Your European "slowdown buildings" are generally called either "speed bumps" (4 inches or so in height and 8 inches or so in width) or "speed humps" (also about 4 inches in height and up to several feet in width) here in the States. I haven't personally had any problems with speed bumps/humps on my cars, though all of them have 15" wheels with radials, 235/75/15 on the Imperial, 225/75/15 on the Riviera and Cordoba. Neal Herman 1959 Imperial Crown 1972 Buick Riviera 1983 Chrysler Cordoba On Fri, 17 May 2002 19:25:18 +0200 Philippe COURANT <accf_clb@xxxxxxxxxxxxxxxx> wrote: Hi, I wonder what could happen if the torsion bars are tightened more than factory setting, i.e to compensate too low front height (smaller tires than original). Possibility of breakage ? Lack of driveability (and comfort..) ? I ask this question because my car has radial WWW tires (225-75 x 14) and they have 2" less height than original bias 9.50 x 14. So the car is 1" lower than original and i sufferd from some problems when i run on "slowdown buildings" (don't know the exact word and don't know if you have these things in USA: it's a cemented round obstacle through the road, 4 to 6 inch height, so you have to slow down the car to 10 to 20 mph if you want to cross it without a big jump !). These obstacle are common in every small towns in France, because drivers cross these towns at too high speed. Problem for my Imperial is that it has a longer wheelbase than european cars ! When the front wheels go down this damned *^"!� (not all, because majority are enough long) the rear wheels haven't began to climb the beginning so the middle of the car (exhausts..) scrapes the cement. I don't have the problem with the '58 Bui*k, it is higher than the Imperial. I know also that all the fellows who have Corv*"te, Trans'*m, Cama"%o etc have still more problems than me: they must cross the obstacle crosswise ! And even the modern cars which have spoilers... -- Philippe COURANT (Pau, France) Imperial 57 Crown convertible Buick 58 Roadmaster sedan - American Car Club de France (ACCF) : http://www.accf.com - Chrysler Imperial France : http://www.ifrance.com/c-i-f - Cadillac " Standard of Excellence " : http://www.ifrance.com/accf-cad - SportsCars : http://www.ifrance.com/accf-sprtcar
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