The older blocks are tougher than almost anything made today. I believe it is the larger amount of nickel content in the metal they used pre-75. But remember the trade-off's. 1)They weigh more and 2) a roller cam/lifter kit is needed if you want a roller setup. and the kit is expensive!
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Just need the sticker!
Red 1993 GT
1969 351 block w/393 stroker. Edlebrock Performer heads and Performer RPM EFI, FRPP 30lb injectors & Cartech fuel system. JMS chip & MSD ignition.
Dynamic Roller Myte C4, 8 pt cage, Sothside Machine bars & Sub-frames, adj. upper's, 3.73's, Koni rear shocks
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