Exhaust manifold question, and Happy Thanksgiving wishes…

[Plyrr471]

Hey guys, first of all Happy Thanksgiving to you and your families, hope you enjoy the day. Attached is a pic of my ‘71 RR exhaust manifolds which I’m currently restoring in prep of replacing the headers currently on the car. Top piece is as it was since it’s been sitting for the last 40+ yrs since I’ve owned the car. Bottom piece has been worked over with a wire wheel on a drill. Do I need to continue to brush the one I’ve started or is it prepped sufficiently for hi temp paint, like Eastwoods? Should I apply some Naval Jelly maybe?
Can you guys recommend a source for a gasket and oem, or similar, bolt, sleeve nut, stud and bolt kit kit? I see kits on ebay, but am curious as to what you guys are using. Thanks all, have a great day.

 

[dadsbee]

Blast them, then VHT primer and cast paint following baking instructions there after..

 

[Plyrr471]

Those look great. I’m without blasting cabinet, but I can run a gun as I have a compressor. I’m afraid to bake them in my kitchen over or on the gas grill as I use them to cook. I imagine curing them in the oven would foul it, no?

 

[MWbirdLOVER70]

I put mine on the car after applying and drying and started up and cured them

 

[dadsbee]

I keep an extra oven in my hangar.. just in case. Not to say I haven't used the house oven as well.. LOL

 

[NoCar2023]

From the factory, there are no gaskets between the head and manifold. I have great success using a little high-temperature silicone on a "straight" manifold.

 

[Plyrr471]

Thanks NoCar, I had no idea, but will still use one as it can’t hurt.

 

[NoCar2023]

Thanks NoCar, I had no idea, but will still use one as it can’t hurt.

Our Products - Exhaust - Exhaust Manifold Hardware

 

[Don Frelier]

Find a place locally and get them blasted.
Then paint as soon as possible

 

[Plyrr471]

Good am Don, I may just pick up a crap little sand blast gun from Harbor Freight and shoot them in the yard so I don’t have to worry about a cabinet. I’ve got a compressor so I’ve got that covered.

 

[68-500]

Honestly I don’t think its worth all the trouble to blast and prime them. Use your wire wheel to knock the flakey rust off and spray them with hi-temp. They will never be perfect after you start the engine the first time anyway.

 

[Plyrr471]

68-500, I get that but would hate to have to freshen them up in a few yrs.

 

[BigFlo]

The wire brush doesn’t get into the pitted areas but blasting does. I can still see rust in the pits in your picture, so that’s what you would be painting over. If you’re going to spend the time, blast them.

 

[RJ Squirrel]

I soaked mine in molasses solution, pressure washed, painted with hi temp and cured in kitchen oven. They look great after 4000 miles.
Another option is Slip Plate- there are reviews on here about it-

 

[69Bee]

Blast them, then VHT primer and cast paint following baking instructions there after..
View attachment 1954664View attachment 1954666View attachment 1954667
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iI really like that shop stove you have there in the second pic...

 

[Plyrr471]

I soaked mine in molasses solution, pressure washed, painted with hi temp and cured in kitchen oven. They look great after 4000 miles.
Another option is Slip Plate- there are reviews on here about it-

View attachment 1954949

No residual stink in the oven? I’d be afraid of it stinking up my food.

 

[rklewis1005]

I baked mine in the grill & it's fine. Put foil on the grill before heating it up and baking them.

I know folks have said the factory didn't use gaskets for the exhaust manifolds; however, do most people add them now? I'm getting ready to bolt them on soon and have gaskets as part of a engine rebuild kit.

 

[dadsbee]

iI really like that shop stove you have there in the second pic...

That was my Granma's parlour stove that she tossed when I was probably 5 and my Father had it in our basement for awhile, I grabbed it somewhere along the line. It's now in a marine container... thanks to insurance BS and my installing an oil furnace.

 

[Plyrr471]

I baked mine in the grill & it's fine. Put foil on the grill before heating it up and baking them.

I know folks have said the factory didn't use gaskets for the exhaust manifolds; however, do most people add them now? I'm getting ready to bolt them on soon and have gaskets as part of a engine rebuild kit.

I’ll be using them for certain.