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Old 12-15-2020, 05:48 AM   #1
City: St Johns
Vessel Name: Rumour has it
Vessel Model: Ocean Alexander 42
Join Date: Dec 2020
Posts: 2
Hello everyone

New to this site I am from Newfoundland Canada and have owned a dozen different boats over the past 30 years. I am a marine mechanic by trade and work for the Canadian Coast Guard for the past 13 years. Cummins diesel field service before that. My current boat is a ocean Alexander 42. With twin Ford Lehman Sp225 engines and a Cummins Onan generator.
Being so far from a major city and living on a rock in the North Atlantic I would appreciate if anyone has info on where or someone private that is selling Lehman parts. The things that American diesel done have. Like intercoolers or turbo etc.
I am also looking for a hi low table
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Old 12-15-2020, 05:59 AM   #2
RT Firefly's Avatar
City: Slicker?
Join Date: Oct 2007
Posts: 16,246
Welcome aboard, boyo. Have you contacted Bomac?
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Old 12-15-2020, 06:47 AM   #3
Senior Member
City: Jacksonville, FL
Join Date: Nov 2016
Posts: 121
Email Mark at Lancing Marine in the UK:

(Turbo and possibly inter-cooler)


Sally from Logan Diesel:

Harbor Marine:

Mike Voght


TA Diesel:

Advanced Marine: 949-548-9791

Do not toss your old inter-cooler!!!
The end caps will be needed to be soldered on the new tube stack.

All that said, Brian has a pretty good pulse on what to do as work arounds.

The things that I actually found difficult are pistons and exact rods for my sp275. I lucked out on getting the last piston Brian had (after calling everyone too). Had to settle for a rod 0.006” longer for the offending cylinder—lots of measuring to ensure I don’t blow the head and throw the engine out of balance. Mind you, I was fixing just the one and reusing the others. I could have gotten a whole set of the next grade down from Bomac. I think the sp135 takes such.
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