Re: 1968 327 reubuild, vortec heads or not?
BTW, I did a search on your pistons and it looks like they are made by Sealed Power (310AP60) but I could not find any info on the size of the valve reliefs.
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'84 K10, SM465, NP208, 3.42 Gears, 33x12.5-15
GM 4 bolt 880 roller block, 062 Vortec Heads
Comp Cams XR258HR-10, MSD Street Fighter HEI
Edelbrock: Performer Intake 2116, 1405 Carb
Long tube headers, 2.5" duals to Flow Master Super 40's
Vortec Engine Build
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