Nickel rod in stick welder and CLEAN, CLEAN, CLEAN should do it. I don't know of any epoxies that will withstand exhaust manifold temperatures; perhaps furnace cement (only the black stuff is rated high enough) would work.
HTH, Donald. > From: "Steve Carter" <[EMAIL PROTECTED]> > Date: Tue, 17 Jun 2003 10:03:20 +0100 > > ----- Original Message ----- > From: "John T. Blair" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Monday, June 16, 2003 12:06 AM > Subject: Re: Exhaust manifold - welds vs epoxy? > > > As to welding the manifold. I'm no welder, but talking with many car > buddies > > at work, most manifold are cast iron. If so, they have to be handled a > > special way, you just can't start welding on it. I'm not sure about all > > the particulars, but one thing I seem to remember is that you had to > preheat > > the part before you can weld it. > > I know next-to-nothing about welding but from what little I *do* know: > wire-feed welders need different wires for different metals. I have a small > rig equipped for welding mild steel. I would need different wire to weld > aluminium. Looking at http://www.daytonamig.com/consuma.htm there is no > mention of cast iron, so that means you can either weld it with steel wire > or you can't weld it :-) The "preheating" idea doesn't ring true for me WRT > MIG welding, since MIG uses a high electrical current to cause a reaction > between the wire and the piece. I can imagine it's true for gas welding, > simply because a large heavy cast piece will act like a heatsink and make it > hard to get the working area up to temp. > > Hope that's useful, though not definitive! > > Steve /// [EMAIL PROTECTED] mailing list /// Send admin requests to [EMAIL PROTECTED] /// or try http://www.team.net/cgi-bin/majorcool /// Archives at http://www.team.net/archive /// Send list postings to [EMAIL PROTECTED] /// Edit your replies! If they include this trailer, they will NOT be sent.
