Umbrella seals pcs in pan
#1
i replaced the old disintegrated seals.should i be concerned about the bits that have made it to the oil pump screen? of course i should,So does the pan come out easily?i also replaced the seals with the same type of seal.unfortunately i was not a member when i did this and just got done reading in engine build tips and there it was use the Teflon type. the smoking went away but im thinking i will have to change them again.this is a bear of a job,some of those keepers like to stay kept.ooh yeh its a Q code 351 C.
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#2
Back in 1985 I picked up a partial seal in my oil pump and locked it up. So yes, you want to remove the pieces from the pan.

That was on a 1970 Torino but it shouldn't be much different on a Mach 1. I ended up having to jack the motor up just a bit to slip the pan out but it was not what I would consider extremely difficult or a real pain.
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#3
Just like steven said my 71 mach1 did exactly the same thing. I found pieces of the stem seals during an oil change. I dropped the pan and had to pull the bolts out of both motor mounts and raise the engine roughly 3 to 4 inches to get the pan to clear the frame. (351 Cleveland) Cleaned it all out. It wasn't until the second time that I blew the engine. Even after cleaning them out. There were more pieces, and locked up the pump at 70 MPH didn't take long and boom boom boom. then it went Ka nock Ka nock Ka nock, until the broken connecting rod got pointed straight up and it hit the cam and broke it into several pieces. which is when it rolled to a stop! So be damn sure to clean out the area under the valve covers the drain back holes at the corners of the heads. the valley under the intake, and the oil pan. Oh don't forget the oil pump screen if you reuse the pump! JTS 71 Mach1
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#4
ok will do.i cant tell you how long the car has been run with potential disaster.unfortunately driving the car soon is slipping away.i have many things to address.and $ to spend.i will do a compression test and see if other problems arise.i will make room in the back of the shop and start tearing it down.thank you all so much.i will be here awhile, other topics to discuss soon.
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#5
Good luck hope it comes out in your favor. Ask any and all questions as somebody here has been there done that before, and we're always willing to share info! Remember the only dumb question? Is the one that isn't asked. JTS 71 Mach1
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