Re: [FWDLK] L-FORWARDLOOK Digest - 19 Dec 2005 to 20 Dec 2005 (#2005-343
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Re: [FWDLK] L-FORWARDLOOK Digest - 19 Dec 2005 to 20 Dec 2005 (#2005-343)



Hi Mike,
I have to ask- has the engine ever been apart?  It has been my experience that if an engine of this kind of vintage has never been apart, there is 40+ years of black, slimey, nasty gunk all over the insides.  This can be good- seals everything, or bad-gums up things.  The way to check is to remove a valve cover and see how dirty the valvetrain is.  Sometimes you can simple pull the breather off and look inside the valve cover with a flashlight-if there is no baffle present.

When you put fresh oil in and then start the car, you heat all of the gunk, and the fresh oil carries some of it away- and turns black in the process.
Try this- the next time you need to add a quart of oil, add a quart of Dextron/Mercon- doesn't matter what brand- instead of oil.  Trans fluid has A LOT of detergents in it.  This will start flushing aways more of the gunk inside the engine.  In the past, I have added a quart of this to my engines about 500 miles before the next change.  Then when you change the oil, note how much crud comes out.  I have been doing this for 20+ years with no detrimental effect on any engine I have owned.  As a matter of fact, the last engine I took apart looked almost new inside because of a a LACK of gunk.  Stilled needed bored and honed, but it was nice to see how clean it was.

The other tip.  ALWAYS replace the oil filter when you change the oil.  This goes a long way toward keeping the sludge (this is what it is called technically) down.

Hopes this help you keep that beauty on the road,
Good Luck,
Charles.

---- Michael Rusnak <michaelrusnak@xxxxxxxxxxxxx> wrote: 
> 
>   My Father has 1962 New Yorker with a 413. It is regularly maintained and runs very well. The problem we are encountering: the oil turns coal black immediately after an oil change. There is no smoke from exhaust or engine compartment and the car does not  need oil between oil changes. The car did overheat several years ago due to a faulty thermostat. The problem started soon after that. Could this be bad valve guides or some other problem.  
>    
>   Michael Rusnak  
>   1956  New Yorkers
> 
> 
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