Quote:
Originally Posted by swarb
They are crap for 2.5 reasons.
1. progressive rate.
2. too soft=too much travel=bottoming out=blown shocks.
2.5. can be too low for relatively soft spring rates.
They are made/marketed more towards the person who wants a semi-sporty ride and mild lowering without much compromise.
ERS are good though.
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That sounds more like a problem about the product they chose for the application and less about the quality of what they sell. If they recalibrated or spent more time on initial testing a progressive rate spring would be a great choice for a lot of street driven cars.
It's not an excuse but that doesn't prevent me from being satisfied with the correct spring sold by eibach, and yes, all my experience has been with the ERS line (Eibach Race Spring-System).
I assume the problem is with these where they don't even tell you what you're getting:
http://performance-suspension-eibach...f-4-springs-10
Edit: Yes with initial soft and then hard spring rates I can imagine that being awkward at best on track or AutoX, but it's probably good fun for the guy who commutes to work in the same car he goes for Sunday drives in.