What thickness metal is best for partially blocking off the heat passage between the intake and the heat?

I tried to search this and I guess I wasn't using the right words

Thanks


54 Victoria 312;  48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ

Don't know the thickness but the T-Bird parts dealers sell intake manifold gaskets supplied with the metal exhaust restrictors if you aren't aware that they do. Hill's, CASCO,..etc. has them.

I used thin Aluminum to complete block Passage. You can't use too thick or the Manifold won't seal to Head. If You are taking out the Heat Riser You won't get really high Temperature Air trying to go through Passage.Thin Metal should be fine.

  

you can buy intake manifold gaskets with the holes partly blocked, Concourse has them and many other suppiers. 

I know about the gaskets and have a set but also have some gaskets with the regular size hole and want to use them up so I asked the question

Again, got a thickness that is ok?


54 Victoria 312;  48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ

I've used both tin cans and aluminum cans to make block offs. I've even seen some stuffed with a ball of aluminum foil.

Y's guys rule!
Looking for McCullouch VS57 brackets and parts. Also looking for 28 Chrysler series 72 parts. And early Hemi parts.

MoonShadow, 292 w/McCulloch, 28 Chrysler Roadster, 354 Hemi)
Manchester, New Hampshire

I use  some thin stainless steel material that I had laying around. Doesn't neet to be very thick. I think an aluminum beer can would be a little too thin. As stated you don't want it to be very thick or it won't seal right .

If you still have the exhaust flapper on the passenger side you may want to wire it open. With the crossover blocked it can rattle. Intakes like a little heat so I used the truck gaskets and wired my flapper open. Also keeps the passenger side from having so much condensation water. Good Luck.

56 Vic, B'Ville 200 MPH Club Member, So Cal.

I did not block mine and I wish I had. The center area of the manifold gets 200-220deg.  Will this damage the motor? 

It shouldn't damage the motor.  It may burn off the paint in that area.


Lawrenceville, GA