ported 241s or 243s?
#43
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Hmmm those spdc heads look tempting I'll do some more research. Thanks for the replies everyone this is my first time working on an ls1 and doing any major work so all the suggestions helped!
#48
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I still say 241's or budget aftermarket castings like TrickFlow 220 as cast or PRC 225 as cast. By the time you buy some good 243's for ~$350, then have them ported $1000, and buy some good dual springs $300 you're only $150 from buying PRC 225 as cast and $450 from Tooley or TEA built TrickFlow 220 as cast heads.