There's really no reason to preheat the metal because of the cold. Even if its at 0°, you're only talking about maybe a 70° change from when it "isn't cold." Carbon steel melts around 2700°! A small change in base temp isn't going to effect the final result. Now cast is a whole other story.....
- Dave
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Please address private email -- email of interest to only one person -- directly to that person. That is, email your parts/car transactions and negotiations, as well as other personal messages, only to the intended recipient. Do not just press "reply" and send your email to everyone using the general '62-'65 Clubhouse public email address. This practice will protect your privacy, reduce the total volume of mail and fine-tune the content signal to Mopar topic. Thanks!