The Ford Barn - 1939 Intake Manifold Vacuum Fittings

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Joe KCMO

09-20-2011 09:23 AM

1939 Intake Manifold Vacuum Fittings

Does anyone know the size of the fittings that screw into the vacuum holes in a 1939 intake manifold(I believe these are the same for 32 to 38 as well). There are two threaded holes next to the intake runners. One near the third runner from the front for the distributor and one near the third runner from the back for the windshield wiper. These are on the drivers side. Thank you for any help in identifying the size and possible purchase place.

Bruce Lancaster

09-20-2011 03:41 PM

Re: 1939 Intake Manifold Vacuum Fittings

I believe these are/were special Weatherheads that worked like a compression fitting pinching in on the tube when tightened...I have the number in an ancient catalog but would be surprised if they are still available. Something odd lik 3/16"
I think Nacewicz can supply repros.

ken ct

09-24-2011 04:31 PM

Re: 1939 Intake Manifold Vacuum Fittings

Quote:

Originally Posted by Joe KCMO (Post 276295)

I have a couple of the fittings but no tubing. You could use soft copper tubing, [These are nos.] ones. ken ct pm or email.

Kube	09-24-2011 05:53 PM

Re: 1939 Intake Manifold Vacuum Fittings

Quote:

Originally Posted by Joe KCMO (Post 276295)

The compression nut was in fact special to Fords specs. It was 3/8-24 thread. The tubing was 3/16".
I can send you a photo if desired.
Mike

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