1963 thunderbird 390 engine replacement?
I would guess about 15, but that is just a guess.
To do one correctly as far as cleaning it up, painting, heads milled, and everything, you are looking at at least 40 hours or more typically a week maybe week and a half. That is considering hooking up all the a/c lines and getting everything ready to crank and drive.
He said engine replacement and mentioned nothing about rebuilding the engine.
Looking for a Used Thunderbird in your area?
CarGurus has 1,044 nationwide Thunderbird listings starting at $6,499.
Get More Money for Your CarBe seen by 20 million shoppers. Create Your Free Listing
Search Ford Thunderbird Questions
Ford Thunderbird Experts
Related Models For Sale
Used Cars For Sale