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Re: Air Intake improvements [Re: Richard Wood] #595309
16/09/19 12:40 PM
16/09/19 12:40 PM
Joined: Nov 2015
Posts: 1,325
Yorkshire
CooperMan Offline OP
Has a lot to Say!
CooperMan  Offline OP
Has a lot to Say!

Joined: Nov 2015
Posts: 1,325
Yorkshire
Originally Posted by Richard Wood
Originally Posted by sid

Inspired by Jon's much earlier posts relating to getting more cooler air into the 3.7 Roadster's air box, I've also cut a 4" hole in the box but then used a ducting elbow that came from Screwfix to help draw cool air from the side vents in the bonnet.
A quick spray of matt black and I think it looks quite tidy.


[Linked Image]

I've left the original hole in the base of the box open, but I'm hoping that this - very cheap! - addition may improve things.

Only a proper dyno test will confirm one way or the other whether there's any difference in performance, as I must say I can't notice any, but I just feel that anything's got to be better than the standard arrangement.


Borrowed your idea sid. First person I showed it to suggested an angle on the rectangular inlet to better align with louvres.

[Linked Image]

Next plan is to somehow block off original air inlet route to reap full advantage of cool air.


Richard, mine is still 'open' at the base, my reasoning was that if driving in heavy rain or a large splash from a pothole if sucked into the airbox scoop could drop out of the bottom without too much being drawn into & through the air filter


Jon M
Re: Air Intake improvements [Re: Heinz] #595325
16/09/19 02:15 PM
16/09/19 02:15 PM
Joined: Dec 2011
Posts: 1,880
Seattle, USA
B
Button Offline
Talk Morgan Enthusiast
Button  Offline
Talk Morgan Enthusiast
B

Joined: Dec 2011
Posts: 1,880
Seattle, USA
Originally Posted by Heinz
Button, you are right that a modern EFI always can balance air and fuel. But if the air is very hot it will dose less fuel to keep the balance of the mixture so the result means less power. If the air is colder the EFI will also keep the same balance but it will deliver more fuel to do so and you have more power. As far as I know, this applies at least to the partial load range. For full throttle one should adjust the ECU to the air volume and temperature.
I am only an interested layman and other TM members can explain this topic much better but in one point I am very sure, your your brain works totally very well and it is in best order:)


I would think the same thing happens when a Morgan with EFI gains altitude. Doesn't the EFI self adjust for Barometric Pressure?


Button
Re: Air Intake improvements [Re: Button] #595328
16/09/19 02:44 PM
16/09/19 02:44 PM
Joined: Dec 2017
Posts: 275
Colorado, USA
B
britmog Offline
Learner Plates Off!
britmog  Offline
Learner Plates Off!
B

Joined: Dec 2017
Posts: 275
Colorado, USA
Button,

Yes, the EFI self adjusts with altitude. Living at 9000 feet and often driving mountain passes well over 10500 feet I can attest to this. I still have my adapted cold air intake system from behind the passenger wheel, as illustrated in a previous thread.


Bruce Marshall
1964 4/4 Series V Comp (Megan)
1994 +8 (Maurice)
2013 M3W (Olga)
Re: Air Intake improvements [Re: CooperMan] #595331
16/09/19 03:06 PM
16/09/19 03:06 PM
Joined: Aug 2017
Posts: 145
Bergen, Norway
R
Robbie Mathisen Offline
L - Learner Plates On
Robbie Mathisen  Offline
L - Learner Plates On
R

Joined: Aug 2017
Posts: 145
Bergen, Norway
When I was a teenager in the norwegian coast I had a small speedboat with a 20 hp outboard. I remember I noticed that the boat was slightly faster in the cool evenings and nights, and even more so when I took the lid off the outboard while running. I had friends with similar boats, we were racing each other so it was easy to detect the increase in speed. So I do believe in delivering cold, dense air to the engine - and for reasons well explained here I do not have so much faith in the inverted louvre/trumpet system. I would like to try the "above the rad" approach, but the available space seems restricted. To those of you who has tried this, have you made some sort of scoop or have you just squeezed a tube in?


Robbie the Norseman
2004 V6 Roadster
Sherwood green
Re: Air Intake improvements [Re: CooperMan] #595333
16/09/19 03:22 PM
16/09/19 03:22 PM
Joined: Feb 2016
Posts: 1,993
East Harling, Norfolk UK
Richard Wood Online NoMood
Talk Morgan Enthusiast
Richard Wood  Online NoMood
Talk Morgan Enthusiast

Joined: Feb 2016
Posts: 1,993
East Harling, Norfolk UK
Reminds me of my first bike a Yamaha AS1, 125cc two stroke twin. Dropping the clutch from lights in cold weather it would lift the front wheel innocent


Richard

2018 Roadster - Red/Magnolia - "Morton"
1967 Land Rover series 2a SWB
1960 Velocette Venom
Re: Air Intake improvements [Re: CooperMan] #595353
16/09/19 05:13 PM
16/09/19 05:13 PM
Joined: Dec 2008
Posts: 17,822
South Yorkshire
DaveW Offline
Roadster Guru
DaveW  Offline
Roadster Guru
Member of the Inner Circle

Joined: Dec 2008
Posts: 17,822
South Yorkshire
The current trads have more space above the radiator than the cars with metal radiators.

The plastic radiator is mounted lower.


DaveW
2005 Corsa Red Roadster S1
2016 Saffron Yellow (Narrow) Plus 4
Re: Air Intake improvements [Re: britmog] #595368
16/09/19 06:24 PM
16/09/19 06:24 PM
Joined: Dec 2011
Posts: 1,880
Seattle, USA
B
Button Offline
Talk Morgan Enthusiast
Button  Offline
Talk Morgan Enthusiast
B

Joined: Dec 2011
Posts: 1,880
Seattle, USA
Originally Posted by britmog
Button,

Yes, the EFI self adjusts with altitude. Living at 9000 feet and often driving mountain passes well over 10500 feet I can attest to this. I still have my adapted cold air intake system from behind the passenger wheel, as illustrated in a previous thread.


Can You give Me some idea of how to find your "Previous Thread". Spent some time looking at EFI systems this morning. Jeep gets fresh air in front next to rad. Toyota gets it in front of Driver side tire. Best as I can tell Corvette gets it from on top of rad. Looks like Morgan just tucks into any old place to get rid of it.


Button
Re: Air Intake improvements [Re: CooperMan] #595383
16/09/19 07:22 PM
16/09/19 07:22 PM
Joined: Sep 2009
Posts: 4,147
Köln, Germany
Heinz Offline
Part of the Furniture
Heinz  Offline
Part of the Furniture

Joined: Sep 2009
Posts: 4,147
Köln, Germany


'14 4/4 graphite grey
Re: Air Intake improvements [Re: Heinz] #595399
16/09/19 08:25 PM
16/09/19 08:25 PM
Joined: Feb 2016
Posts: 1,993
East Harling, Norfolk UK
Richard Wood Online NoMood
Talk Morgan Enthusiast
Richard Wood  Online NoMood
Talk Morgan Enthusiast

Joined: Feb 2016
Posts: 1,993
East Harling, Norfolk UK
Originally Posted by Heinz
Button, if you scroll a bit you can see Bruce‘ solution on this page.

http://www.talkmorgan.com/ubbthreads.php/topics/595382/2


Hope you don't mind this suggestion Heinz. If you wish to offer a link to a specific post in a thread, scroll to that post and click on the post number, top right with # prefix. The post will reload, you can then copy the URL displayed at top of your browser and paste that as your link.


Richard

2018 Roadster - Red/Magnolia - "Morton"
1967 Land Rover series 2a SWB
1960 Velocette Venom
Re: Air Intake improvements [Re: CooperMan] #595405
16/09/19 08:46 PM
16/09/19 08:46 PM
Joined: Sep 2009
Posts: 4,147
Köln, Germany
Heinz Offline
Part of the Furniture
Heinz  Offline
Part of the Furniture

Joined: Sep 2009
Posts: 4,147
Köln, Germany
Thank you Richard, I had the time to use the edit function and I followed your advice above to change my post.


'14 4/4 graphite grey
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