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 Post subject: 7/8 or 3/4 rear sway?
PostPosted: Mon Aug 21, 2006 7:49 am 
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EFI Slant 6
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Joined: Fri Mar 10, 2006 6:50 pm
Posts: 446
Location: Redding, CA
Car Model:
73 Swinger. I finally installed my 1 1/8 Hellwig front sway bar yesterday. What a difference in handling! But, I can feel the rear pushing the front end (is this oversteer?), so now I want to install a rear sway bar. I have new 5-leaf springs on the back already, and new KYBs all the way around.

Should I get a 3/4 or a 7/8? For some reason the 7/8 is $20 cheaper.

A couple of things on the Hellwig. First of all, the sway bar went through my K frame and fit great, except the attachment plate for the LCA isn't great (and Hellwig gave me bolts, the ones from the sway bar to the LCA, were way too long, I had to go out and buy the proper length). Does anybody have a picture of a factory sway bar tab for the LCA? I may end up welding something better than the Hellwig setup.


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 Post subject:
PostPosted: Mon Aug 21, 2006 7:57 am 
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Board Sponsor & SL6 Racer
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Joined: Fri Nov 08, 2002 4:48 pm
Posts: 5835
Location: Burton BC canada
Car Model:
If you have oversteer a rear bar will make it worse. The 5 leafs and KYBs are probably all you need. I would drive it for a while and get used to it and see if you really need the rear.

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 Post subject:
PostPosted: Mon Aug 21, 2006 11:05 am 
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EFI Slant 6
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Joined: Fri Mar 10, 2006 6:50 pm
Posts: 446
Location: Redding, CA
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Quote:
If you have oversteer a rear bar will make it worse. The 5 leafs and KYBs are probably all you need. I would drive it for a while and get used to it and see if you really need the rear.
Thanks, I just took it for the one test drive about 5 miles (on a curvy road) after I installed the front sway. I will drive it a while to get a better feel.


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 Post subject:
PostPosted: Mon Aug 21, 2006 6:57 pm 
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Supercharged
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Joined: Thu Jan 27, 2005 8:32 pm
Posts: 7834
Location: Portland-ish
Car Model: Fiat 500e
A 1/2" sway bar is likely enough for your car and 5/8" is probably plenty. 3/4" and 7/8" are almost always too much and will induce significant oversteer.

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 Post subject:
PostPosted: Tue Aug 22, 2006 1:17 am 
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Supercharged

Joined: Thu May 12, 2005 11:50 pm
Posts: 6291
Location: So California
Car Model: 64 Plymouth Valiant
Quote:
A 1/2" sway bar is likely enough for your car and 5/8" is probably plenty. 3/4" and 7/8" are almost always too much and will induce significant oversteer.
I'll agree that 7/8" is too much, but I find 3/4" perfect..........

BTW, that's with stock torsion bars (no doubt smallest available) and stock 4-leaf rear.......


It all depends on you spring stiffness............

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64 Valiant 225 / 904 / 42:1 manual steering / 9" drum brakes

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 Post subject:
PostPosted: Tue Aug 22, 2006 4:20 am 
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Joined: Mon Oct 21, 2002 11:08 am
Posts: 16897
Location: Blacksburg, VA
Car Model:
I have tried a 3/4" rear bar on two Darts with fairly stiff rear springs, and it makes it way too loose (oversteer). Spend your money on something else fun. :D

Lou

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 Post subject:
PostPosted: Tue Aug 22, 2006 7:39 am 
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EFI Slant 6
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Joined: Fri Mar 10, 2006 6:50 pm
Posts: 446
Location: Redding, CA
Car Model:
It seems unanimous. I will drive it a while and get the bumblebee stripe instead. Thank guys!


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