W27 10 bolt cover (71 w30)
November 5th, 2013, 04:01 PM
#6
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Thread Starter
Join Date: Feb 2011
Posts: 1,021
w27
I believe I saw an original 12 bolt go for $800 
Besides, it's America, i can "ask" all day long, just like on all the other crap.
Doesn't mean anybody is buying. I have a car for this, but who knows if it will ever get done, so sell, sell, sell. Cheers
Besides, it's America, i can "ask" all day long, just like on all the other crap.
Doesn't mean anybody is buying. I have a car for this, but who knows if it will ever get done, so sell, sell, sell. Cheers
November 9th, 2013, 10:04 AM
#18
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Join Date: Feb 2008
Posts: 133
I owned (and restored)
A complete w27 3.91 axle.
I remember that cover had casting
Numbers)
I remember just one71 w 30 convertible
That had a factory cover( I never got a
Close look at it) but the owner
Had all of the paperwork with the options
In the car .....
A complete w27 3.91 axle.
I remember that cover had casting
Numbers)
I remember just one71 w 30 convertible
That had a factory cover( I never got a
Close look at it) but the owner
Had all of the paperwork with the options
In the car .....
November 20th, 2013, 07:20 PM
#20
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Join Date: Feb 2009
Location: Poconos, Pennsylvania
Posts: 2,029
Though not seen on the outside, it is odd how the inside casting of the 10-bolt W-27 cover has the same "trough" cast into it as the metal cover - from the 12 to 3 position.
The trough seems to hold and direct the differential fluid towards the carrier passage way that lubricates the bearings - at least in the Oldsmobile carriers. It seems this would be true for either the metal or W-27 cover.
Of course, with the Buick carrier, this would be moot, since it lacks the additional lubrication passages in the carrier at the 3 and 9 positions.
The trough seems to hold and direct the differential fluid towards the carrier passage way that lubricates the bearings - at least in the Oldsmobile carriers. It seems this would be true for either the metal or W-27 cover.
Of course, with the Buick carrier, this would be moot, since it lacks the additional lubrication passages in the carrier at the 3 and 9 positions.
November 20th, 2013, 07:22 PM
#21
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Join Date: Sep 2010
Location: Indianapolis
Posts: 4,845
I have what I was told is an original 10 bolt cover. It came off a car that had been sitting in a field for about 25 years or so & it does not have a casting number on it that I can find. I'll have to compare it to this one.
Good info. for all, thanks.
Good info. for all, thanks.
November 21st, 2013, 07:45 AM
#22
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Join Date: Oct 2009
Location: Erie,PA
Posts: 3,814
I really need to find the box that I put mine in.Back in the early 90's,I bought an original TO-code 3:73 rear at a swap meet,and it had the W27 cover on it.The rear itself was pitted,and not too nice,so I kept the cover,which also was aged pretty good.I just remember putting it next to the repop that I got for my 72,now 20 years ago,and you could see a lot of differences.You could compare a lot of things about them,like the quality of the casting,shapes of the numbers,thickness of the ribs,etc.Everything was different,but you wouldn't really know it unless you put the two next to each other.I thought mine had the casting number,but maybe I am thinking of my 70 cover,or something else.I just wish I could find it.
November 21st, 2013, 09:09 AM
#23
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Join Date: Feb 2009
Location: Poconos, Pennsylvania
Posts: 2,029
Do the reproduction 10-bolt W-27 covers have the same casting on the inside as an original 10-bolt W-27 cover?
Anthony
Anthony
Though not seen on the outside, it is odd how the inside casting of the 10-bolt W-27 cover has the same "trough" cast into it as the metal cover - from the 12 to 3 position.
The trough seems to hold and direct the differential fluid towards the carrier passage way that lubricates the bearings - at least in the Oldsmobile carriers. It seems this would be true for either the metal or W-27 cover.
Of course, with the Buick carrier, this would be moot, since it lacks the additional lubrication passages in the carrier at the 3 and 9 positions.
The trough seems to hold and direct the differential fluid towards the carrier passage way that lubricates the bearings - at least in the Oldsmobile carriers. It seems this would be true for either the metal or W-27 cover.
Of course, with the Buick carrier, this would be moot, since it lacks the additional lubrication passages in the carrier at the 3 and 9 positions.
November 21st, 2013, 09:33 AM
#24
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Join Date: Sep 2010
Location: Indianapolis
Posts: 4,845
Here is mine, your thoughts? It was definitely used & on a car that sat for a long time in a field. My thinking is that probably any repro. covers that got put on cars would be on nice cars & not on cars that would just be left to rot? This one has been sandblasted by a previous owner.
November 21st, 2013, 10:29 AM
#25
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Join Date: Oct 2009
Location: Erie,PA
Posts: 3,814
That one was dealer installed. Stefano can certify that.
You would be surprised at what I have found put on cars,then "forgotten about",and left to rot.
Kinda like the 69 442 that I past daily,for about 15years.I finally bought the car,now too rough for my liking,so parts food,and upon loading it on the trailer,I opened the hood to see a complete 60's tripower assembly on it.Owner made no mention of it.That hit ebay before the car ever got unloaded.I did manage to put a regular intake and carb back on,and get the engine running.
How about the 69 Lemans with a 70 W27 rear? How does one "forget" that is under there?
You would be surprised at what I have found put on cars,then "forgotten about",and left to rot.
Kinda like the 69 442 that I past daily,for about 15years.I finally bought the car,now too rough for my liking,so parts food,and upon loading it on the trailer,I opened the hood to see a complete 60's tripower assembly on it.Owner made no mention of it.That hit ebay before the car ever got unloaded.I did manage to put a regular intake and carb back on,and get the engine running.
How about the 69 Lemans with a 70 W27 rear? How does one "forget" that is under there?
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