After the first burn, it should be pretty alright. No worse than me welding galvanized in the shop all day back in high school... I figured I'd leave the shop well ventilated while i did the first test burn while it burns off any shit. Plan to keep my eyes on the duct temp as well.Please do yourself a favor.... At least use single wall chimney pipe....not galvanized duct.... Especially if you plan on trying coal.
Looking good. The hydroboost master cylinder looks like a must.
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