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Suspension Refurb / Upgrade

IanHighfield

New member
After e-mails with Richard Bernau (thanks Richard), I started a thread on Pelican re: suspension refurb / upgrade. Had a very informative e-mail from Chuck at Elephant, and thought you may be interested in the points discussed at http://forums.pelicanparts.com/showthread.php?s=&threadid=172435.

Will look to accumulate parts and do the work over the winter...... other jobs permitting !
 
I'm doing a similar thing next year with my SC Ian, you've started a good thread at Pelican. Don't compromise on the suspension I would suggest new Bilstein sport all round, drive it for a month to let the shocks settle before you adjust the ride height. I may not now replace the torsion bars I'll see how it is on the the re-valved or new Bilstein sports and the Elephant bushings and Weltmeister adjustable spring plates. I wouldn't change the anti- roll bar for street I'd be afraid of having to undo my mistake especially as my car is significantly lighter now.
 
That's right Ian....... sports all round , It was standard fitment on the 'sport' model SC. With the stock torsion bars and sport suspension , the ride is hard with minimal body roll for a road set up. I'm having second thoughts about uprating the torsion bars. I'm going to fit the susupension first and see how it feels. If I'm happy I'll fit the bushings and trailing arms in one go leaving the torsion bars alone.
 
Hi Ian,

I have added to the Pelican thread. The only thing I would add to the PM I sent you is that most people would consider the Bilstein Sports to be overly firm for std spring rates especially at the front - for example, Rennsport recommend Sport/HD even for big t-bars. More than the t-bars, the shocks will contribute to the ride quality so firmer is not necessarily better. By using stiff shocks alone you are really using a bandaid type of mentality. Sure, they will give good initial and transitional body control but the body roll will come. As you will know, shocks only control the speed of the oscillation not the overall size.

Despite it being a bit of a bandaid solution, I agree with Bones that the shocks alone get you a pretty good result for 90% of your driving. After all, I ran my 3.2 with HDs, std t-bars, a big rear sway and some plastic bushings for a couple of years as a compromise set-up. The limitations though are obvious on track. While body control is pretty good, the body roll is still there at track speeds and track loadings - particularly once you go to 225/245 tyres on 7/9 wheels or r-compound tyres.

FWIW, if I was doing a mainly road set-up for a 3.2, I would probably be happy to stick to std t-bar sizes and new Boge turbo-gas shocks in conjuntion with some nice big adjustable anti-roll bars. Admittedly a lighter car, but this was the way my 72 911 was set-up (but with Koni reds) and it had a lovely ride with great handling. It was a regular autocross winner and my best friends car with identical set-up was a title winning club racer. The big ARBs seem to have zero effect on ride (contrary to popular myth) and kept the car very level in the twisties.

Anyhow, hope to see you on the 14th and you can judge the results for yourself. It should be my first track day with all the new suspension, big r-compounds and with the big brakes (which go on this week) - can't wait and fingers crossed it all comes together in time.
 

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