Home › Forum › Ask A Member › Compression required on 1940 Johnson HA, HS .to run › Reply To: Compression required on 1940 Johnson HA, HS .to run
October 22, 2023 at 10:11 am
#281937
As Al says, 60 minimum, but 70 to 75 to be a great idler.
Prepare to be boarded!