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MGA air filters

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Gunship6869 Mike Kelly
Jeffersonville, IN, USA   USA
What are the best MGA air filters? I now have aftermarket air cleaners. I want to have air cleaners that allow me to test carbs with unisyn without having to remove the air filter enclosure form carb body. Any like that?


Mike Kelly
1960 MGA

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MGAdavid Avatar
MGAdavid David Werblow
Portland, CT, USA   USA
1954 MG TF
1959 MG MGA
Unless you want to run ram-pipes with a screen. I don't think the is any way to test the balance without taking the filters off.

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Steve S Avatar
Abingdon West, Southern California, USA   USA
Just my feelings on the subject, but you shouldn't need to touch the carbs more than once per year anyway even if you drive a lot. Once they are set, there isn't much that can wear or change your settings.

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ghnl Avatar
ghnl Silver Member Eric Russell
Mebane, NC, USA   USA
1961 MG MGA "Calvin"
If you do not mind a non-stock appearance, add a pair of MGB carb base plates (they also help smooth the air flow into the carb) and a set of K&N RU-4410 air filters. These filters attach to the MGB base plate with a single screw for a large band clamp. On & off in seconds. Pictures here: https://www.mgexp.com/forum/mgb-and-gt-forum.1/air-filters-stock-or-k-and-n.754171/

Alternately, instead of a UniSyn, consider the SU carb tuning kit. The kit has a pair of testing rods inserted into the suction chamber (remove damper/insert test rod). These rods allow you to quickly test for free movement, mixture and balance. I also have an SK Synchrometer. I have used the SU carb kit to tune & adjust the carbs then used the synchrometer to check. I have always found the balance to be spot on. Since there is no need to remove the air filters to use the SU kit, this could make the UniSyn superfluous.

SU carb kit: http://www.mgaguru.com/mgtech/carbs/cb130.htm



Eric Russell ~ Mebane, NC
1961 MGA #61, 1981 Alfa Romeo GTV6, 1984 Alfa Romeo Spider, 1991 Honda ST1100

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Be Coming Avatar
Be Coming Kelvin Dodd
So. Calif., USA   USA
Not quite what you are asking for, but we designed this system so the mixture could be adjusted easily with the filter assembly in place. There are only two bolts necessary for you to access the carburetor venturis to sync the carbs.

Kelvin.



Edited 2 time(s). Last edit at 2019-03-13 11:07 AM by Be Coming.


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barneymg Avatar
barneymg Barney Gaylord
(Somewhere in USA), Pick one (or more), USA   USA
1958 MG MGA "MGA With An Attitude"
Would that defeat my bilge blower, and go back to boiling fuel again?



Barney Gaylord - 1958 MGA with an attitude - http://MGAguru.com - barneymg@mgaguru.com
(Please email me direct, do not leave a PM on the public server).

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Stevieg Avatar
Stevieg Steve Gyles
Church Crookham, Fleet, Hampshire, UK   GBR
1958 MG MGA
Totally with Eric on this one. Since using the SU Rod Kit vacuum balancing has become a thing of the past with me. Also, the filters would have to be identically clean etc otherwise any balancing is thrown out of kilter when refitted. With the SU kit the carbs are balanced in road running condition.

From my site: http://www.mgaroadster.co.uk/su_carburettor_tool.htm

My opinion is that the standard filter boxes take some beating when used with K&N filters. I made some stub stacks to fit inside the boxes and they noticeably improved the 'seat of my pants' feel on performance; verified by a rolling road test: http://www.mgaroadster.co.uk/Stub_Stacks.htm

Steve

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