Hollow or solid torsion bars?

Any suggestions on hollow or solid torsion bars. Any benefits other than saving weight? Any detriments? I'm replacing my a-arm bushings and want to upgrade to 22mm torsion bars on my 78SC. Any advise? Daily driver, getting ready for a little track time.

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Pail
78SC Targa

Solid bars are fine ... Sway-A-Way makes good, economical ones that I have all the way around on my car, 21/26/ mm, but it is lighter than yours. The weight savings and 'quicker' resposiveness of hollow bars my make a difference on 1500-1800 lb. race cars, but you will never be able to tell the difference on a 2600-2700 lb. 911!!!

The simple fact is that if weight were the only criteria, you can save a lot more by going from Michelin's to Pirreli in the same, exact sizes, but I digress! The factory decided it was pointless to continue pursuing lighter wheels and brake calipers, when the variations between OEM tyre suppliers was more than 10 lbs per car ... mid-'70's was when that revalation occured!

I just don't happen to think a wallet penalty of over $400 per car is worth it for hollow bars ... for those kind of prices, you OUGHT to be able to get Hollow Titanium Torsion Bars ... and that would be some significant weight savings, but hidden from view ... and the view of polished or matte, sandblasted Titanium is simply, ASTOUNDING!!! Dan Gurney had polished Titanium exhaust headers on his '67 V-12 Formula 1 car, and they were gorgeous!

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Warren Hall
1973 911S Targa

[This message has been edited by Early_S_Man (edited 12-07-2000).]

Yea, but how am I supposed t oget down to the 1500-1800 lb. wigiht unless I start cutting down the weight somewhere. Just kidding. Thanks Warren.