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Author Topic: 390 running very hot  (Read 73450 times)
mikestang
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Location: Firestone CO

« Reply #60 on: October 14, 2013, 10:43:12 pm »

It is at Blue Oval Performance Engineering in Englewood, CO


He called today and talked to the service advisor, but I was too busy to hear what he had to say.
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mustangmanic67
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« Reply #61 on: October 30, 2013, 01:02:21 am »

Sounds like the block wasn't hot tanked.  390s also have a really bad oiling problem. Add that with the thinner walls and it sounds like you have a plethora of issues with the motor and the rebuild
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mikestang
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Location: Firestone CO

« Reply #62 on: April 07, 2014, 10:20:51 pm »

Shoot, meant to update this a while back.   Engine is back from Blue Oval and running great and staying cool.  Pretty much found many issues, not boiled out, cheep pistons, too tight of clearances all over.   Seems all the corners cut caused the running hot issue.   Thanks for the input.  Runs right at 180 now all the time.  Never had one kick my butt this bad, but that is when I learn the most.
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Veets67
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FE ford specialist


« Reply #63 on: December 15, 2014, 12:12:57 pm »

Wow a lot of issues with that 390
  I've had my fair share of dealings with FE engines and it sounds like the engine builder just did not know what he was doing. Anytime you are going to build or assemble and machine an FE engine,(332,352,390,406,427 etc) you have to have a specialist that knows the ins n outs and all the tricks to assemble them properly. There are a lot of critical areas,so make sure to always double check all of the clearances; this is a must! Always sonic check an FE block, it may require an offset bore then it needs to be line bored and square decked,also verify crankshaft centerline . All crank throws need to be equalized. Clear out all oil and coolant passages. These are the basics for the engine that will survive a long life and perform the way it was intended; there no short cuts. It's been a while since I've worked on them, so my thought and procedures may b unclear or not 100% correct
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