The Ford Barn

bergie · 02-10-2023, 05:50 PM

I took this intake off my engine because the flanges that position the generator bracket are broken. My question is about the two ports seen in the photo. I think I know what one of them is for, but rather than show my ignorance. I am asking for your input. While I am asking questions about the intake, a local flathead builder is a firm believer in using a phenolic (?) spacer between the intake and carburetor. So where is a good place to get one? Thanks, Bergie.

scicala · 02-10-2023, 06:07 PM

Quote:

Originally Posted by bergie

I took this intake off my engine because the flanges that position the generator bracket are broken. My question is about the two ports seen in the photo. I think I know what one of them is for, but rather than show my ignorance. I am asking for your input. While I am asking questions about the intake, a local flathead builder is a firm believer in using a phenolic (?) spacer between the intake and carburetor. So where is a good place to get one? Thanks, Bergie.

I've seen plenty of phenolic and aluminum carb spacers on EBAY.
All types and thickneses.

Sal

petehoovie · 02-10-2023, 06:29 PM

Quote:

Originally Posted by bergie

I took this intake off my engine because the flanges that position the generator bracket are broken. My question is about the two ports seen in the photo. I think I know what one of them is for, but rather than show my ignorance. I am asking for your input. While I am asking questions about the intake, a local flathead builder is a firm believer in using a phenolic (?) spacer between the intake and carburetor. So where is a good place to get one? Thanks, Bergie.

Bored&Stroked · 02-10-2023, 08:03 PM

It is obviously a later manifold, am wondering if Ford's automatic transmission needed a vacuum source? That is a pretty big port, and I don't believe they had power brakes at that point in time - so I'm pondering an auto-trans?

Who knows the answer?

alanwoodieman · 02-10-2023, 09:12 PM

manifold also used in trucks 8rt, which required a large vacuum port for the two speed rear gear changer and sometimes a booster for brakes. other port is for wiper motor, remember this maniflod came equipped with a carb with a vacuum port located on cab for the load o matic distributor

bbrocksr · 02-10-2023, 10:50 PM

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Quote:

Originally Posted by Bored&Stroked

It is obviously a later manifold, am wondering if Ford's automatic transmission needed a vacuum source? That is a pretty big port, and I don't believe they had power brakes at that point in time - so I'm pondering an auto-trans?

Who knows the answer?

No vacuum on the early Ford automatic.
Bill

flatford8 · 02-11-2023, 04:43 AM

The phenolic spacer can be had from Bob [email protected] (610) 933-6637
Comes with three longer studs and two gaskets. IIRC around $20. He also has the fuel line from the firewall to the pump and thermostats. He advertises in the V8 Times. Nice people to deal with........Mark

Gene1949 · 02-11-2023, 09:40 AM

Quote:

Originally Posted by bergie

While I am asking questions about the intake, a local flathead builder is a firm believer in using a phenolic (?) spacer between the intake and carburetor.

Absolutely on the spacer. I have a 1 and 1/8th under my 4GC on a relatively stock Merc. I started out with the ½” phenolic and added a ½” aluminum later. Seems more responsive and maybe a little more torquey (sp).

SoCalCoupe · 02-11-2023, 03:17 PM

Quote:

Originally Posted by alanwoodieman

manifold also used in trucks 8rt, which required a large vacuum port for the two speed rear gear changer and sometimes a booster for brakes. other port is for wiper motor, remember this maniflod came equipped with a carb with a vacuum port located on cab for the load o matic distributor

Ditto on the wiper motor. Looks like the right size port not only for a truck rear end but for a Columbia rear end too. Here's a picture of a Columbia rear end vacuum plate from an old advertisement on the H.A.M.B.

bergie · 02-11-2023, 07:45 PM

Thanks for everyone’s input. It was important to me to get a idea of what the larger port might be for because the manifold I put on my engine doesn’t have it. I was honored today to be invited to join a coffee klatch of ten flathead enthusiasts discussing their flathead building/driving experiences. At 72, I was the second youngest and absolutely the least experienced. What a hoot! Besides what has been already mentioned, the group suggested the possibility someone had a PVC setup. The takeaway for me was that I don’t need that port. Thanks, again to everyone, Bergie.

02-10-2023, 08:03 PM	#4
Bored&Stroked Senior Member Join Date: Jan 2011 Location: Central Ohio Posts: 5,070	Re: Intake questions It is obviously a later manifold, am wondering if Ford's automatic transmission needed a vacuum source? That is a pretty big port, and I don't believe they had power brakes at that point in time - so I'm pondering an auto-trans? Who knows the answer?

02-10-2023, 09:12 PM	#5
alanwoodieman Senior Member Join Date: May 2010 Location: upstate SC Posts: 2,964	Re: Intake questions manifold also used in trucks 8rt, which required a large vacuum port for the two speed rear gear changer and sometimes a booster for brakes. other port is for wiper motor, remember this maniflod came equipped with a carb with a vacuum port located on cab for the load o matic distributor

02-11-2023, 04:43 AM	#7
flatford8 Senior Member Join Date: Jan 2012 Location: Lyman,ME. Posts: 2,630	Re: Intake questions The phenolic spacer can be had from Bob [email protected] (610) 933-6637 Comes with three longer studs and two gaskets. IIRC around $20. He also has the fuel line from the firewall to the pump and thermostats. He advertises in the V8 Times. Nice people to deal with........Mark __________________ I'm thinkin' about crankin' My ragged ol' truck up and haulin' myself into town. Billy Joe Shaver

02-11-2023, 07:45 PM	#10
bergie Member Join Date: Jun 2011 Location: Norwalk,Iowa Posts: 50	Re: Intake questions Thanks for everyone’s input. It was important to me to get a idea of what the larger port might be for because the manifold I put on my engine doesn’t have it. I was honored today to be invited to join a coffee klatch of ten flathead enthusiasts discussing their flathead building/driving experiences. At 72, I was the second youngest and absolutely the least experienced. What a hoot! Besides what has been already mentioned, the group suggested the possibility someone had a PVC setup. The takeaway for me was that I don’t need that port. Thanks, again to everyone, Bergie.