In article , Ed Huntress says...

And then you might go looking for other things. What might those be, Jim?

Mostly improved highways, improved tires, improved brakes.

The cars of 1960 are a *lot* different then the cars of 2000
in terms of handling. I think that a lot of the big Ford
Exploders and Lincoln navigators are basically built on
1960s vintage chassis, which is why one tends to see a lot
of them in the ditches around here, rolled over.

Seatbelts were *available* the late 60s. So you can
rule them out as the improvement, eh? GG

Jim


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