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rficalora
Rob Ficalora
Willis, TX
(2764 posts)

Registered:
10/24/2007 02:46PM

Main British Car:
'76 MGB w/CB front, Sebring rear, early metal dash Ford 302

authors avatar
Air cleaner twisting
Posted by: rficalora
Date: February 09, 2013 09:16AM

My air cleaner lid has a fixed stud that threads into the carb. Not sure if I'm not getting it tight enough since it rubs on the air cleaner as I spin it on but every time I pop the hood it's loosened up a bit and the ribs on top are at an angle instead of straight. Any ideas on what I can do to lock it in place?


Jim Stabe
Jim Stabe
San Diego, Ca
(829 posts)

Registered:
02/28/2009 10:01AM

Main British Car:
1966 MGB Roadster 350 LT1 Chevy

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Re: Air cleaner twisting
Posted by: Jim Stabe
Date: February 09, 2013 11:38AM

Is it the top plate or the bottom that is turning? My gfuess is the whole assembly is rotating since the rubber of the filter would tend to keep the plates from rotating in relation to each other. If that is the case, you could key the bottom plate to the carb with a pin in the carb flange and a notch in the plate. Some of the old factory air cleaners had locators in them.


roverman
Art Gertz
Winchester, CA.
(3188 posts)

Registered:
04/24/2009 11:02AM

Main British Car:
74' Jensen Healy, 79 Huff. GT 1, 74 MGB Lotus 907,2L

Re: Air cleaner twisting
Posted by: roverman
Date: February 09, 2013 12:21PM

Which direction are the ribs turned,(clue). Stud is locked-down with a jam nut ? You might consider(2) jam nuts under the lid, which allow just enough element preload. Cheers, roverman.
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DC Townsend
David Townsend
Vermont
(406 posts)

Registered:
11/21/2007 12:22PM

Main British Car:
'78 B (almost done) 30-over SBF, dry sump

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Re: Air cleaner twisting
Posted by: DC Townsend
Date: February 09, 2013 12:38PM

As Jim said, keying it is pretty simple. I drilled a small hole in the edge of the carb that the cleaner sits on then inserted an 1/8" x 1/4' steel pin (just a firm hand, press fit) and drilled a corresponding hole in the bottom pan of my air cleaner. The top doesn't move because the friction of the rubber on the element keeps it in place. Works like a charm and is easy to do.


roverman
Art Gertz
Winchester, CA.
(3188 posts)

Registered:
04/24/2009 11:02AM

Main British Car:
74' Jensen Healy, 79 Huff. GT 1, 74 MGB Lotus 907,2L

Re: Air cleaner twisting
Posted by: roverman
Date: February 09, 2013 06:32PM

Air cleaner base has a gasket under it ? Another good idea. roverman.


rficalora
Rob Ficalora
Willis, TX
(2764 posts)

Registered:
10/24/2007 02:46PM

Main British Car:
'76 MGB w/CB front, Sebring rear, early metal dash Ford 302

authors avatar
Re: Air cleaner twisting
Posted by: rficalora
Date: February 09, 2013 11:59PM

Sounds like pinning is the answer - although I think I'll use some permanent locktite to hold the pin in. While it's small, I still don't like the thought of the pin vibrating out & getting sucked in.

Art, yes, there's a gasket between the carb & air cleaner base.


DC Townsend
David Townsend
Vermont
(406 posts)

Registered:
11/21/2007 12:22PM

Main British Car:
'78 B (almost done) 30-over SBF, dry sump

authors avatar
Re: Air cleaner twisting
Posted by: DC Townsend
Date: February 10, 2013 07:46AM

Re: Loctite. I used a drop of red when I pressed the pin in.



roverman
Art Gertz
Winchester, CA.
(3188 posts)

Registered:
04/24/2009 11:02AM

Main British Car:
74' Jensen Healy, 79 Huff. GT 1, 74 MGB Lotus 907,2L

Re: Air cleaner twisting
Posted by: roverman
Date: February 10, 2013 11:30AM

Roll pins are good , for staying tight. More compliant with hole size variation. roverman.


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