Project FD RX7 Restomod: Part 5 – Dry Ice Blasting Restoration

FD RX-7 ac compressor dry ice blast restoration cleanedDecades of dirt and grime are literally blasted away by the dry ice particles.

Dry Ice Blasting Boeing Aviation PartsUsing dry ice to restore surfaces is not a new concept.  Boeing first started using dry ice to clean components without disassembling them over 20 years ago.

Dry ice blasting restoration woodA decade ago, I saw a documentary where dry ice was being used to lift decades of buildup caused by air pollution, cigarette smoke, and grime from priceless paintings at the Louvre.  This process is so effective and gentle, that it is used by conservationists around the world to bring back historical artifacts to paintings, books, statues, antiques, and wood surfaces.  By comparison, for a car; ensuring there is no damage to plastic connectors, gaskets, labels, and electrical tape-covered OEM harnesses is easy.

However, not all places that offer dry ice blasting services are the same.  The final result will come down to the experience of the operator and their blend of pressure and technique, which can either be too gentle, ineffective, and take longer to clean, or it can be too aggressive and remove protective undercoatings, engine bay labels, and even paint!

Project FD RX-7 dry ice blast ac compressor

The transformation of our FD RX-7’s air conditioning compressor was drastic.  Every nook and cranny is perfectly clean, and the plastic wires and connectors look brand new.


  1. Billy, this is one of the most awesome things I have yet to see. I would like to try this before starting a major job, during, and after! I want to buy one of these rigs but I realize that the air drying and handling parts of it are more expensive than the blaster itself.

    1. Yes. I use these from time to time cleaning the molds in blowmolding and injection molding for plastics. They do an incredible job, but I think our cheapest machine costs about 25k.

  2. Dry ice blasting came up on an episode of The Smoking Tire Podcast and someone mentioned that the going rate was $300 / hour!

  3. So what package did you go for and how much did you pay? I have been subscribed to his channel for a long time and I saw that video when it came out but I had no idea it was yours!

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