Kblake Posted August 12, 2022 Share Posted August 12, 2022 Can anyone recommend someone to weld a cracked cast iron exhaust manifold? I've been unlucky finding anyone locally that will heat weld cast iron. It is for a 1932 Dodge Brothers DK-8 and the supply of replacement DK-8 manifolds have seemed to have dried up. Thanks, Kyle Link to comment Share on other sites More sharing options...
Kblake Posted August 12, 2022 Author Share Posted August 12, 2022 The offending crack. Link to comment Share on other sites More sharing options...
Mark Shaw Posted August 12, 2022 Share Posted August 12, 2022 I have two here in the Northwest. One north of Seattle and one in Vancouver, WA. Let me know if you strike out back east. Link to comment Share on other sites More sharing options...
Paul S Posted August 12, 2022 Share Posted August 12, 2022 I have done it, and I am not to far away from you. is it cracked or completely broken off ?? Link to comment Share on other sites More sharing options...
Kblake Posted August 12, 2022 Author Share Posted August 12, 2022 35 minutes ago, Paul S said: I have done it, and I am not to far away from you. is it cracked or completely broken off ?? Just cracked from what I've seen so far. Kyle Link to comment Share on other sites More sharing options...
Dave39MD Posted August 12, 2022 Share Posted August 12, 2022 Paul S did a beautiful job on my straight 8 exhaust manifold. Dave 2 Link to comment Share on other sites More sharing options...
DFeeney Posted August 12, 2022 Share Posted August 12, 2022 I believe the DK-8 Dodge engine in 1930 was from the Chrysler CD-8 family. Therefore I would try to find a CD-8 manifold. As time went by these manifolds burnout from the inside and become thinner. Any thing that heats and cools is going to have problems. When you get finished with your manifold have it surface milled for flatness. As you mentioned manifolds are hard to find. Try the forum member Gunsmoke who has CD-8 spares and is quite knowledgeable. Good Luck. Link to comment Share on other sites More sharing options...
Mike "Hubbie" Stearns Posted August 12, 2022 Share Posted August 12, 2022 Don’t weld it lock stitch it. Mike Link to comment Share on other sites More sharing options...
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