camaro 327 engine oil galley - Team Camaro Tech
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post #1 of 19 (permalink) Old Jun 10th, 14, 10:20 AM Thread Starter
Mike
 
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camaro 327 engine oil galley

Hello this is my first time posting. I have a 1967 RS/SS with a original 327 engine. I rebuilt the engine and when I tried to run it oil shot out a oil galley plug. under side of a head.. I missed this plug was wondering if there are others. Does anyone know where all the oil and coolant galley plugs need to go?
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post #2 of 19 (permalink) Old Jun 10th, 14, 10:38 AM
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Red face Re: camaro 327 engine oil galley

I would imagine you are talking about the galley machining plug at the rear of the engine.
This plug is on the top of the block right behind the drivers side head.
If missing or miss-installed it can be a mess, same goes for a leaking or missing rear cam galley plug in the bellhousing area.

There is only that one plug on top and the rear cam plugs 'outside' on a SBC, but there are numerous machining plugs inside the normally covered parts of the block.
Most common missing in there is the plug under the rear main cap. If this plug is missing your oil pressure can be low, but more important is the oil is not being routed properly to the filter!
The front of the engine also has plugs behind the cam upper gear that would drain into the cam timing chain area if missing or leaking. These are normally not an issue unless completely missing ...
There is also a large Cam plug at the rear of the engine - these can/have leaked if not properly installed also.

You will need to pull the head to properly repair/replace the upper rear oil plug.

Coolant - or 'Freeze' - plugs go in the large holes on the side (2 or 3 on each side depending on block) and at rear bellhousing area.
These should all be in place and not leak coolant if properly installed.

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post #3 of 19 (permalink) Old Jun 10th, 14, 11:16 AM
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Re: camaro 327 engine oil galley

Mike Im moving your post to ENGINE section and just FYI a 327 engine was never an SS in any Camaro. If your car has a 350 it 'might' be an SS. If it is a true 327, its NOT an SS.

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post #4 of 19 (permalink) Old Jun 10th, 14, 04:19 PM
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Smile Re: camaro 327 engine oil galley

If it is the plug that John is talking about... that port is often used for an oil pressure gauge. They often have a plastic oil line there that can easily break or rot overtime.

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post #5 of 19 (permalink) Old Jun 11th, 14, 12:36 PM
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Re: camaro 327 engine oil galley

Quote:
Originally Posted by TJS69 View Post
If it is the plug that John is talking about... that port is often used for an oil pressure gauge. They often have a plastic oil line there that can easily break or rot overtime.
Nope, different port. The one he forgot has its unthreaded hole half-covered by the rear of the cylinder head; the other one, for the oil pressure sender, is only a couple of inches inboard, and is threaded 1/8" NPT. See photo below - shows both of them.

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post #6 of 19 (permalink) Old Jun 11th, 14, 03:17 PM
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Smile Re: camaro 327 engine oil galley

Thanks for the clarification, John !

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post #7 of 19 (permalink) Old Jun 11th, 14, 03:26 PM
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Wink Re: camaro 327 engine oil galley

Thanks for the photo John, didn't look for one to post

On purpose didn't mention the oil sender port (or a couple others depending on casting/machining plant) as OP specifically said it was "under head", and that's the only 'plug' under a head.
He also asked if there were other 'plugs' he might have missed, I think I addressed those for him.
Haven't heard back, so who knows ...

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post #8 of 19 (permalink) Old Jun 23rd, 14, 11:04 AM Thread Starter
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Re: camaro 327 engine oil galley

Thanks for all the help. JohnZ that picture is exactly where I was missing the plug.
Started the engine and had a nice oil fountain for a second before I shut it.
I have the cam front and rear plugs/caps installed, the plug above the oil filter, and the oil pressure senser right by the distributor.
Can you guys think of any others before I start it again?

Thanks again this forum has been a big help.
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post #9 of 19 (permalink) Old Jun 23rd, 14, 11:08 AM Thread Starter
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Re: camaro 327 engine oil galley

Jim, The trim tag shows that the car is a RS/SS with a 327 motor. Could this be BS? I looked the numbers up and they seem to match in the Smart Book. But, I'm new and still learning as I go.
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post #10 of 19 (permalink) Old Jun 23rd, 14, 11:29 AM
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Re: camaro 327 engine oil galley

Quote:
Originally Posted by mjarenal View Post
Jim, The trim tag shows that the car is a RS/SS with a 327 motor. Could this be BS? I looked the numbers up and they seem to match in the Smart Book. But, I'm new and still learning as I go.
Use this page to help you decode your cowl tag...

http://camaros.org/numbers.shtml#67Codes

3L - denotes Rally Sport
4P - denotes SS350 or L30/M20 (327/275hp that could easily be rebadged with SS emblems...

...Dennis

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post #11 of 19 (permalink) Old Jun 23rd, 14, 11:35 AM Thread Starter
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Re: camaro 327 engine oil galley

Vintage 68
I didn't put that plug in the rear main cap. But, my pressure at he oil filter seems good. Do you think I'm in danger of damagingthe motor?
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post #12 of 19 (permalink) Old Jun 23rd, 14, 11:36 AM Thread Starter
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Re: camaro 327 engine oil galley

Thanks for the link.
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post #13 of 19 (permalink) Old Jun 23rd, 14, 11:46 AM
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Re: camaro 327 engine oil galley

It would most likely contain a '4P' designation if it were a true SS350. The lack of the 4P code indicates that it originally had a 327 and is not an SS. There are some caveats to this, but if you have a 327, you don't have a true RS/SS, unless the 350 was pulled at some point and replaced with the 327, which I'd say is doubtful. You might want to also check to see if you have a 3L designation on the tag to identify it as a true RS as well.

Post a pic of the trim tag. You can have it deciphered and many can spot fake tags as well.

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post #14 of 19 (permalink) Old Jun 23rd, 14, 10:06 PM Thread Starter
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Re: camaro 327 engine oil galley

Here is the trim tag for my 1967 Camaro. It shows a 4P and 3L code for the RS/SS model. I think I may have the wrong engine block, but I'm hoping someone can tell me for sure. The block number is 3903352. I found this block number in the CRG research report web site for the '67 model. But, not sure if it goes with the RS/SS model.

Last edited by mjarenal; Jul 3rd, 14 at 11:07 AM.
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post #15 of 19 (permalink) Old Jun 24th, 14, 10:35 AM
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Re: camaro 327 engine oil galley

If the car originally had a Saginaw (cast iron body) 4-speed then you might have an L30/M20. Check the piercing in the firewall for the speedometer cable.

3903352 is a 327 block.

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