Hi Jacob To second what Josh said. I repaired a SB8 Yanmar cooling system with JB weld 6 or 7 years ago. It is still holding with no leaks.
Douglas Mountjoy 1988 C&C LF 39 Mexico at large 1984 Sabre 34 Port Orchard, WA On Wed, Apr 10, 2024, 05:35 jacob fuerst via CnC-List <cnc-list@cnc-list.com> wrote: > Good day, > > In the process of doing some much needed engine upkeep on a 3HM35 and I > found the heat exchanger case has some corrosion around the front seal and > may not reseal or at least not for very long. There is quite a bit of > additional corrosion around the front of the same case. The local yanmar > shop said they looked for a replacement to no avail. Perhaps someone here > knows of a lead? > > That said I’m not entirely opposed to dropping a new engine in because the > heat exchanger isn’t the only issue and I don’t even know the serial number > because the ID plate fell off before I became the owner and who knows the > total hours. > > My understanding is these boats were originally fitted with the 3QM30 but > at some point a 3HM35 with 2 bladed folding prop was installed in mine. My > question is if a 3YM30AE would be a sufficient replacement. The local shop > points out the higher rpm of the 3YM and believes it would be underpowered > compared to the current 3HM and is suggesting a 3JH40. > > I’m interested to hear any thoughts or experiences you might have. Thanks > in advance! > > Jacob Fuerst > 303-520-4669 > 1978 C&C 36 > Ventura, CA > Please show your appreciation for this list and the Photo Album site and > help me pay the associated bills. Make a contribution at: > https://www.paypal.me/stumurray > Thanks for your help. > Stu
Please show your appreciation for this list and the Photo Album site and help me pay the associated bills. Make a contribution at: https://www.paypal.me/stumurray Thanks for your help. Stu
