[Healeys] Magnetic drain plugs & 1 1/2 inch meters?

[Richard Ewald]

FYI engine oil can and does see 240F.    Oil temp will vary with the  
engine design, how the engine is being operated, ambient temp, and if  
there is an oil cooler installed.
Rick

Sent from my iPhone

On Oct 22, 2009, at 15:31, Awgertoo at aol.com wrote:

> John--
>
> I find this statement on the site:
>
>    N -0.12 176:F (80:C) 590:F (310:C) 7.7   NM -0.12 212:F (100:C)  
> 644:F
> (340:C) 7.7   NH -0.11 248:F (120:C) 644:F (340:C) 7.7
>
> I am not sure that this is saying the magnet "loses its magnetic
> properties" at those temps but neither engine, transmission or  
> differential
> oils
> should ever get to 248 degrees so assumedly using an "NH" magnet  
> would be a
> safe bet.
>
> But going back to the site I cannot find out what are the specs  
> (size) for
> an NH magnet.  The site contains a lot of info but I can't figure  
> out this
> piece of info--do you have any idea?
>
> Best--Michael Oritt
> ------------------------------------------------------------------
>
> In a message dated 10/22/2009 3:38:54 P.M. Eastern Daylight Time,
> ahbn6 at verizon.net writes:
>
> I just  bought one but the literature that comes with it states that  
> the
> magnet  loses its magnetic properties at 175 degrees F. Would this  
> cause a
> problem  of itsy bitsy metal particles then being able to   
> recirculate?
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