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01-13-2013, 04:29 PM
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#1
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Guru
City: coos bay
Join Date: Oct 2012
Posts: 1,290
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Ford Lehman hours
Was curious as to how many hours all you FL owners have on your engines with out teardown or rebuild?
Thanks
Britt
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01-13-2013, 04:44 PM
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#2
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Guru
City: Sydney
Vessel Name: Sojourn
Vessel Model: Integrity 386
Join Date: Oct 2011
Posts: 13,329
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Just under 2000 hours, 1981 boat. PO wore out 2 gensets; anchoring for weeks using a speedboat to get around, fish,etc.
Anecdotally from a charter operator, 10-12000 is not unusual.
__________________
BruceK
2005 Integrity 386 "Sojourn"
Sydney Australia
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01-13-2013, 04:50 PM
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#3
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Guru
City: coos bay
Join Date: Oct 2012
Posts: 1,290
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Quote:
Originally Posted by BruceK
Just under 2000 hours, 1981 boat. PO wore out 2 gensets; anchoring for weeks using a speedboat to get around, fish,etc.
Anecdotally from a charter operator, 10-12000 is not unusual.
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Thanks. What gave me the idea for this thread was because of a comment from a member that engines dont last past 300hrs and i have heard the lehman is good for 10-20,000 hours. I am considering buying a defever with 3200 on a Lehman, its a 1979. 2000 is low for an 81
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01-13-2013, 04:50 PM
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#4
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Scraping Paint
City: -
Join Date: Oct 2007
Posts: 13,745
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Engines are vintage 1973. Total of about 3500 hours now.
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01-13-2013, 04:52 PM
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#5
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Guru
City: coos bay
Join Date: Oct 2012
Posts: 1,290
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Thats pretty low for a 73 Marin you should get out there and do some trawlerin
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01-13-2013, 04:56 PM
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#6
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Guru
Join Date: Jun 2008
Posts: 5,036
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1983 boat, 4200+ hours
__________________
Jay Leonard
Ex boats: 1983 40 Albin trunk cabin, 1978 Mainship 34 Model 1
New Port Richey, Fl
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01-13-2013, 05:06 PM
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#7
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Senior Member
City: La Conner, WA
Vessel Name: Adelaide
Vessel Model: 1983 Tung Hwa Clipper
Join Date: Sep 2011
Posts: 385
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1983 Ford Lehman 80hp under 1500 hrs.
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01-13-2013, 05:09 PM
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#8
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Scraping Paint
City: -
Join Date: Oct 2007
Posts: 13,745
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Quote:
Originally Posted by bfloyd4445
Thats pretty low for a 73 Marin you should get out there and do some trawlerin
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The boat spent its whole life in SFO Bay until we bought it. It was used regularly all that time but the distances are pretty short there so you can do a lot of boating but not rack up all that many hours. The engines had a bit less than 1200 hours on them when we bought the boat.
The engines surveyed out extremely well. Today, 14-plus years later they don't smoke any more on startup than they did then (about three minutes) and they use exactly the same amount of oil as they did then (less than 1 quart in each engine every 100-150 hours which is our oil change interval).
So other than the fact they are pathetically underpowered for what this hull can do, they've been good engines so far.
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01-13-2013, 05:25 PM
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#9
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Guru
City: Chocowinity NC
Vessel Name: My Yuki
Vessel Model: 1973 Marine Trader 34
Join Date: Nov 2007
Posts: 637
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About 4000 hours on my 1973 Lehman. Since I've owned it,I have put on maybe 400 hours; had the injector pump rebuilt when I got it, otherwise just oil/filter maintenance. No smoke, even on startup (fingers crossed).
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01-13-2013, 05:27 PM
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#10
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Enigma
City: Slicker?
Join Date: Oct 2007
Posts: 16,563
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Greetings,
1979. ~ 5000 hrs. per side. No issues... Twin Lehman.
__________________
RTF
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01-13-2013, 05:51 PM
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#11
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Guru
City: Everett, WA
Vessel Name: Honey Badger
Vessel Model: 42' CHB Europa
Join Date: Oct 2011
Posts: 784
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2900 on mine. Twin FL120's 1980 vintage. I have all the records, never a major repair.
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01-13-2013, 05:52 PM
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#12
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Senior Member
City: Foley, Alabama
Vessel Name: GITANA
Vessel Model: Sea Ranger 47 Pilothouse
Join Date: Mar 2012
Posts: 315
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1978 FL120's, twin with 2900 hours. No issues at all.
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01-13-2013, 05:59 PM
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#13
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Guru
City: Cruising East Coast US
Vessel Name: Grace
Vessel Model: DeFever 48
Join Date: Apr 2008
Posts: 2,420
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1981 4400 and 4700 hours. No problems.
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Cruiser
Esse Quam Videri
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01-13-2013, 06:14 PM
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#14
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Scraping Paint
City: -
Join Date: Oct 2007
Posts: 13,745
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Quote:
Originally Posted by ARoss
No smoke, even on startup (fingers crossed).
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You know what they say about old-generation British engines--- if they don't leak oil and smoke on startup there's something wrong with them.
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01-13-2013, 06:26 PM
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#15
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Guru
Vessel Name: Anastasia III
Vessel Model: Krogen 42
Join Date: Oct 2007
Posts: 2,716
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You're correct. Bob Smith of American Diesel says a properly cared for Lehman will last around 15,000 hrs. Mine is a 1986 and has around 5000 hours with no problems. It'll outlive me for sure. If you're buying one, an oil analysis will tell you if there are any problems, as long as the oil has some engine time on it. If it's just been changed, the owner may be trying to hide a problem.
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01-13-2013, 07:07 PM
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#16
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Guru
City: Cruising East Coast US
Vessel Name: Grace
Vessel Model: DeFever 48
Join Date: Apr 2008
Posts: 2,420
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Quote:
Originally Posted by Keith
You're correct. Bob Smith of American Diesel says a properly cared for Lehman will last around 15,000 hrs. Mine is a 1986 and has around 5000 hours with no problems. It'll outlive me for sure. If you're buying one, an oil analysis will tell you if there are any problems, as long as the oil has some engine time on it. If it's just been changed, the owner may be trying to hide a problem.
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Or doing his regular maintenance
__________________
Cruiser
Esse Quam Videri
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01-13-2013, 07:08 PM
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#17
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Enigma
City: Slicker?
Join Date: Oct 2007
Posts: 16,563
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Greetings,
Mr. Marin. If a British engine doesn't leak oil, the sump is empty.
__________________
RTF
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01-13-2013, 07:41 PM
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#18
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TF Site Team
City: Ex-Brisbane, (Australia), now Bribie Island, Qld
Vessel Name: Now boatless - sold 6/2018
Vessel Model: Had a Clipper (CHB) 34
Join Date: Jun 2008
Posts: 10,101
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I have no idea how many hours mine has done, but it is the original, and as far as I know un-reconditioned FL120, in a 1975 vintage Clipper (CHB 34. From when I bought it, it had a broken engine hours counter, but the RPM counter it is part of still works fine, so the PO did not bother geting it swapped out. As it was registering 3,600 hrs when it broke, and I have no idea how much before I bought it that happened, I figured no-one is going to rip into an engine working fine just because of some nominal engine time, and the RPM counter still works fine, so I left it alone as well. That was 12 years ago...!
Suffice to say we did a 11 hour non-stop trip over new year, followed by several shorter legs, to a total of about 150nm, and all it needed was 600ml oil and 200 ml coolant top-up. It does not smoke, and it never misses a beat. I'm not obsessive about servicing either. It has only needed new fuel filters twice in that whole time, and when I say needed, I mean, we just decided to change them while doing something else - they were not indicating any trouble. I change the oil and oil filter annually. I have replaced the heat exchanger, and one oil cooler. That's it. They last a long time. I love it.
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01-13-2013, 08:06 PM
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#19
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Guru
Vessel Name: Anastasia III
Vessel Model: Krogen 42
Join Date: Oct 2007
Posts: 2,716
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Quote:
Originally Posted by Daddyo
Or doing his regular maintenance
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Yea, what are the odds? Since you can't do an oil analysis on new oil that tells you anything, I'd insist on getting minimum of 20 hours on the engine, then test.
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01-13-2013, 09:14 PM
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#20
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Guru
City: coos bay
Join Date: Oct 2012
Posts: 1,290
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Quote:
Originally Posted by Keith
You're correct. Bob Smith of American Diesel says a properly cared for Lehman will last around 15,000 hrs. Mine is a 1986 and has around 5000 hours with no problems. It'll outlive me for sure. If you're buying one, an oil analysis will tell you if there are any problems, as long as the oil has some engine time on it. If it's just been changed, the owner may be trying to hide a problem.
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I'm gonna have that done. The boat went on a trip to Catalina Island Sunday and is expected back tueday. The sticker on the oil filter shows it haveing been changed in november of 12. There are detailed records on this boat going back to 1999 and before that it only had one owner which is documented.
A posting in the simgle vs. twins thread got me thinking about the real life of one of these engines. I have a 1975 ford tractor with a similiar engine in it that i drove for 1/4 mile with no oil in it five years ago cause i changed the oil and my neighbor distracted me before i tightened the drain plug and it fell out. I was out brush hogging when i noticed the oil light so i drove back to the farm rthen discovered no plug. Well the tractor runs as good as ever still burns leaks not a drop and no smoke. Its the only tractor i have so it gets quite a bit of use.
I think if the Lehman is built like my tractor it will live a long long time.
Thanks for the information
Britt
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