I have solid mount in my car you realy dont notice any more nvh, but I drive a gutted, full caged , fully rod ended suspension, aluminum seat,hot rod I can deal with it. For the false knock issue a guy on frrax had the sphon solids and was worried about the knock sensors so he did several hours of data logging on the street and on several road courses and the most he saw was one or two times when the computer pulled a degree or two of timing. So im not overly concerned if i was drag racing, or I was spraying the house down then maybe. I got them for the 9.5 lbs it saved me on the nose of my car.
Last edited by 198esp1; 12-15-2009 at 08:59 PM.
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