Having personally run many trucks to the ground we say it is a DIY thing. Seems many of the high mileage engines we have had, some north of 500k MILES, have had well done persnickety maintenance. Sometimes we are a bit obsessive about our work tools...
Gasoline Engine Lifespan
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The Lexus LS400 engine 1UZ-FE can easily lasted more than 300k miles. I sold 1994 LS400 with 380k miles without any engine work, it still had original valve cover gasket.
Originally Posted By: HTSS_TR
The Lexus LS400 engine 1UZ-FE can easily lasted more than 300k miles. I sold 1994 LS400 with 380k miles without any engine work, it still had original valve cover gasket.
There is one LS400 out there with a million miles on it.
And there is of course the 3 million mile 1966 Volvo P1800 out there and it has only had a rebuild two or three times.
The Lexus LS400 engine 1UZ-FE can easily lasted more than 300k miles. I sold 1994 LS400 with 380k miles without any engine work, it still had original valve cover gasket.
There is one LS400 out there with a million miles on it.
And there is of course the 3 million mile 1966 Volvo P1800 out there and it has only had a rebuild two or three times.
There are a few stinker engines that do not last long. Honda VCM V6 engines. Some last long, some less than 100k miles with burnt plugs, scored cylinders, oil burning, piston ring gaps lining up. Not clear to us outside the company what the cause is. Some just blame the owner, but these kinds of failures very uncommon in other cars. Not mainly the owner's fault. Old Honda transmissions broke often. Now it's V6 engines.
Originally Posted By: thrace
There are a few stinker engines that do not last long. Honda VCM V6 engines. Some last long, some less than 100k miles with burnt plugs, scored cylinders, oil burning, piston ring gaps lining up. Not clear to us outside the company what the cause is. Some just blame the owner, but these kinds of failures very uncommon in other cars. Not mainly the owner's fault. Old Honda transmissions broke often. Now it's V6 engines.
not to mention the latest slew of direct injection engines which will be lucky to exceed 150k miles until they figure out how not to swallow their own vomit.
There are a few stinker engines that do not last long. Honda VCM V6 engines. Some last long, some less than 100k miles with burnt plugs, scored cylinders, oil burning, piston ring gaps lining up. Not clear to us outside the company what the cause is. Some just blame the owner, but these kinds of failures very uncommon in other cars. Not mainly the owner's fault. Old Honda transmissions broke often. Now it's V6 engines.
not to mention the latest slew of direct injection engines which will be lucky to exceed 150k miles until they figure out how not to swallow their own vomit.
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