Rear sway bars - Good or Bad ? |
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Rear sway bars - Good or Bad ? |
pistonboy |
Sep 20 2022, 08:31 PM
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#1
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Newbie Group: Members Posts: 38 Joined: 26-October 15 From: California Member No.: 19,305 Region Association: None |
A friend has told me, rear sway bars are suppose to be bad and many people remove them. He says he has heard this from others.
Are rear sway bars good or bad? One of my 914s has the front factory sway bar but no rear sway bar. I have purchased front and rear aftermarket sway bars for one of my vehicles which currently has none, though I have not added them yet. I have also purchased a rear aftermarket sway bar to put on the one that has only the front factory sway bar. Since 914s were designed by Porsche, I find it hard to believe they made a mistake on suspension and handling. These are the things Porsche is famous for. Does anyone have experience with and without rear sway bars and knows. Thank you. |
Steve |
Sep 27 2022, 10:59 AM
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#2
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914 Guru Group: Members Posts: 5,606 Joined: 14-June 03 From: Orange County, CA Member No.: 822 Region Association: Southern California |
Funny, but I do not see any discussion around engine conversions. When you add rear weight, SBC, big aluminum six, 915 gear box, big CV's, you have to increase the rear spring rate, which effects the whole car. When I upgraded to a 2.7 six and 3.2 six with stock gear box, I had to upgrade the rear springs to 140 lb or the stock spring bottomed out. Of course I went bigger torsion bars up front to compensate. When I replaced the 914 gear box, with a 915 gear box with 108mm CV's, I once again bottomed out the 140 lb springs. I now run 200 lb rear springs, with no rear sway bar. I will probably put it back on for comparison. Note, a rear sway bar does nothing except in the corners and will add oversteer, hence the name sway bar. So you can run less spring rate with a rear sway bar and the car will ride nicer and not come into play, except in corners.
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