hey guys, im currently building a turbo ls/vtec fo my dc integra.i plan on using compcams 57200 cams(RPM range: 2,400 to 8,600 rpm Duration at .050" lift: 230/240 (int/exh) ). this car will be a summer daily drive/weekend racer. now im told by alot of ppl to use titanium valve retainers. my question is will it be worth spending $250 for titanium retainers instead of $60 for steel? and how big of a diff would ti retainers make?