240zprace Posted October 20, 2004 Share Posted October 20, 2004 is 18 gauge steel good for making turbo headers??? would it crack.... strenght???? Quote Link to comment Share on other sites More sharing options...
johnc Posted October 20, 2004 Share Posted October 20, 2004 What kind of steel? 1018, 1020, 4130, 6150, stainless? How are you going to weld it? Any kind of coating after? What temps do you expect to see? I've seen 18 ga 1020 steel headers last 5 years and I've seen them last 6 months. If you're worried, move up to 16 ga and then get them JetHot 2000 coated. Quote Link to comment Share on other sites More sharing options...
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