FORUM RULES UPDATED - The forum rules have been updated to continue to provide a friendly and safe environment for our member community. Please take a moment to review the updated rules and our terms of use and privacy policy. Click here for Forum Rules which has links to the 'terms of use' and 'privacy policy'.
I have early a 4.3 with the 177 casting block and two piece main seal. I have a book that says time 8 deg BTDC and another says 10 deg BTDC then there is the book that says set to zero then time with light. I would like someone to send a link or explanation the procedure from setting the number...
