would ceramic headers be better for my 91 honda civic over stainless steel headers?
Ceramics are better at heat dissipation (that's why the Porsche GT2 has ceramic brakes), but are going to be more expensive. Unless you have unlimited funding, go with stainless steel.
Here are literally thousands of organized woodworking projects in a members area and all you have to do is get them off your computer any time you want. Go here tr.im/LwCHb There are thousands of plans so decide which one you are going to tackle next. The choice is yours to make so just click on the proper button for the specific project and then they are right there for you to pick one. The diagrams and instructions will be right there in the computer for you to access at any time or if you prefer you can print them out.
While I agree with the other poster of the effects (or lack of) from using pressure treated lumber for a garden planter, I'm not going to blame the left conspiracy for it. Why politics needs to be brought into garden question is beyond me. While the possibility DOES exist for trace chemicals to be absorbed into the veggies you grow, the amounts would be well below the threshold needed to cause illness. You will be fine. Good luck.
Ceramic dissipates heat better.
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