Yeah thats not too bad. My duraton is 236/248 with a .586/.562 lift so 220 isnt bad at all. The important thing with a EFI motor without tuning is to watch the LSA since too rough will cause a lot of issues. I would look for cams with a 112-115 LSA, mines 113.
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5.3L LSx, Fbody .500 cam, TH400, 4500 Stall, Moser 9"
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