Hi Irish Rambler,
Thank you for this. I had in fact tried to look at your recommended Serck site but it doesn't come up.I think I also phoned the contact you mentioned in the UK. He was not able to supply. Serck used to do these years ago.In fact I bought one exact original unit made by Serck for Perkins
4236 10 years ago. I have also contacted Serck UK and they don't this work
I have also contacted Lansing Marine
UK who recommended E J Bowman UK, who first suggested Therco Heat Exchangers , but they were unable to supply. Bowman suggested Lansing Marine
UK, who suggested the Bowman EC140, which I would have to modify. Another different Bowman agent said that the EC 140 will not cool efficiently in 30deg Centigrade eg in the Med August, but said that the Bowman FC-100-3891-2 pass would. Bowman said both would work
but refused to recommend which unit would do the job!!. Lansing has only done one modification in North France
and then when I asked for a guarantee from Lansing they withdrew their offer.The other agent has only done one modification, which is being used on a Perkins Generator
running at 1500 revs which is half the speed of my engine
2200-2500 revs so the calculation of cooling
efficiency is void.
Unfortunately, I cannot afford any unclear answers and I need a Heat Exchanger
that will cool efficiently. in 30 deg C.
In view of the different opinions I shall only think of the Bowman modification when I see it work. So far I am leaning to buying
the original Perkins/Serck type with end fittings that require no modification. This is supplied from Golden Arrow Marine and other Perkins agents but is expensive at €2300.
THerefore I may dismantle and recondition my Serck until I see the Bowman conversion with my own eyes.