[TalBlack]

“…specifically configured for them…”

One of the crew mentioned that and I thought I heard wrong. It sounded expensive foe a few antique aircraft. My original question involved the circumstances in which boost was used.

[Charles Martel]

It was CAF working with some west coast radial engine specialty shop that came up with the plan, which was probably already proven by some of the Reno Air Races engine builders.

The Wright R-3350 variants continued to evolve and improve through the Vietnam era. The '60s engines used in the AC-119K Flying Boxcar gunship and the A-1 Skyraider are still available in reasonable numbers. Parts from those versions are combined to make an updated R-3350 that fits the B-29 engine nacelles and cowlings.

I forget exactly how much the Cavanaugh Museum people raised for the project, but it was *very* expensive.