I am not selling this nor do I have any interest in the sale, just an FYI on a great price.
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Re: SHP 6 qt oil pan
The 359942 oil pan is NOT N.O.S...... It is N.O.R.S. (New Old Replacement Stock).
The original oil pan, GM # 3820001, required using the 0.22" THIN front rubber seal while GM oil pans made in 1975 and later used the 0.41" THICK front rubber seal.
According to GM Parts History GM # 3820001 was replaced with GM # 3956670 in June 1970 which was then replaced with GM # 359942 about 1977 or so. I do not know the difference between the 3820001 oil pan and the 3956670 oil pan as they both require the 0.22" THIN front rubber seal. The 359942 oil pan uses the 0.41" THICK front rubber seal.
DaveComment
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Re: SHP 6 qt oil pan
Dave------
I think a lot depends upon what the definition of "NOS" actually is. I believe it was originally an abbreviation for"new original stock". The latter was a term for SERVICE parts that were manufactured and put into GMSPO inventory at the same time as the parts used in PRODUCTION. Of course, it became very difficult to determine just what constituted such parts since when they were manufactured was difficult or impossible to determine. Plus, later manufactured SERVICE parts were often absolutely identical to the "originals". So, I believe the term NOS "morphed" to mean "new old stock" and that came to mean just about any OEM part that has been discontinued. As far as the term NORS (new old replacement stock) is concerned, that term could well be applied to any part, even of the original part number, manufactured after the use of the part in PRODUCTION ended, including parts still available. Sometimes, I've even seen it applied to aftermarket parts. After all, they may be new, old and are definitely replacement.
By the way, the GM #3956670 was discontinued in December, 1976 and replaced by the GM #359942. The latter was discontinued without supercession in 2002. I THINK the difference between the GM #3820001 and the GM #3956670 involved a slight re-positioning or lowering of the internal baffling to accommodate the longer stroke of the 350 cid engine. This change also carried over to the 359942. Both the 3956670 and 359942 will also, of course, SERVICE earlier 327 SHP applications.
The GM #3820000 ("5 quart") Corvette-only oil pan was discontinued in December, 1976 and replaced by the GM #360866. The latter was discontinued without supercession in March, 1999.In Appreciation of John HinckleyComment
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Re: SHP 6 qt oil pan
Sold for US $384.99
With five bidders.Comment
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Re: SHP 6 qt oil pan
Joe,
You might be right about "NOS" meaning "New Original Stock". Is that a west coast term? I know that you were from the Boston area as I was a Bay Stater until 1970 but now live 50 miles north of downtown Boston in the "Granite Head" state. Do you miss Regina's in the North End?
I started buying parts at the Carlisle, PA, swap meet in the Spring of 1980 and only heard that "NOS" meant "New Old Stock" and that "NORS" meant "New Old Replacement Stock". I agree that "NOS" parts are technically new replacement parts since they were not on an assembly or production line but I have always considered them to be exactly the same as production parts. I have always considered "NORS" parts to be slightly different than assembly or production line parts as they have been slightly modified to be used on newer models.
You must have got the discontinued date "December 1976" from a Chevrolet Dealer Parts and Accessories Price Schedule that I do not have. I only have these dates: Oct. 1966, March 1971, June 1974, Sept. 1976, Jan. 1978, and December 1981. However, I have Chevrolet & GM Parts History manuals from Jan. 1965 until Jan. 1990 as well as the Parts History Indexes in the 1963, 1964, and 1965 Chevrolet parts catalogs.
Have a great day, you really know your stuff about GM parts.
DaveComment
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Re: SHP 6 qt oil pan
Dave-----
I'm not sure if NOS is a west coast term, or not. I'm not sure when or where it started. But, way-back-when I always heard of it being referred to as new original stock. Somewhere along the way, that changed to new old stock.
There's a lot of "indefinitiveness" in all these terms. For example, the differential bracket for the strut rods was GM #3931805 for 1968-74. It changed in 1975 to GM #356932 but the only difference was the addition of a tab for the catalytic converter shield. The 356932 became SERVICE for 1968-74. So, would the 356932 be NORS for 1968-74 but NOS for 1975-79?
I do miss Regina's a little but I miss The Causeway Restaurant in Gloucester and Essex Seafood in Essex much more. I get back there as often as I can and spend a lot of time in those two places.
I did not get the parts succession and dates information from the dealer price schedules although I do have many of them. I have another source for the information.In Appreciation of John HinckleyComment
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Re: SHP 6 qt oil pan
Dave
I have the 3820001 oil pan on my 327. Is the .22" THIN front rubber seal still available?Comment
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Re: SHP 6 qt oil pan
Roger-----
No, the front seal, GM #3887151, has been discontinued for quite some time. It's not available in the aftermarket, either, as a separate part. However, it is, of course, supplied as part of aftermarket gasket sets and these seals are really no different than the GM seals. Some of these aftermarket sets are really quite inexpensive.In Appreciation of John HinckleyComment
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Re: SHP 6 qt oil pan
Roger,
I believe that I have a few 0.22" front rubber seals in my garage that I bought back in the 1980's or 1990's. Not sure if I have an original GM seal but I have some aftermarket gasket sets that came with 2 front seals, one 0.22" and one 0.41"
I do not plan on rebuilding any 327 engines for the rest of my life so if you need one just let me know.
DaveComment
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Re: SHP 6 qt oil pan
Thanks Joe and Dave for the info. I would purchase the gasket set if I needed to take off my oil pan, and make sure that the set had the .22 THIN front rubber seal included.Comment
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