Well, the factory HD replacements aren't always that much stiffer, and in a few cases they are too stiff. The 10-15% over factory stock ensures you get a better ride without suffering to much. The springs are custom wound as they are ordered for low volume (what they sell now) cars, so stocking isn't a problem. On April 28, 2006 andrew hay wrote: > " From: farna@xxxxxxx > " > " The attachemnt was "scrubbed", but the new system puts up a link you > " can click to see it! The message stated you're looking for a source > " for frint springs. The source I always use is www.coilspings.com > " (Coil Spring Specialties in Kansas). Since this is for an early to > " mid 60s car, I suggest you order springs 10-15% stiffer than stock. > " That's about what factory heavy duty springs would have been. CSS > " only makes progressive coils now, not "straight" compression rate. > " The progressives ride much better -- a little soft initially but > " stiffen at an increasing rate as they are compressed. They will work > " out the rate you need based on the original "straight" rate. They > " have charts showing factory rates from way back. > > if they have the factory charts, why not just order factory hd > replacements? > > i have to second going with hd. i put factory hd in my '67 marlin > along with twin-tube ['low pressure'] gas shocks, and the ride was > great - nicely firm, neither mushy or harsh. > ________________________________________________________________________ > Andrew Hay ============================================================= Posted by wixList Archiver -- http://www.amxfiles.com/wixlist _______________________________________________ AMC-List mailing list AMC-List@xxxxxxxxxxxx http://www.wps.com/mailman/listinfo/amc-list or go to http://www.amc-list.com