kap2
Active Member
1998 370DA, 7.4L MPI MIE L29 Gen VI engine, v-drive, standard “log” style thru hull exhaust...
I’m in the process of replacing manifolds, 3” risers & elbows and have read the Merc Service Bulletin 2001-13 where it describes water being drawn backward into the exhaust passage during engine idling. The bulletin claims that using the Exhaust Resonator Kit, 860222A1, in the exhaust hoses will help stop the ‘tuning’ affect that is causing the backward draw of the cooling water.
Currently, the resonators are not installed and I was wondering if other 370DA’s have them installed and if they can be used in this system. Or is there another fix that would resolve the issue like a different exhaust set up?
Thanks!
I’m in the process of replacing manifolds, 3” risers & elbows and have read the Merc Service Bulletin 2001-13 where it describes water being drawn backward into the exhaust passage during engine idling. The bulletin claims that using the Exhaust Resonator Kit, 860222A1, in the exhaust hoses will help stop the ‘tuning’ affect that is causing the backward draw of the cooling water.
Currently, the resonators are not installed and I was wondering if other 370DA’s have them installed and if they can be used in this system. Or is there another fix that would resolve the issue like a different exhaust set up?
Thanks!