Thanks for all the comments.

Concerning the wipers, yes, they are vacuum. They work fine idling with no rain. I'll have to get back to you about driving in the rain.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.