The Mud Pit > General
New Engine
JSchwinn:
Hey guys so I picked up a replacement 4.0 for my jeep yesterday and wanted to get everyone's opinion on how far I should go to clean it up/ replace parts. The engine has around 103k on it and ran great when pulled. Seeing as it is on an engine stand and easily acceptable I wasn't sure how much overhaul I should preform. Is it worth taking all the accessories off changing the gaskets and cleaning them up? What bolt on parts usually break around 100k and should be replaced? Also I plan on going the swap in the near future and could use a hand or two from someone with some engine swap experience, I get the gist of it but I'm no mechanic and could use the help. All input is appreciated! thanks!
Mayhem:
Replace water pump and heater tube, thermostat, plugs, valve cover gasket (felpro), oil filter adapter, and motor mounts. Clean everything.
Big Chuck:
Very easy swap Josh! I like to use simple green and a pressure washer, even better if you have a bot water source. You could have that swap done in an afternoon.
chuck
JSchwinn:
Yea I was definitely going to change gaskets, so pretty much change all the bolt on stuff up front. How about timing chain?
Chuck I'm hoping its a quick swap! I don't have a powerwasher but I will clean it up as best I can, maybe paint the valve over while it's off.
JSchwinn:
--- Quote from: Mayhem on May 10, 2015, 03:20:17 PM ---Replace water pump and heater tube, thermostat, plugs, valve cover gasket (felpro), oil filter adapter, and motor mounts. Clean everything.
--- End quote ---
The engine has new plugs so should be good there, the rest I plan on replacing. I was also going to replace the intake and exhaust manifold gasket. When I do the swap I'll take my brand new pan from the old engine and throw it on the new engine.
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