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'.
is it possible to flush a 4.3 gl engine by putting some kind of permanent attachments in place of the engine block drain plugs without having to start the engine?
You would need to tap in before the thermostat housing to flush the manifolds and just below the housing where a heater hose might be on a car. Not sure you would do a good job that way. hard to flush the entire housing.