back end side steps when hit bump in corner

trailblazr81 · Dec 6, 2007

So when Im going through the twisties at speed and hit a bump mid corner I can feel the back end hop to the side. I have springs, shocks, and boxed control arms. Would a panhard bar or torque arm set up cure this problem? Or is this just the nature of solid axle rears? Theres a few nice hill and canyon twisty roads in my area but the pavement isnt quite sidewalk smooth.

urban96 · Dec 6, 2007

panhard would help keep the rear centered

[BlackDiamond] · Dec 6, 2007

You'll never get rid of that, you might be able to slightly reduce it by using a combination of aftermarket parts, but solid axles will always behave like solid axles.

trailblazr81 · Dec 6, 2007

[BlackDiamond] said:
You'll never get rid of that, you might be able to slightly reduce it by using a combination of aftermarket parts, but solid axles will always behave like solid axles.

What I figured. Nature of the Beast!!

nyuk98gt · Dec 6, 2007

trailblazr81:

If you can find a drag-strip oriented Cobra owner who is interested in swapping his IRS for your solid axle, you can get a good improvement in handling. Sticking with the solid axle, you might look at Maximum Motorsports site (tech articles) and CornerCarvers.com (forums).

HTH,

Chris

fast97gt · Dec 7, 2007

nyuk98gt said:
trailblazr81:

If you can find a drag-strip oriented Cobra owner who is interested in swapping his IRS for your solid axle, you can get a good improvement in handling. Sticking with the solid axle, you might look at Maximum Motorsports site (tech articles) and CornerCarvers.com (forums).

HTH,

Chris

last i checked its not wise to go from solid rear axle, to an irs piece . very bad idea from what ive heard. cause its time consuming and EXPENSIVE, how ever you can upgrade to shocks like the tokico 5way adjustables, and the panhard bar would definitly reduce the rear steppin out from uderneath the car THATS WHY NASCAR CARS HAVE THEM, iknow it helps stability to though. also the sidewall hight of your rear tires play a key part in this, taller=more deflection, shorter=less sidewall deflection.

twogts4us · Dec 7, 2007

Nature of the beast, as you have heard - but also, is this a sudden change? When I blew out my Steeda LCA bushings, the rear end felt like it was going to end up in the next lane...a scary feeling.

BennyBlown2v · Dec 7, 2007

fast97gt said:
last i checked its not wise to go from solid rear axle, to an irs piece . very bad idea from what ive heard. cause its time consuming and EXPENSIVE, how ever you can upgrade to shocks like the tokico 5way adjustables, and the panhard bar would definitly reduce the rear steppin out from uderneath the car THATS WHY NASCAR CARS HAVE THEM, iknow it helps stability to though. also the sidewall hight of your rear tires play a key part in this, taller=more deflection, shorter=less sidewall deflection.

Wrong. I picked up my first IRS for free, second one for free as well (after selling my solid axle elsewhere). Time consuming? It takes 3-5hrs depending on skill level and number of times you've done the swap.

Nothing will completely stop a SRA car "side-stepping" on bumps, thats just how it works.

trailblazr81 · Dec 7, 2007

Alays been a problem, just good ol' solid axle. Maybe I'll get the track bar. Dont want to do anything too radical since it is my DD. Or I'll just pick up an old Miata for cheap, and drop in a 5.0 or 347 stroker, and enjoy the benefits of IRS.

fast97gt · Dec 8, 2007

trailblazr81 said:
Alays been a problem, just good ol' solid axle. Maybe I'll get the track bar. Dont want to do anything too radical since it is my DD. Or I'll just pick up an old Miata for cheap, and drop in a 5.0 or 347 stroker, and enjoy the benefits of IRS.

that miata would be insane with a v-8. buddy of mine here north carolina has a turboed 5.0 and O MY GOD insane doesnt define the proper terminoligy

tiptone · Dec 8, 2007

BennyBlown2v said:
Wrong. I picked up my first IRS for free, second one for free as well (after selling my solid axle elsewhere). Time consuming? It takes 3-5hrs depending on skill level and number of times you've done the swap.

Nothing will completely stop a SRA car "side-stepping" on bumps, thats just how it works.

I got mine for free (traded SRA for it) and it took me and two other guys 5 hours to do the swap. We had to stop twice, once to try and work a slide pin on the rear caliper loose and another to go get a cargo strap to help ease the IRS into place. Not all that time consuming and certainly not expensive. Probably the best thing I've ever done for this car as my daily driver.

rconaway · Dec 10, 2007

First start by making sure your bushings aren't worn out on the control arms or they are bent. I tore up a set of the early Steeda units which were just modified stockers. Get some aftermarket control arms, upper and lower. If you still have the problem, then look at other aftermarket options. If you just use the car on the street, you probably aren't going to be able to tell a whole lot of difference. If you just need a more level car cornering, look at a Steeda anti-sway bar in the back. If you push your car further, then get a Maximum or Steeda rear end upgrade of some type.

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