Hi, Pete — how was the Trans Superior?
No, I haven’t spoken with Walkie yet (for the listers who don’t know him, he’s
the local diesel guru up here; his dad runs dieselenginetrader.com). What was
the result of your heat-exchanger testing?
Yes, I’ll have to purge the coolant; if I go raw-water
Fred- A couple years ago I had an issue with my HX. Once I had it off,
Walkie was able to pressure test it for me. That was in the middle of the
winter and he didn’t have much going on. I don’t know what other options you
have or if you’ve talked to him?
It sounds like
Bob — with the Sendure after-market cooling system, you end up with two pumps:
the stock Yanmar pump on the engine which on my boat currently pumps coolant;
and the add-on pump that on my boat currently pumps lake water. I would
basically be bypassing the Sendure system with the add-on pump and
Fred:
What is going to make the seawater circulate through the engine? Are you going
to the raw water pump to circulate seawater through the engine’s cavity? I
would think that the volume of seawater circulated would need to be greater
than the antifreeze/water mixture normally in the closed
- Original Message -
From: Frederick G Street via CnC-List
To: Bruce Whitmore via CnC-List
Cc: Frederick G Street
Sent: Friday, August 09, 2019 1:04 PM
Subject: Stus-List Landfall 38 3QM cooling system woes
Hello, all — I’ve got a 1979 LF38 with the original Yanmar 3QM
Hello, all — I’ve got a 1979 LF38 with the original Yanmar 3QM diesel, fitted
with a Sendure fresh-water exchanger kit (also original).
Over the last season or so, I’ve been noticing a slow but accelerating drop in
the coolant level. In the last month, it has sped up quite a lot. It’s not
get