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Author Topic: Original Oil Fill Cap - 1967 327 (standard engine ventilation system)  (Read 537 times)
elcamino72
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« on: October 22, 2013, 02:11:23 PM »

What is the "correct" oil fill/breather cap for a 1967 L30 327/275hp with the standard engine ventilation system as shown in the 1967 Assembly Manual in UPC 6, sheet C5?  Also, I see that some restoration parts houses list a decal for the cap.  Was the decal an assembly line thing or is it an aftermarket/restoration thing?

Thanks
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67rs327
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« Reply #1 on: October 22, 2013, 08:07:13 PM »

I'd like the answer to this question also. My '67 L30/M20 currently has the "can" style breather cap with the mesh inside. However, while cleaning a few things in the engine bay - I discovered what looks like the orig. cap wedged down in the fender well (bet that was a frustrating oil change afternoon back in the day - I think we've all dropped something and had it "disappear"!) Anyway, its showing its age and no sticker - but does have what looks like a number "5" or a stylized "S" in the center. Can't see any part number.
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1967rs L30/M20 Bolero Red - LOS 11A.
Chris - New Hampshire.
67 RS Ragtop
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« Reply #2 on: October 22, 2013, 09:38:52 PM »

1967RS-NH

  I believe the cap you show in your post is for the "closed" pcv system  (RPO K24 shown in the AIM @ K24, sheet A2, page 267), that system has the pcv valve threaded into the  oil fill stand pipe, while the "open" system (shown in the AIM @ UPC L30, sheet A3, page 279, used the cap with the mesh in it. I personally spent a lot of time researching this very issue, and viewed some survivors before making my decision as to which cap was correct. Hope this helps to clear up these questions. JMO
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JohnZ
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« Reply #3 on: October 23, 2013, 10:02:48 AM »

I'd like the answer to this question also. Anyway, its showing its age and no sticker - but does have what looks like a number "5" or a stylized "S" in the center. Can't see any part number.

The "S" on the cap rivet is for the Stant Manufacturing Co., who supplied the sealed oil fill caps.
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'69 Z/28
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elcamino72
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« Reply #4 on: October 23, 2013, 10:49:02 AM »

Yes, the cap shown by 1967RS-NH is for the RPO K-24 system.  The cap I'm referring to would be a breather and have mesh, but I am unsure what it is supposed to look like as there are many out there claiming to be correct.  Does anyone know what is assembly line correct for the oil fill/breather cap on a 1967 327 with standard engine ventilation? The assembly manual doesn't show enough detail to determine what the cap should look like.

Thanks
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67 RS Ragtop
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« Reply #5 on: October 23, 2013, 11:36:00 AM »

 elcamino72,

  I have pics of two original caps (one from a '66 production vehicle, and one from a '67 production - with indents in top of the cap) that came off of '67's with the open pcv system, and I will send them to your posted email asap - hope they help. GW

p.s. you can repost or share these pics if you wish.
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Petes L48
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« Reply #6 on: October 23, 2013, 12:47:46 PM »

Here's a link to an older discussion at the TC site, may be of some use to you:
http://www.camaros.net/forums/showthread.php?t=207281&highlight=oil+fill+cap+327
 
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