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RE: [oletrucks] checking compression 350 chevy

To: AJT <ajt@embarqmail.com>, oletrucks@Autox.Team.Net
Subject: RE: [oletrucks] checking compression 350 chevy
From: Tom Cooper <tntcoop@earthlink.net>
Date: Tue, 5 Aug 2008 10:44:19 -0500 (GMT-05:00)
I don't have the cooling system hooked up yet, but i did see a small area of 
milky oil. It was on the shallow end of the oil pan. In the deep end was some 
grey thick slush but it didnt really look milky. I could tell there was some 
water in the oil pan but not very much. I was wondering if maybe some water was 
left in the engine from last year and it got into the pan, or maybe, hopefully 
condensation.

I had an oil leak at the rear of the pan and i removed it and that is when i 
saw the milky oil. I installed the new gaskets and mounted the oil pan but I 
still have a leak. It isn't near as bad but still leaks.
Why did GM, in my opinion make such a bad design for their oil pan gaskets? I 
tried silicone on all four gaskets and thet worked until i went to mount it. 
There wasn't quite enough room to get the pan in place and i knocked the rear 
rubber gasket loose. I thought about siliconing the rubbers ends up in the 
block, but that cause the tabs of the side gaskets to be out of place. Are the 
little tabs on the side gaskets really necessary?
Any tips on this is appreciated. I may put a bottle jack under the harmonic 
balancer and raise the engine an inch or so to get the pan in and out just a 
little easier.
I appreciate any experinces anyone can share.
      Tom in SC

-----Original Message-----
>From: AJT <ajt@embarqmail.com>
>Sent: Aug 4, 2008 9:41 PM
>To: oletrucks@Autox.Team.Net
>Cc: 'T Cooper' <tntcoop@earthlink.net>
>Subject: RE: [oletrucks] checking compression 350 chevy
>
>
>Always have oil in your motor whenever turning it over. Oil IS needed
>between the rings for a proper compression test.
> 
>I would do a pressure test on the cooling system first.
>
>All your cylinders should read almost the same. A lot of factors determin
>the compression. Types of pistons, CC of the heads, rod length, diameter of
>bore, don't forget the stroke also.
>
>If all your oil is milky, start to worry. If it just a glob of milk and the
>rest of your oil looked like oil..... don't worry. Just do a pressure test
>on the cooling system. 
>
>
>
>
>Jay in East Texas
>If you dont ride, you dont know!
>http://www.youtube.com/watch?v=x4mU8ZqMZPU
>
>
>FREE Model railroading Subscription:
> http://model-railroad-hobbyist.com
>
>
>Subject: [oletrucks] checking compression 350 chevy
>
>I am going to do a compression test because I had a little milky looking
>stuff in the oil pan. It may be from condensation since I didn't even have
>my radiator connected. Although maybe there was some water left in the
>engine in someplace. I did see about a table spoon of water fall from the
>lower hose connector of the water pump.
>Anyway, what is considered to lo of a compression? My oil pan is leaking
>too, would it hurt the engine to do a compression check without any oil? I
>will be turning it over and not cranking it?
>
> 
>
>Thanks again for the help,
>
>            Tom still struggling and learning in SC





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