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This is the place where the majority of the warbird (aircraft that have survived military service) discussions will take place. Specialized forums may be added in the new future
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First time hearing a V-3420

Sun Aug 31, 2025 5:23 pm

I stumbled across a YouTube channel for a hotrod project with an old V-3420 engine. I don't know much about the project, but they have gotten it started. I'm looking forward to hearing it running in better tune.

https://www.youtube.com/shorts/TY8SjnkI0FY

https://www.youtube.com/shorts/iHppx80PnNM

Re: First time hearing a V-3420

Sun Aug 31, 2025 6:05 pm

Wow!
That's got to be super rare.

Re: First time hearing a V-3420

Mon Sep 01, 2025 4:14 am

Interesting to see the twin output shafts in that second video. Was there not a single propshaft or is this a modification? It almost looks as if the two halves are not mechanically connected.

Re: First time hearing a V-3420

Mon Sep 01, 2025 10:18 am

Wow. Thanks so much for posting this. We saw one in the museum in Olympia back in 2004 but I never imagined we'd see one running.

Re: First time hearing a V-3420

Mon Sep 01, 2025 8:18 pm

Archer wrote:Interesting to see the twin output shafts in that second video. Was there not a single propshaft or is this a modification? It almost looks as if the two halves are not mechanically connected.


It looks original compared to museum examples. I know that the engines on the twin DB-610 could be ran independently so perhaps the 3420 can as well.
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