Semaphore

compare the engine stamps on the block or head. You may need a book to see if they are compatible to swap out.

Putting them in ascending order.

For example: 17, 29, 23

Compare 17 & 29. They are in order. So leave them

Compare 29 & 23. They are out of order. Swap them

We now have 17, 23, 29 - they are in order.

There are several places that one can find a car swap. Online options include Swap My Whip and Swap A Lease. The website Collector Car Swap Meet is a site that one can meet people that want to swap cars and then swap in person.

The Swap was created in 1979.