<VV> engine cooling/engine

shortle shortle556 at earthlink.net
Mon Dec 17 14:54:40 EST 2007

Folks, I agree. I have never heard of a valve seat coming out due to "too cold of an engine". When I lost my intake valve seat it was 35 degrees F ambient temp., but I don't believe it was due to too cold.I have heard of valve seats coming out when cold ambient temp. and restarting car w/ engine not very cool as in getting gasoline or groceries. 
My question was pertaining to an engine running too cool (not enough opening of the rear doors) due to all the things I did to make this engine run cool [otto pan + covers, deflashing cylinders + heads, 12 plate oil cooler w/both side covers].I have no mayo on my oil cap or filler pipe.
Therefore, I have decided to install the 2 VDO gauges I bought for my FC (cylinder head temp. + voltmeter). How accurate are the sender units for the temp. gauge that install under the spark plug? Should I install 2 like Steve Upham spoke of?  
Timothy Shortle in Durango Colorado.
-----Original Message-----
>From: Chris & Bill Strickland <lechevrier at earthlink.net>
>Sent: Dec 17, 2007 10:28 AM
>To: virtualvairs at corvair.org
>Subject: Re: <VV> engine cooling/engine "mayo"
>never heard that a too cold Corvair engine was the root cause behind 
>dropping a valve seat -- too cold of a seat in a hot engine, yes.  of 
>course, I suppose seats can come out under all sorts of odd 
>circumstances, but I would not expect the cold to be the cause.
>yes, it needs to warm up -- thermostats do actually have a purpose.
>On mayo -- I really think the Corvair has a very poorly designed PCV 
>system, with no airfow through the crankcase. GM just probably had 
>trouble building an 'affordable to produce' system that wouldn't suck 
>too much oil out of our little flat motors, so what we have is just that 
>-- the 'cheap'system. probably needs a oil seperator can with drain back 
>system.  More like that aircraft guy's fuel pump conversion thingy ...
>Bill Strickland
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