Nitro RC Engine and Exhaust pipe Powdercoat disassembly and reassembly tear down powder coat coating

I wanted to protect my unfinished aluminum on my nitro RC engine. I'm not worried about the anodized stuff. Anodized aluminum is corrosion resistant. I had to completely tear the block down to powder coat the block. Engine looks pretty good. Powder coat is the only way to go. Below is the powder coating machine I used.

https://www.amazon.com/gp/product/B006ZBCZNS/ref=as_li_tl?ie=UTF8&tag=fintechcomm0f-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B006ZBCZNS&linkId=cfc3cc4899bd4205fe25f7a99a99f41b