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3.0 L v6 bad knock

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Old Nov 25, 2019 | 10:19 AM
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3.0 L v6 bad knock

Do 3.0 v6's have a history of rod bearings or rist pins going bad at 200,000 to 250,000 miles?
 
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Old Nov 25, 2019 | 01:58 PM
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Yes, like all light duty piston engines. Some go longer, most don't. Rebuild time.
 
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Old Oct 11, 2021 | 03:01 AM
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News to me. I have two 3.0L engines in my Aerostars (371,000 & 430,000) without any problems. Also had another Aero with a 3.0L, but at about 200,000 miles the top came off of #5 piston and was rattling around in the cylinder as I drove it home one day.
 
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Old Oct 11, 2021 | 11:35 AM
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like any other engine, if it's been run like a dragster and no service, lower end problems can be expected.
 
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Old Oct 11, 2021 | 01:22 PM
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Originally Posted by f5fordgirl
like any other engine, if it's been run like a dragster and no service, lower end problems can be expected.
I change the oil about every 2500 miles. I figure oil is cheap, but engines are not.

However, I do make the engine work as I typically haul loads so heavy that the springs bottom out and I do it over any mountain. On level driving I normally hold the speed at 70mph max, though I have been known to push my Aeros to over 85.
 
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