Many Thanks Charlie69, its also on youtube under Datsun 520
New owner of 520
Posted 15 May 2018 - 09:03 PM
I went L20B automatic in my 66 520. It was a lot of work to get it to fit how I wanted. I would definitely go A14 with a 5 speed. Not sure of availability of parts for the A14. Check out the parts availability before deciding on a swap.
This migh help some.
If you can get the 92 horsepower A14 it would be a great upgrade.