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Best cam for tbi 350 with vortec heads

Vortec '906' heads, with 'street port' special, 3 angle seats + summit 1.94/1.5 valves. Comp 212/218, .449/.458 flat tappet cam and matching valve springs. stock GM rocker arms, Summit stage-1 intake + trans-dapt center mount TBI adapter UNPORTED stock 42mm 450cfm GM 5.7 throttle body. Custom chip/fuel pump/spring kit from Brian @TBIchips