walkerbk Posted May 4, 2017 Share Posted May 4, 2017 (edited) So to start off, I am cheap. I hate over paying on car parts just because my car is older than most of the peoplease that work in parts stores. Some times I can get away with it, other times I just flip open the wallet and hope the wife doesn't knowtice. I currently have chevy chevelle springs (moog 6556) on my ls1 280z 2+2 and although they ride great in the front with the extra weight, they are way to stiff in the rear at around 197 lbs. So I have been planning on swapping to coil overs for the ability to change springs and I came across a website that has specs for moog springs http://classiccarsprings.com/coil-spring-specifications.html Looking through this list, cc257 is a progressive spring that is 149lbs at 15.5 in height so it is only slightly stiffer than the stock springs and very close to the exact hight. What do you guys think? Btw, these springs are for a 90-97 honda accord I believe Edited May 4, 2017 by walkerbk Quote Link to comment Share on other sites More sharing options...
RebekahsZ Posted May 6, 2017 Share Posted May 6, 2017 Avoid progressive springs. You can buy springs really cheaply from speedwaymotors.com. They are cheap enough there to let you play around with the rate and find whatcha like. Quote Link to comment Share on other sites More sharing options...
grannyknot Posted May 6, 2017 Share Posted May 6, 2017 Avoid progressive springs. You can buy springs really cheaply from speedwaymotors.com. They are cheap enough there to let you play around with the rate and find whatcha like. I've read that several times on this forum, what is it about progressives that you don't like? Ah, something to do with racing? Quote Link to comment Share on other sites More sharing options...
RebekahsZ Posted May 9, 2017 Share Posted May 9, 2017 The coils on the soft end of the spring are usually collapsed "coil bound" at rest. So, you essentially wind up with a short spring with no compression travel. It doesn't take much to bottom out the suspension. Quote Link to comment Share on other sites More sharing options...
walkerbk Posted May 19, 2017 Author Share Posted May 19, 2017 That is why I was looking at these springs. The stock ones are right around 100lbs/in and with these being 150lbs/in I figure that should give the soft side about a stock feeling and then the firm side enough to reduce roll when cornering. Quote Link to comment Share on other sites More sharing options...
Chickenman Posted May 19, 2017 Share Posted May 19, 2017 I've read that several times on this forum, what is it about progressives that you don't like? Ah, something to do with racing? If you're doing any " Canyon Carving", Autocrossing or Track Days progressive springs can make the turn-in non linear. Not a nice feeling. Even a nice twisty highway can feel " Spooky ". It's good to have a car that behaves the same through all phases of a corner. Entry mid-corner and exit. Progressive springs tend to screw that up. Especially on a 40 year old chassis that was not designed for progressive rate springs. Quote Link to comment Share on other sites More sharing options...
walkerbk Posted May 20, 2017 Author Share Posted May 20, 2017 You make a good point. I still think it is a viable option, just not for what I need. I guess I'm going to chop everything up and go with coil overs. Quote Link to comment Share on other sites More sharing options...
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