What has anyone found to be the best exhaust manifold treatment on or off the car? If the answer involves glass beading etc., I do not have a cabinet so I guess sending them out would be necessary. What products have given the best results. This is far from a car to be judged but the under hood appearance is what I'm after. Thanks to all responces...............Bill #20328
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Re: Exhaust Manifold Treatment
I have had excellent results with Eastwood's dressing, but it does work best with a very clean surface. In about 1991 I put it on the manifolds of my daily driver, after beading. I put the car in storage 5 years ago, the coating is starting to go bad now. More expensive treatments, such as Jet-Hot, last pretty much forever, but cost a lot more. -
Re: Exhaust Manifold Treatment
Bill, I have had very good results with just treating the exhaust manifolds with PreLube 6 from Quanta Products. I started out with very nice manifolds with one small area of light surface rust. I used a brass bristle brush (looks like a tooth brush) to clean the rust up and then sprayed the PreLube 6 on liberally and let it soak. Once it had been on for 15 minutes or so, I fired up the engine and let it burn off. Be careful and only do this outdoors as it will smoke a lot. This stuff is like an industrial version of WD-40 and is thicker. Others on this board have said that it shouldn't provide any protection once it burns off. I don't know why it works or how it works but it lasts almost the entire year before another squirting is required. No painted look, no "calyx dressing" look, just raw cast iron. Patrick Hulst turned me on to this stuff.
Gary SchislerComment
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Re: Exhaust Manifold Treatment
Bill
If you are not going to have your car NCRS Flight Judged then Jet Hot is the way to go. The cost is not prohibitive (depending on your point of wiew). They look great and will last a long time. I had mine done this way about 5 years ago. I didn't want to have to keep screwing with them. I've had the car flight judged and have only lost a point or two. It's worth it to only have to do the job once.
Regards,
GeorgeComment
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Re: Exhaust Manifold Treatment
I started with the manifold dressing everyone sells and it promptly came off in patches. It looked horrible. So I reblasted them and used a chisel to knock off all the old dressing and rust spots, then painted them with a very light coat of vht gray paint. 3000 miles later they still look good. Yes its wrong but I would rather loose points than look at the rust.
BillComment
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Re: Exhaust Manifold Treatment
Bill:
I've been very pleased with the results of Stove Bright stove paint. It comes in several colors, but Charcoal #6201 is my personal favorite. It is a dull dark gray finish, and has lasted without any care whatsoever on my '64 Chevelle for 5 years, and on my '65 Corvette for a year.
Prep was easy. I cleaned the manifolds of surface rust with a wire brush, applied a grease removing solvent, and painted them. Nothing more has been done to the manifolds on either car.
Most hardware stores carry Stove Bright in the spray paint aisle. Costs about $7 per can.
Correct? No. Close? Yes.
MarkComment
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Re: Exhaust Manifold Treatment
What happened to the old tried and true ATF and bake in the oven. Did everyone become afraid of the Mrs. when you smoked up the kitchen Seriously, it looked as good as any treatment that I have seen.Dick WhittingtonComment
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Re: Exhaust Manifold Treatment
There is a product called "EMT", Exhaust Manifold Treatment that is sold by McGee's Corvette Connection in Lebanon Tennessee (615 444 2182) that works very well. Brush off your manifold with a wire brush or bead blast the manifold and then "spray" EMT on your manifold. Wipe the manifold with the local newspaper, yes newspaper, and install. Looks like cast iron, last VERY well, touch up once every 2 years and go!
As crazy as it sounds this stuff works very well and looks natural!
Mike Strinich
#11202Comment
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Re: Exhaust Manifold Treatment
I had mine Jet Hot coated cast iron grey. They look good but the color is too light and the coating affects the cast iron porosity. I had to do mine because of a repair. There was a post here a week or so back on the same subject and several mentioned Jerry McNeish, he is well known for his cast iron manifold restoration as well as several other services. John Hinckley posted a nice picture of how his turned out. Very natural.Comment
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After treatment
Here's a link to the picture of John's manifolds after treatment.
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