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Wales
by Joske Vermeule, September 1
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Forums39
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Jun 14th, 2026
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Joined: May 2010
Posts: 9,551 Likes: 134
Needs to Get Out More!
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Needs to Get Out More!
Joined: May 2010
Posts: 9,551 Likes: 134 |
Grumpy, I will search my records for the one I bought. You could also measure your current paper one and search the K&N website for their similar sized one.
When researching airflow I read Graham Bell’s book where he quotes tests on airflow and performance differences for different filters/ air supply enhancements. No HUGE improvements but cumulative benefits making up the differences he measured.
Some interesting results.
Plus Four MY23 Furka Rouge
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Joined: Sep 2016
Posts: 1,464 Likes: 99
Has a lot to Say!
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Has a lot to Say!
Joined: Sep 2016
Posts: 1,464 Likes: 99 |
Grumpy, I will search my records for the one I bought. You could also measure your current paper one and search the K&N website for their similar sized one.
When researching airflow I read Graham Bell’s book where he quotes tests on airflow and performance differences for different filters/ air supply enhancements. No HUGE improvements but cumulative benefits making up the differences he measured.
Some interesting results. Thanks for that. I’m thinking about replacing the entire canister so maybe I just need to measure the flange? Read about some possible fuelling issues? Runs lean?
2012 Plus 4 in Sport Green. Much comfier than the Plus 8!
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Joined: Dec 2017
Posts: 2,223 Likes: 183
Talk Morgan Expert
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Talk Morgan Expert
Joined: Dec 2017
Posts: 2,223 Likes: 183 |
Grumpy, I will search my records for the one I bought. You could also measure your current paper one and search the K&N website for their similar sized one.
When researching airflow I read Graham Bell’s book where he quotes tests on airflow and performance differences for different filters/ air supply enhancements. No HUGE improvements but cumulative benefits making up the differences he measured.
Some interesting results. Thanks for that. I’m thinking about replacing the entire canister so maybe I just need to measure the flange? Read about some possible fuelling issues? Runs lean? The K&N filter I currently use with my modified intake is F028e4 (came with different rubber flanges) The K&N filter I used in the original trumpet was A053a8 Hope that helps.
Last edited by britmog; 20/07/20 03:05 PM.
Bruce
1964 4/4 Series V Comp (Megan)
1994 +8 (Maurice) tis no more
2013 M3W (Olga)
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Joined: Jul 2016
Posts: 19
New to Talk Morgan
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OP
New to Talk Morgan
Joined: Jul 2016
Posts: 19 |
OK, just to tidy up the loose end. I have now fitted the standard air cleaner box with a new Mann paper element and have done a few varying trips in the car. I have to say I have found no difference in everyday driving. This is not checking the performance on a rolling road or with a stopwatch, however with normal driving and some brisk acceleration subjectively I notice no difference. That said I rarely if ever accelerate hard with my foot flat on the floor, changing up through the gears at maximum revs! So for my laid back driving style no problem.
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Joined: Sep 2014
Posts: 203 Likes: 8
L - Learner Plates On
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L - Learner Plates On
Joined: Sep 2014
Posts: 203 Likes: 8 |
Andy
Bit of an old thread, but do you have a part number please for the JR filter? There’s no mention of Morgan on their website. Did you ditch the entire original filter housing?
Mike H
Bourgogne Franche Comté
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