68 Oil Fill Tube Breather - Team Camaro Tech
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post #1 of 15 (permalink) Old Nov 12th, 14, 06:55 PM Thread Starter
Jeff
 
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68 Oil Fill Tube Breather

Hi Fellas,

I recently changed out my original stock 2bbl intake to a Edelbrock 4bbl on my '68 327. Switching over, caused me to lose the twist on cap on the end of the filler tube. The Edelbrock has a push on style, that in my opinion is JUNK. It keeps vibrating off, and bending the spring doesn't help. The tabs that hold the spring on are so thin, I can bend it with my fingers.

I'm reaching out to the experts! What are my options to replace the c(r)ap?
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post #2 of 15 (permalink) Old Nov 12th, 14, 10:02 PM
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Garth
 
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Re: 68 Oil Fill Tube Breather

If I understand correctly, the Edelbrock manifold has an oil fill tube ? If so, replace it with a twist cap style. The one off your 2 bbl manifold might work (hole diameter ??)...

  • '68 RS, AA, 749, L30, M(uncie)20 (originally a 3spd), 15yr backburner resto........
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post #3 of 15 (permalink) Old Nov 12th, 14, 10:38 PM
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Jimmie-Retired
 
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Re: 68 Oil Fill Tube Breather

I thought that I understood you at first but now unsure. Does your new manifold have an oil fill tube?? or do you have to add oil through the c(r)ap on your valve cover? I don't believe that I've seen aftermarket intakes that have the fill tube.

Jim's '69
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post #4 of 15 (permalink) Old Nov 13th, 14, 03:04 AM
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Garth
 
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Re: 68 Oil Fill Tube Breather

I have an early Torker that has a factory hole for an oil fill tube. I replaced it with a Performer that had a provision for the tube, just needed to be drilled.


  • '68 RS, AA, 749, L30, M(uncie)20 (originally a 3spd), 15yr backburner resto........
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post #5 of 15 (permalink) Old Nov 13th, 14, 08:12 AM Thread Starter
Jeff
 
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Re: 68 Oil Fill Tube Breather

I have an Edelbrock #2703 Performer that I just put on it. I don't have provisions in the covers for oil fill, that's why I went with this intake. I'm trying to keep it as close to original as possible, as the motor only has 51K original miles and it's numbers matching. As it was, I sacrificed the originality to replace the carb.

Refer to the pictures.

You'll see the oil fill tube with the crap push-in breather, that came with the intake. I'm really surprised by the lack of quality on the breather. Edelbrock really cheaped out on it. I'm looking for an alternate to it.

I've seen in my various catalogs I can by a "stock" tube with a twist cap, not sure if I can replace the one I have (it's pressed in, can it be backed out with a pipe wrench?) or if there's something with a rubber grommet I can replace the push-in breather with. I don't need to operate it as a breather, I have one in the valve cover.
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post #6 of 15 (permalink) Old Nov 13th, 14, 09:13 AM
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John
 
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Re: 68 Oil Fill Tube Breather

The filler tube has a press fit into the manifold. You can remove it but depending on the fit you may destroy the tube. Once removed replace it with the one designed for the twist on cap.

Without PCV Bung http://www.rickscamaros.com/camaro-o...rome-1968.html

As a side note, they also make a filler neck with a threaded bung for a PCV valve, if you are interested. They used this on 1966-1967 Corvette's.

With PCV Bung http://www.rickscamaros.com/camaro-e...port-1967.html

1969 X11 Super Sport Coupe - L48 350cid/300hp - MC1 HD 3 Speed Muncie - Olympic Gold & Black - Numbers Matching
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Last edited by 69OlympicGoldSS; Nov 13th, 14 at 09:31 AM.
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post #7 of 15 (permalink) Old Nov 13th, 14, 09:14 AM Thread Starter
Jeff
 
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Re: 68 Oil Fill Tube Breather

Quote:
Originally Posted by 69OlympicGoldSS View Post
The filler tube has a press fit into the manifold. Just remove the existing filler tube and replace it with the one designed for the twist on cap. They also make a filler neck with a threaded bung for a pcv, if you are interested.

With PCV Bung http://www.rickscamaros.com/camaro-e...port-1967.html

Without PCV Bung http://www.rickscamaros.com/camaro-o...rome-1968.html
@69OlympicGoldSS
What's the easiest way to remove the filler tube? Any suggestions ?
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post #8 of 15 (permalink) Old Nov 13th, 14, 09:40 AM
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Jess
 
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Re: 68 Oil Fill Tube Breather

Vise Grips

Jess67
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post #9 of 15 (permalink) Old Nov 13th, 14, 01:59 PM
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John
 
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Re: 68 Oil Fill Tube Breather

Quote:
Originally Posted by CamaroJLS View Post
@69OlympicGoldSS
What's the easiest way to remove the filler tube? Any suggestions ?
It all depends on the fit: interference / press or slip.

First shove a couple shop rags down into the tube and just try the armstrong method and grab it with your hands and try to rock it back and forth while pulling up on it.

If that doesn't work, shove a couple shop rags down into the tube and then use two vice grips (a.k.a. the Jess67 method) up at the top, spaced 180 degrees apart. Then use a hammer to tap on the vice grips to remove it.

I have heard of folks that found the tube was pushed through from the top and then peened over from under the manifold.... ugh... Only way to get that out is to remove the intake.

1969 X11 Super Sport Coupe - L48 350cid/300hp - MC1 HD 3 Speed Muncie - Olympic Gold & Black - Numbers Matching
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Last edited by 69OlympicGoldSS; Nov 13th, 14 at 02:12 PM.
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post #10 of 15 (permalink) Old Nov 13th, 14, 02:23 PM
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Michael
 
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Re: 68 Oil Fill Tube Breather

You are going to have to plumb your passenger side valve cover to the bottom of your air cleaner OR use a push in breather. The air cleaner method is period correct, the push in is expedient.
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post #11 of 15 (permalink) Old Jan 6th, 15, 09:28 AM Thread Starter
Jeff
 
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Re: 68 Oil Fill Tube Breather

The Vice Grip Method worked like a charm! (That, along with using a square punch at the base of the tube, to help reduce the overall diameter).

Replaced the ElderJunk Tube with a stock tube from Rick's Camaro's, and a twist on filler tube Cap.

Thanks for all the suggestions Fellas!
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post #12 of 15 (permalink) Old Jan 6th, 15, 04:36 PM
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AJ
 
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Re: 68 Oil Fill Tube Breather

Good to hear! Just an observation, but where is that line going to from the drivers side valve cover to the side of the engine bay?

The only Mustang I'd ever own is a Fender.

'68 333" Camaro
'14 5.0 Mustang
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post #13 of 15 (permalink) Old Jan 6th, 15, 08:46 PM Thread Starter
Jeff
 
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Re: 68 Oil Fill Tube Breather

@ace's68 If you're refering to my engine picture, it goes to the back of the carb. I just had it disconnected, and dangling...
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post #14 of 15 (permalink) Old Jan 6th, 15, 11:07 PM
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AJ
 
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Re: 68 Oil Fill Tube Breather

Quote:
Originally Posted by CamaroJLS View Post
@ace's68 If you're refering to my engine picture, it goes to the back of the carb. I just had it disconnected, and dangling...
Yep, I was. Just making sure you had the PCV hooked up correctly! Just one of my things.

The only Mustang I'd ever own is a Fender.

'68 333" Camaro
'14 5.0 Mustang
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post #15 of 15 (permalink) Old Jan 7th, 15, 09:11 AM
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Mark
 
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Re: 68 Oil Fill Tube Breather

Why not just replace the tube with a GM piece that takes a twist cap.


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