Can you fit a 351w into a 1966 mustang?

Yes, you can fit a 351 Windsor (351W) engine into a 1966 Mustang with some modifications. The swap typically requires new engine mounts, possibly a different oil pan, and adjustments to the exhaust and radiator for proper clearance. It's also advisable to consider upgrading the drivetrain and suspension to handle the increased power and weight of the larger engine. Overall, while it’s a popular swap, it does require some work and planning.