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If you use a rubber heater hose it can collapse, sure.
If you use an "aeroquip" type -10, braided stainless fabric ovewr rubber, no it will not.
It is actually an easier installation to use about 48" long of tubing with hose on either end.

There is already a provision in the chassis, bulkheads, for the tube to run through and be supported just like the radiator tubes are.

Hose of the same size is larger OD then the tube because 5/8" hose is 5/8" ID, inside diameter.
Tube size is designated by the OD of the tube. Pipe, which we are not talking about here is designated by the size of the hole in the pipe, ID.

Almost all automotive applications are tube size, including exhaust tubing.

Hose is intended to fit over tubing, not pipe. Therefore the inside diameter of a 5/8 hose will be 5/8" (+/-). The OD of a 5/8" hose is going to be around 1". Therefore it isn't going to fit through the holes provided by Detomaso through the bulheads for 5/8" tube.

On A/N hose (army/navy) sizes are designated in dash sizes. Every dash increment is equal to 1/16". A dash size such as a -10 is stating that the hose is 10/16" or 5/8"

When someone says use a -10 hose it is an A/N specification hose 5/8" inside diameter.

I hope this helps, even though it might not have been what you are asking for.
This really is great info to at least understand what A/N stands for and the sizes of hoses and tubes! Thanks. Of course I still have questions. The hole under the car is for a 5/8" tube.Meaning the I.D.is smaller. To that I can attach a 5/8" hose. Meaning 5/8" I.D. Is that a little large for the hose end? I have fittings from the intake and the booster side that will accept 3/8" hose so I should use 5 feet of 3/8" tube as a hard line under the car? Is that too small I.D.? TIA
3/8 is probably ok. It's just for the brakes.
I used 5/8" od ss tube and -10 Russell ss hose.
I believe that the factory banjo on the booster is for 5/8 hose (inside diameter).
By process of elimination the intake fitting must be for 5/8" hose also.
Since I never had the original intake manifold on this car, it was an Edelbrock when I first got it, and it has Webers on it now. I don't know what the original factory connection looked like.
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