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TB Performance Torsion Bar
Sweet. I have the 2pt pierce bar and love it. I'll definitely be looking into this. I heard the pierce upper bar is mainly for looks though? Not true?
And I would come but I work Wednesday so I can never make it unfortunately. I will be going to the cars and coffee in great falls starting Saturday though, if you're interested in those.
And I would come but I work Wednesday so I can never make it unfortunately. I will be going to the cars and coffee in great falls starting Saturday though, if you're interested in those.
Thread Starter
#83
Hmm, not sure. I'm not sure Jim Pierce would build something if it didn't work. His business is building race cars, not rice... so it would be an odd part for him to engineer, test, refine and bring to market if it didn't do anything.
On all prior cars that had them I could notice a small, subtle increase in initial turn-in crispness. Steering feel was always improved and tightened.
I guess it's not *too* expensive at $150 to take a gamble on.
On all prior cars that had them I could notice a small, subtle increase in initial turn-in crispness. Steering feel was always improved and tightened.
I guess it's not *too* expensive at $150 to take a gamble on.
Thread Starter
#86
Yeah. I no longer believe that it could adversely affect handling the way the bar works on this car's suspension configuration and geometry. If you enjoy how it steps out fairly easily at relatively low speed you might not like it but ultimately grip is greatly increased and thus speed through corners is as well.
The point at which the rear end steps out is also raised by the same amount. It's not like other cars where you get snap oversteer unexpectedly early.
I've driven it on both Sport mode ESC and fully off and it performs as I'd expect.
The point at which the rear end steps out is also raised by the same amount. It's not like other cars where you get snap oversteer unexpectedly early.
I've driven it on both Sport mode ESC and fully off and it performs as I'd expect.
Thread Starter
#89
I was saying that I no longer feel that coilovers would make things too stiff with this bar. It would make lateral stiffness higher (that's the whole point) but I don't think it would be horrible.
For those buying aftermarket springs for the softer ride (most are progressive rate) then I would suggest against this as it would end up mitigating much of the ride "improvement" some people are aiming for. If you hit a bump only on one side of the car it would really transmit that torque to the other side.
For those buying aftermarket springs for the softer ride (most are progressive rate) then I would suggest against this as it would end up mitigating much of the ride "improvement" some people are aiming for. If you hit a bump only on one side of the car it would really transmit that torque to the other side.
![[raceflag]](/images/smilies/icon_smile_race.gif "Race Flag [raceflag]"){kind=icon}
So my TB Torsion bar arrived two days ago and I picked it up today.
Nice build quality and he did appear to take quite a hit on postage which is very kind of him.![[thumb]](/images/smilies/icon_smile_thumb.gif "Thumbs Up [thumb]")
I've decided to do the ISO100 bushing mod but as they are harder to come by over in OZ I've ordered from China for a few bucks.
I may mount it while I wait and see if I notice a difference with the bushings.
I'm surprised it's smaller than I imagined. I put the coffee cup in the picture for perspective.
Nice build quality and he did appear to take quite a hit on postage which is very kind of him.
I've decided to do the ISO100 bushing mod but as they are harder to come by over in OZ I've ordered from China for a few bucks.
I may mount it while I wait and see if I notice a difference with the bushings.
I'm surprised it's smaller than I imagined. I put the coffee cup in the picture for perspective.
Thread Starter
#99
Whoa, people read my posts!? 
Just remember that it won't just drop right in with the bushings. You'll need a C clamp or two to gradually walk it down the bolts to the bottom of the C channel. An impact wrench makes things go faster too. Good luck!
Just remember that it won't just drop right in with the bushings. You'll need a C clamp or two to gradually walk it down the bolts to the bottom of the C channel. An impact wrench makes things go faster too. Good luck!
Whoa, people read my posts!?
Just remember that it won't just drop right in with the bushings. You'll need a C clamp or two to gradually walk it down the bolts to the bottom of the C channel. An impact wrench makes things go faster too. Good luck!
Just remember that it won't just drop right in with the bushings. You'll need a C clamp or two to gradually walk it down the bolts to the bottom of the C channel. An impact wrench makes things go faster too. Good luck!
I'll definitely try without the bushing first in case the mod is not for me.
The bushing mod seems to add an extra level of 'commitment' like you say.
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