motownXJdad Posted September 5, 2022 Share Posted September 5, 2022 This is a really interesting and enlightening video series (4 vids) i learned the real reason why 4.0s have problems with cylinders 4,5,&6 and headgaskets, and why running them a little cooler may help, and definately a high flowing water pump Link to comment Share on other sites More sharing options...
pago cruiser Posted September 5, 2022 Share Posted September 5, 2022 What a wealth of knowledge these guys have! Link to comment Share on other sites More sharing options...
FrankTheDog Posted September 5, 2022 Share Posted September 5, 2022 4.0 HO’s couldn’t have been to bad. I had 4 with over 300k on them and a fourth with 450k. Non of them ever had the oil pan or valve cover off and only things replaced on them were water pumps, alternators and starters. The 450k one was still running and driving when l scrapped it because it was so rotten. I still wish I kept the drivetrain to put in something else. Link to comment Share on other sites More sharing options...
motownXJdad Posted September 5, 2022 Author Share Posted September 5, 2022 1 hour ago, FrankTheDog said: 4.0 HO’s couldn’t have been to bad. I had 4 with over 300k on them and a fourth with 450k. Non of them ever had the oil pan or valve cover off and only things replaced on them were water pumps, alternators and starters. The 450k one was still running and driving when l scrapped it because it was so rotten. I still wish I kept the drivetrain to put in something else. they are great engines for sure, but apparently there was room for improvement👍 Link to comment Share on other sites More sharing options...
JMO413 Posted September 6, 2022 Share Posted September 6, 2022 That channel is amazing!! Link to comment Share on other sites More sharing options...
Mike Clarahan Posted October 8, 2022 Share Posted October 8, 2022 Rick Mudge call me! Ive got a guy who wants do a John Peto type head. Mike 248 514 3325 Link to comment Share on other sites More sharing options...
Mike Clarahan Posted October 8, 2022 Share Posted October 8, 2022 Rick, I don't have your ph#. Text it to the my number. Link to comment Share on other sites More sharing options...
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