273 is it good engine?

Paul King said

We had a friend with a Valiant 273 hipo with a 3 speed stick on the column and for some reason it
was crazy fast .

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My first car was a 65 Dart 270 post car with a HP 273 and a 3 on the tree. It was fast (or so I thought at 16) Now I find out there were only a hand full made with that combo.