flat tappet, yes the heads will be machined..
this is just to get an idea of the cost for springs since pace vortec heads with steamholes are 285, while the zz5 vortec(machined and springs for .550 lift) and steam holes are 385 so I can save $200 I allready had a member offer me the use of his tools and some guidance..
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1984 Firebird
2000 Z28
2023 Tacoma
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