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Vent for custom chrome valve cover

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Vent for custom chrome valve cover #1 This topic is about my 1958 MG Magnette
mcquaid James Jans Hood River, OR, USA Sign in to contact 1958 MG Magnette 1973 MG Midget	Topic Creator (OP) Apr 30, 2024 07:18 PM Top Contributor Joined 12 years ago 572 Posts

Wendel: The custom valve cover for my '58 ZB did not have a breather hole for the vent to the air filter housing. So, I drilled and tapped a hole for a fitting that uses a 7/8 open end wrench with a barred fitting for the rubber hose. I put silicone on the male threads of the aluminum anodize fitting from the local Ace Hardware store. It was back in Oct, 2021 so I have forgotten the size of the drill bit and thread size.

Jim
'58 ZB
Hood River, OR

Edited 2 time(s). Last edit at 2024-05-01 09:58 AM by mcquaid.

IMG_20240430_170025014.jpg 43.2 KB

IMG_20240430_170038714.jpg 37.8 KB

20210707_184557.jpg 40.5 KB

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Re: Vent for custom chrome valve cover #2
wenpri Wendel Price Pocasset, MA, USA Sign in to contact 1958 MG Magnette ZB	May 1, 2024 07:23 AM Joined 7 years ago 47 Posts

Jim: Thanks for the photos. Nice solution. In order to avoid the ribs on top, I was thinking of tapping the cover on the side as far up as possible and use and elbow fitting of some type. For now, I think I'll just keep the original valve cover on and ruminate some more on the issue. Thanks again.
Wendel

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Re: Vent for custom chrome valve cover #3
Dickim Mark Dickenson Bullsbrook, Western Australia, Australia Sign in to contact 1956 MG MGA 1500 1958 MG Magnette ZB "M"	May 2, 2024 12:48 AM Joined 2 years ago 63 Posts

On my MGA and about to be repeated on my recently purchased ZB I opted go from the side using a brass straight bottle gas fitting, drilled with a "cone" variable drill and then let it "Self Tap" removed and added a touch of oil proof gasket paste. prior to drilling marked with masking tape on the head then checked to ensure the hole would sit BETWEEN valves etc and at a height that was square to the Air Filter fitting - if I cant get the same fitting I will use a threaded chrome "Nitro" air hose fitting as fits pipe nicely - will post pic when near the car again

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Vent for custom chrome valve cover

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