I want to check my original headlight vacuum hoses on my car for leaks. What's the best way to do this? Is it as simple as pulling the main hose at the intake manifold and pumping some air into it and seeing if it holds?
1969 Van Nuys RS Z/28. Protect-o-plate and chassis broadcast copy. Hugger Orange, original 711 interior, including carpet. Original drivetrain: DZ, M-20, 3:73 BO code peg leg. Flat hood, no spoilers.