Extremely difficult. Different chassis layout.............
Yep. But they used to shoehorn in Chevy 350’s into little Vegas.
And the Ford Lightning is simply a regular 350 that now has a ‘frunk’ where an ICE should be.
Others have thought about this. I think that as more EV owners face a $30,000 battery replacement bill, they might wonder.
https://www.quora.com/Has-anyone-fitted-a-gas-engine-into-an-electric-vehicle