Anyone install better quality intake manifold gaskets?

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Update, just painted my replacement intake with Bill Hirsch Cadillac Dark Blue paint. Love this stuff, so rich & thick. They said I would have to wait 2 weeks until the paint cures, no biggie ! 

another up date, waited two weeks after painting the intake to install as I was told to do. Got off work early so I put her in, running like a champ, purring like a kitten.

if you look at the pic I posted on 10/11/2017 you can see a threaded hole on the top right side of the intake manifold, the one on the bottom right it a vacuum port for my AC system, the brake manifold connects to a port on the bottom of may carb. Both Jason & Russ have advised me to just plug it so I have. But I would like to know if anyone else has one on their intake manifold & what it's for ?

That looks great Joe. Two thumbs up on your work. I'll try and remember to check my manifold tomorrow. But I believe mine only has the closer one with the vacuum tee screwed into it.

I think that is a pathway for exhaust gasses to warm up the bottom of the carb to aid in cold start. Only the original carbs benefit from this I think. 

  • no, that's on the bottom of the intake manifold, it also warms the air used by the choke.

I was curious why the fast idle diaphragm was positioned forward as opposed to what's fitted in my car. So had to look up the manual. You have a Rochester carburetor. I didn't know about this.

Rochester 4GC Carburetor:

Carter AFB Carburetor:

Let us know how the paint holds up on the exh runners of the intake manifold.  2 weeks is a long time to wait on paint, but if you have a spare to paint while you drive the car, it would be OK.

There is an expression if something is really boring; "Its like watching paint dry"

Joe I do not have that port opening on my intake. My block is a '65 though so it may also be a 65 intake.

i installed the Felpro Gaskets (MS8931SH1) about a year ago and it sucks air now!

have to remove the Intake again and replace the gaskets with the ones from Best.

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