well the vortecs dont need to be machined to fit... but it depends on what your going for with your induction, carb or tbi go vortec, but if your going tpi go 113 heads... i mean if your on a budget... the vortec heads are better heads though
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Boats and hos.
Current: 1999 Jeep Cherokee Sport 4.0L
Old: 1990 Firebird Formula WS6, 1991 Camaro RS, 1992 Nissan Stanza
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