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Thread: Front Torsion Bar Upgrade: 20mm or 21mm ??

  1. #31
    Senior Member H-viken's Avatar
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    Feb 2012
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    Nice James!
    SEARCHING FOR ENGINE 6208326 (last seen in car with VIN 9111101452)

    -70 911E
    -84 3,2 Sold

  2. #32
    Member mathfuzzy's Avatar
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    Aug 2011
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    Quote Originally Posted by Haasman View Post
    I run 21/26 mm torsion bars, 16mm front & rear sway bars with Bilstein Sport Shocks. Firm? Yes. Dialed in? Absolutely. Not for everyone but if you are a driver who likes to extract the limit of your car, this is good.

    I also should add that the shocks a quite firm, not hard, but firm.
    It sounds like this is close to the consensus sport suspension setup. Or?

    for context, my ‘73 S Coupe got to me in mid January. It’s fine puttering around town, but the suspension is obviously tired when I get into the mountains. It’s getting a major tune right now - basically resetting the engine baseline with fluids, plugs, cap, rotor, wires, valve adjustment, injectors, vacuum lines, rebuilt throttle bodies, check and adjust everything. And repro sport seats. Once my wallet has recovered from all of that, I’m panning for a suspension refresh.

    I have relatively new Vredestein Sprint Classics on the ‘73 now, annd they seem great. I also have a 992 sport classic and a 993 with Bilstein PSS10s, turbo S swaybars and elephant adjustable drop links. The 993 is pretty much exactly what I’m looking for in my 73 S. Feels original, but very sporty, dialed in and predictable original. In other words, I’m not trying to make the ‘73 something that it isn’t, just the best version of what it is. The Sport Classic is like a video game (a really good video game). I’m definitely not trying for that!

    Anyway, I think I’m going to go with the setup that @Haasman is describing, but I’m happy to hear confirmation or suggestions. My biggest complaint is excessive body roll and a floaty feeling.

    Gratuitous pictures of my new car.

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    -JD

    ‘73 S Coupe #9113300961 (Aubergine w/sunroof)
    ‘97 C4 Cab (PTS Conda Green), ‘23 992 Sport Classic (PTS Linden Green), ‘18 Panamera Turbo Sport Turismo (his), ‘17 718 Boxster (hers)

  3. #33
    Senior Member
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    zenithblue71t , how can your car's ride height be set to Euro specs when there were no Euro specs for 1971 ? Euro specs were different in 1974 and later because of the impact bumpers . And tfiv is correct ,
    on public highways softer can be faster .

  4. #34
    Senior Member Chris Pomares's Avatar
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    Interesting read on your LWB cars. Mine is SWB. Start with a very rust free 67 tub. Make sure all pickup points are perfect and they are. No T bars on my car. Coil overs (200/300), 16/16 sways, Elephants GT3 type front suspension and 2 degrees neg camber at all four corners. Tire wear is flat across the tread. I have 18/18 sways on the shelf, but have not installed so far. Everyone who has driven or ridden in the car are amazed. It helps to have 911S hp, 911E torque and wack 60 to 75 pounds off behind the rear axles, depending if the engine and transmission are mag or aluminum.
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    I couldn't find the sports car of my dreams, so I built it myself-Ferdinand Porsche

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