• Feb 24, 2009 · Use a large welding tip and flux coated brazing rod, and as you heat the area to a dull red, bring the brazing rod into the flame and let it melt and flow onto the cast. You don't want to melt the cast iron, just get it red enough so that the brass and flux melts into it and coats it. •In this case do not braze it...The temps involved with an exhaust manifold are too high for the braze to stand, long term. BTW, I never had long term sucess with brazed exhaust manifolds (maybe I am the problem).•Nov 26, 2020 · Face it they all have command issues. I knew about the exhaust manifold cracking and at purchase I had checked the manifold. After driving 1000 miles we lost the V band on the turbo so I went into the engine compartment to fix that and noticed the manifold crack in the same spot they all seem to do. It was between 3&4 cylinders.

    If you look carefully you'll see the cut line through the flange, pipe and the brazing. The two halves were then positioned around the pipe and 3/8" bolts were installed through the halves to bring it back to its original shape. It is ready to now install, and bolt up to the manifold.

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  • Application Guidelines for Aerosol High Temp Exhaust Manifold Coatings. When you apply these and most paint coatings there are a few things to keep in mind. Paint forms a mechanical bond to the...•Jul 24, 2010 · I slid it from the inside until it was flush with the outside of the mounting plate. I then took a standard propane torch with MAPP gas and heated it cherry red and brazed it with a brazing rod I got from the hardware store. I cut the rod off flush with the end of the 1/2" tube that inserted into the exhaust manifold.

    Cheap Exhaust & Exhaust Systems, Buy Quality Automobiles & Motorcycles Directly from China Suppliers:Useful Incombustible Turbo Manifold Insulating Exhaust Header Wrap Tape Thermal...

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  • Find your brazing machine easily amongst the 84 products from the leading brands (Miyachi, VIRAX, Fusion Incorporated, ...) on DirectIndustry, the industry specialist for your professional purchases. •Brazing cast iron is easier but questionable for an exhaust manifold, seeing that the manifold can get hot enough to weaken the braze joint, causing you work to "fall apart". (most brazing filler rods melt in the 1300 to 1500 (fahrenheit) temp. range) •Found 1 exhaust manifold bolt snapped, looks like it happened on original assembly, rust had formed at the breaking point. Just running with 1 less bolt now. Sound is interesting, definatly noticing a bit of an empty can sound but it isnt really bad or anything. I also installed my MBRP SS exhaust so needless to say, the sound is completely ...

    Jun 21, 2012 · If you're talking about removing the unbroken studs I've had decent luck on antique tractors just running the engine till it gets good & warm then gently working the bolts out. We use to have a 9230 that had an appetite for breaking exhaust manifold bolts. I called the local CIH dealer & he sent a mechanic down to remove the manifold.

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  • Answer: For you to clamp an exhaust follow the following steps: Put on your safety gear (safety goggles, work gloves) Disassemble the old clamp by loosening it Remove the HEX nuts from U-bolt Put the saddle on the exhaust pipe but do not tighten the HEX nuts; Apply a pressure on the exhaust pipe connection to ensure the connection is fully seated •Heat the manifold in an oven to get it uniformly hot and dried out and immediately braze the notch you carved all along the crack. Put it back in the hot oven to cool a little slower, and then check it out about an hour later.

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Jun 21, 2009 · brazing would definitely not work.. brazing isn't actually welding.. its more of a capillary attraction effect, just like when two pieces of glass get water in between then, cant pull them apart.. and brazing is done with oxy/ace which is way way way to hot for the 1 million gauge those manifolds are made out of..

A performance exhaust manifold, like the aFe BladeRunner Exhaust Manifold, wakes up your street machine with high-flow ductile iron or 304 stainless steel castings. This boosts your low-end grunt for...

Cast Iron Exhaust Manifold Vs. Cast Steel Exhaust Manifold. You have had your truck for many years now and during routine maintenance of your vehicle you realize that your exhaust manifold is leaking. Let's say it's at a point where you can't repair the leak, which means you have to replace it.

Jan 02, 2006 · My '93 'Kick 2-pipe exhaust manifold had a NASTY crack between #3 and #4. I thought of wire-welding it shut, but decided to install the next-generation manifold. Unfortunately, I had to rig an adapter to connect it back to the previous-generation exhaust system at the bottom.

High Temperature Materials for Exhaust Manifolds(STABILIZED Dec 2017) J2515_201712 A subcommittee within SAE ISTC Division 35 has written this report to provide automotive engineers and designers a basic understanding of the design considerations and high temperature material availability for exhaust manifold use.

2 days ago · One of the first things you learn about exhaust pipe welding is that stick welders are not suited for the task. However, it is not impossible to weld exhaust pipe using a stick welder. Stick welding exhaust will require some bit of ingenuity. First is knowing what kind of rod to use. The 6011 rod is the best for the job.

Jun 21, 2012 · If you're talking about removing the unbroken studs I've had decent luck on antique tractors just running the engine till it gets good & warm then gently working the bolts out. We use to have a 9230 that had an appetite for breaking exhaust manifold bolts. I called the local CIH dealer & he sent a mechanic down to remove the manifold.

May 21, 2018 · As for the manifold if you have the means and skill to weld or braze it up go for it but keep in mind it may warp some and need to be resurfaced in some way to get it flat again. A good bench type belt sander might do the trick. Another option is: https://www.dieselpartsdirect.com/3901223 Claims to be "Genuine Cummins" new manifold for $200.00

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Brazing cast iron is easier but questionable for an exhaust manifold, seeing that the manifold can get hot enough to weaken the braze joint, causing you work to "fall apart". (most brazing filler rods melt in the 1300 to 1500 (fahrenheit) temp. range)

Feb 26, 2012 · Has anyone had durability issues with brazing small cracks? 02-21-2012, 05:02 PM #5. ... 1989 OMC exhaust manifold If it's cracked it's no good! Chris

Genuine Minning Drilling Engineering Diesel Engine K38 3630257 Exhaust Manifold For Cummins ... cummins intake manifold, brazing manifold, ...

here is another option since I have seen brazing melt through in the exhaust ports.... they sell a castiron welding rod for torch welding that requires a special flux.. you have to cheal the head throughly where the problem area is and remove all of the other material or contamination when it is cleaned you will want a hole or small gap 1/16 or so wide or the size of the bb like you said the ...

Aug 30, 2010 · Hi all. Setting off this morning we realised that there was a hole in the exhaust manifold/elbow (about 10 mm x 4mm) and so had to head back in :-( Has anybody had experience in fixing similar with a high temp epoxy putty? Its either that or trying to get somebody to braze/weld the thing. Cheers

I finally got the exhaust manifold off the '88 Accord that I'm rebuilding. I'm noticing, however, that most of the holes the studs were in are stripped bad enough that I'm expecting I won't be able to tighten the manifold down tightly enough when I'm ready to.

Quality Work. Below is an example of the excellent work done by Antique & Classic Casting Rebuilders. The first image is of a block that had freeze cracks on one side (and someone had tried to weld it with an arc welder and then braze over the arc weld).

Industries . Fontargen Brazing is the international Partner for these main industries: Automotive – copper wires for MIG- and laser brazing on the car body and copper and nickel pastes as well as copper preforms for brazing on the powertrain for applications such as torque converters for modern gear boxes, new EGR-cooler systems and high-pressure fuel-direct systems.

I have a new crack in my exhaust manifold, 68 289. ... I've had good luck fixing them with an oxy/acetylene torch and brazing rod. 1998 5.0, fitech efi, holley in ...

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Nov 07, 2015 · We were recently told by our mechanic that the manifold has a small crack in it. He says it isn't too bad now and Cracked manifold (auto, exhaust, buy, engine) - Automotive -Sports cars, sedans, coupes, SUVs, trucks, motorcycles, tickets, dealers, repairs, gasoline, drivers...

Apr 24, 2016 · Seems like it is possible to weld cast with special rods now. Did remind me that a lot of time, brazing an manifold would eventually crack again due to stress unless done absolutely 100% right and even that's not guaranteed.

Nov 26, 2020 · Face it they all have command issues. I knew about the exhaust manifold cracking and at purchase I had checked the manifold. After driving 1000 miles we lost the V band on the turbo so I went into the engine compartment to fix that and noticed the manifold crack in the same spot they all seem to do. It was between 3&4 cylinders.

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On one of my exhaust manifolds, the front face that bolts up to the head has rust pit marks on it. Similar to body work can I fill in the pit marks using a MIG weld and smooth them out with a file or will they not stick as the manifold is a casting. If not is there an alternative. CHAIN CONTAINER ASSEMBLY

Do not braze up and re-cut threads. It will have problems with the brass nut at manifold high temps. I believe arc welded nickel rod will work well, but it takes a really good welder to do it and the manifold has to be heated near cherry red before welding and then cooled slowly after. Manifolds tend to break after welding of any kind. Some said the exhaust note sounded better with the port divider, while others said it was better without. Therefore one would assume that the exhaust note is much more dependant on the type of exhaust system (single or dual), the use of headers, type of mufflers, compression ratio, cam profile, and so on. Nov 26, 2004 · I am welder learning the ropes as I go. I was curious as to what would be the best way to repair a cast iron exhaust manifold for a turbocharged car. I have had experience brazing cast and have never had a problem, but a few people have questioned me about the high temp of the manifold being a problem.