Bsmith wrote:What's the mainfold go on? 600 can be at idle. 1500 at peak boost.

I believe a dodge neon? But don't quote me. Lol. You get what I'm getting at though? 1500 degreed for how long? Cooled, cycled like this how many times? Has to have an effect on the weld I feel.

It is magnetic. Not as magnetic as say.. my weld table. A magnet takes more force to pull away from the table than the manifold. It may be cast iron, but damn. I've welded cast iron before, they were stainless flange to cast iron though. In which case I just walked the clean stainless into my preppe...

There's a shot from the other side. The filler wire is 308.

Difficult to get that to show up in a pic. I know the weld looks atrocious. Believe me, that's not an example of my norm haha.

I'll snap a picture of it when I get out to the shop today. It's stainless rod I've been using,don't remember the number though. As far as cracking goes, and drilling the end. Unfortunately that's almost an impossibility for the location of the crack. I "v"d with a hand file as deep as I c...

Hey all, first time poster here. 5 year welder/fabricator. All self taught. Had a project come to me, it's an exhaust manifold, constructed of cast stainless steel. I've attempted twice now to weld a crack shut. I've cleaned "v"d, wire brushed it. The only thing I have not done is preheat ...