Windshield wiper ideas

[ETAModel]

Thanks for the quick response Herb. IIRC it does have 4 holes. Many years ago my brother had a car with a vacuum system. I was young but as I recall he didn't have much good to say about it. But he had a lead foot and that caused most of his problems.

So the motor mounts on the outside? Interesting. Where was the vacuum line route from the gas motor to the wiper motor?

How dependable/durable are the reproductions?

Again thanks.