M mixedupstang New Member Mar 22, 2008 1 0 0 indianapolis Mar 22, 2008 #1 Mar 22, 2008 #1 i have a 1990 mustang lx with a sbc 434 that has around 750 hp i just bought a new pair of rear qa1 coil overs that have a 175 pound and a 200 pound spring which one would be better for my car?
i have a 1990 mustang lx with a sbc 434 that has around 750 hp i just bought a new pair of rear qa1 coil overs that have a 175 pound and a 200 pound spring which one would be better for my car?
T TokyoJoe New Member Mar 25, 2007 179 5 0 Mar 22, 2008 #2 Mar 22, 2008 #2 not sure, maybe contact QA1?
