Stop in for a cup of coffee

WV64Signet said

I've seen bits and pieces about 440 motors in the early 70's being different from prior years.... also the whole "motorhome.440"

What's the deal you BB guys?

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There’s also a myth about the block walls being thinner, which technically is true, they’re .004 thinner. However, they have extra webbing on the mains and they’ve been heavily tested to actually be stronger than the earlier car and truck blocks.