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Old 06-25-2006, 02:06 PM
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New Anti Sway Bar for 1939 Pontiac

Ok boys and girls, my car sways when rounding a corner. My anti sway bar is 0.5 inch diameter. Suppose I want to get stiffer? Bigger diameter, I saw formula, (new-sway-bar-diameter/old-sway-bar-diameter)^4.....that's to the fourth power! Wow a? That means if I go 5/8 inch, my bar is 2.44 times as stiff.... at least that's what I figure.

All these here new anti-sway bars are over an inch in diameter! And, I can't find any that say they are going to fit my 39 any how.

Do you have solutions? I have plenty of questions! I want to be flat! I don't want to sway no more!


PS I read the stuff in the help links etc and did not explain much. I did search on anti sway bar and did not explain much. I sat and thought about it a bit and did not explain much.

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Old 06-25-2006, 10:09 PM
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I have a 39 pontiac coupe, but I used a camaro subframe, I take it that you're still using the stock setup, if that's the case, I don't think a sway bar is going to turn it into a corvette. I really don't think there's anything you can do with that suspension that you'd be happy with. I suggest that you don't start throwing money into it, and start saving for an upgrade, the camaro sub is fairly simple on your car, it "plugs" right into the frame so to speak, and then just weld it on. (of course I'm oversimplifying) The only problem is that those subframes are getting harder to find, so start looking now, or go with a aftermarket ($) type.
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Old 06-26-2006, 11:01 AM
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I dont know if you'd be able to find a bigger sway bar for your 39 Pontiac. Perhaps a walk through an old time junkyard with a tape measure would help you locate a comparable bar from a 70's, 80's, or newer car.

What I really wanted to add is if you cant find a bigger bar, I've had *amazing* results for the $ spent by replacing original worn sway bar and endlink bushings with the universal urethane bushings you see in parts stores.
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