70’ LS6 from a Chevelle, 454/450HP, Is just finished rebuilding, Clevite’s, Steel Crank I/B, LS6 Heads, Hooker LT’s, etc, break one with Edelbrock AVS, Victor Jr intake with a Holley 850DP, Pulled the LS-6, Built a 4 Bolt 532 with a Dart Block to keep an original LS6!