I don't know of a gas engine based on a Detroit Diesel?

GM / Detroit did make a 6-110, that's an in line 6 cylinder. I am almost certain that it was only available as a 6 cylinder, and not a 4. Not sure what a 4L110 is?

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-