Which 360 Block to use: LA or Magnum?

nm9stheham said

All the above reasons tilt the field to the Magnum. But the LA has a certain appeal, being older.

I suspect much of the reduced bore wear is due to fuel injection.

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I agree......plus newer reformulated oils. Remember, those old LA engines, slants and big blocks never got the benefit from the ultra light 5w whatever for good oil dispersion on startup. Not to mention the modern additive packages!