difference, as the bars effectively make independent suspension semi live axle. Both wheels on each effective axle rise and fall together, the spring rates don't change. However, hit a pot hole, or a bump in the road, or a track kerb with a wheel, or wheels, at just one side of the car, and the spring rate of the bar, which can be very considerable on stiff bars for heavy cars, is added to the suspension spring rate, and the car will feel a lot less supple. TRD bars are decent material, hollow, and so lightweight, and come with harder mounting rubbers and new brackets with grease nipples. For a road car that does some track work they work fine. Personally I don't rate Whiteline stuff. their springs seem to settle, suggesting very poor material, and I have twice seen broken Whiteline ARB's. The stock ARB arm length is short enough for a set of (say) three link holes to make a noticeable difference to the rate of them. Link to comment Share on other sites More sharing options...
bolarbag Posted November 26, 2008 Share Posted November 26, 2008 Titan Motorsport adjustables all the way, you cant go wrong. We use them on all 3 Time Attack cars, if your serious about track use and you want the adjustability to really tune your car in that comes with them these are the ones to get. TRD are fine for road use. I second these, I thought I had done enough research to warrant the TRD ARB's, bought them and sold them off(before I decided to sell up completely) The front TRD ARB's are better than stockers, but the Rears are too stiff, TRD rears werent ever made by TRD Japan they were an aftermarket item arranged by(Dusty?) via the same manufacturer The Titan sway bars are adjustable in the sense that they can be changed to suit your driving style(jack the car up, socket set, easy enough), they are also lighter than TRD sway bars I was surprised at the weight of the TRD's - they are a lot heavier than stock! ?Question for suspension analysts, I dont like polyeurethene bushes, the TRD ARB's come with them(I assume Titan ones too), but then so do most TRD parts, is it better to fit new stock rubber bushes - assuming its a daily driver? Link to comment Share on other sites More sharing options...
Paul Whiffin Posted November 26, 2008 Share Posted November 26, 2008 That's my point exactly - if they do drag racing, what makes them knowledgeable about road suspension? I'm pretty sure they are copies of the discontinued adjustable TRD roll bars. Link to comment Share on other sites More sharing options...
Nic Posted November 26, 2008 Share Posted November 26, 2008 Cusco ARB spec Cusco Front ARB 153% stiffer than stock Ø32mm hollow construction (stock Ø30mm) Cusco Rear ARB 240% or 297% stiffer than stock, depending which hole the drop links are bolted to. Ø22mm hollow construction (stock Ø19.2mm) http://img292.imageshack.us/img292/9608/p1030625sn1.jpg http://img356.imageshack.us/img356/5200/img2094vx7.jpg http://img186.imageshack.us/img186/5765/img2095zg6.jpg Link to comment Share on other sites More sharing options...
SteveR Posted November 26, 2008 Share Posted November 26, 2008 ?Question for suspension analysts, I dont like polyeurethene bushes, the TRD ARB's come with them(I assume Titan ones too), but then so do most TRD parts, is it better to fit new stock rubber bushes - assuming its a daily driver? Good question, I'd be interested in people's opinions too. I'm looking at replacing ALL of the bushes on my car, but it seems you can't buy replacement rubber ones, only poly. I'm unsure whether I should go down the cheaper route and get 'upgraded' poly bushes, or replace the entire suspension components in order to get new rubber bushes... Link to comment Share on other sites More sharing options...
b_have Posted November 26, 2008 Share Posted November 26, 2008 Good question, I'd be interested in people's opinions too. I'm looking at replacing ALL of the bushes on my car, but it seems you can't buy replacement rubber ones, only poly. I'm unsure whether I should go down the cheaper route and get 'upgraded' poly bushes, or replace the entire suspension components in order to get new rubber bushes... Me three. Link to comment Share on other sites More sharing options...
Wez Posted November 26, 2008 Share Posted November 26, 2008 TRD roll bars fitted to mine. Link to comment Share on other sites More sharing options...
benkei Posted November 26, 2008 Share Posted November 26, 2008 What do roll bars actually DO? Obviously they stiffen up the suspension and reduce body roll, but how does the thickness affect it up front and at the back, handling wise? Link to comment Share on other sites More sharing options...
bolarbag Posted November 26, 2008 Share Posted November 26, 2008 Click Link to comment Share on other sites More sharing options...
benkei Posted November 26, 2008 Share Posted November 26, 2008 Ahhh, so a thick/stiff ARB at the front will cause understeer, and a thick/stiff ARB at the rear will cause oversteer... So matching them up is important. Unless you want to change the handling of the car, in which case you use thicker or thinner ARBs where appropriate. If you go TOO stiff back and front, the the car is prone to spinning out on corners, and thinner ARBs back and front will result in the car maybe not turning in as much? That right? Link to comment Share on other sites More sharing options...
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