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This was my first engine rebuild with minor modifications nothing major.
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1998 Chevy M VIN Mali LS with 99 Olds J VIN 3100 Swap
Sealed power skirted hyperuetectic pistons, LS6 Valve springs, Manley keepers and retainers, Custom short ram, header back, Tuning by Performance Dyno, 3400 TB, MSD Coils and wires, A/C Delete, Gasket matched heads and intake manifolds, 180 hypertech stat, Cat delete, 2 1/2" header back.