Q: Engine internal upgrades

asked by on March 25, 2017

Hello all again . So I found a low milage 5.4 3v engine for my expedition (55k miles) . Before I put it in I wanted to see what if any internal upgrades I can do to make it last longer . For example the timing chain guides , stock ones are made of cheap plastic ( so I've heard) so any suggestions on the guides, chain tensioner, oil pump , cam phasers ect. Thank you

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