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Cleaning the fuel tank #600438
22/10/19 04:43 PM
22/10/19 04:43 PM
Joined: Aug 2019
Posts: 104
BigLes Offline OP
L - Learner Plates On
BigLes  Offline OP
L - Learner Plates On

Joined: Aug 2019
Posts: 104
The fuel tank on my 40 year old Morgan 4/4 is depositing rust particles in the fuel (I can see it in the fuel filter). I understand I can remove the tank and clean it out & reseal the interior, using a kit such as Slosh or Frosts. Has anyone used either of these and what was your experience?


Plus 4 4 seater Fiat TC 2ltr
Re: Cleaning the fuel tank [Re: BigLes] #600448
22/10/19 05:20 PM
22/10/19 05:20 PM
Joined: Oct 2012
Posts: 6,529
Warks
N
NeilL Offline
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NeilL  Offline
Talk Morgan Sage
N

Joined: Oct 2012
Posts: 6,529
Warks
Yes. I resealed the Tank on my 1920 Triumph Model H.

The sealer came as a kit. Step one was to thoroughly clean the inside of the tank with a highly toxic acid like liquid - with ball bearing type agitators.

Then the tricky bit. Combining two sealers together and pouring it into the tank. Inlet and outlet holes plugged to enable them to remain open and without sealer in the threads.

Then curing in the airing cupboard for about 24 hours.

It was a v v tricky job. The lesson I learnt was to ensure the the Holes were not allowed to have and coating in them nor built up around the “plug”.

Anyway in the end it all worked laugh2

Good luck!


Neil

Re: Cleaning the fuel tank [Re: BigLes] #600460
22/10/19 06:10 PM
22/10/19 06:10 PM
Joined: Aug 2019
Posts: 104
BigLes Offline OP
L - Learner Plates On
BigLes  Offline OP
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Posts: 104
Hi Neil - what system/product did you use?


Plus 4 4 seater Fiat TC 2ltr
Re: Cleaning the fuel tank [Re: BigLes] #600467
22/10/19 06:38 PM
22/10/19 06:38 PM
Joined: Dec 2011
Posts: 1,943
Seattle, USA
B
Button Offline
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Button  Offline
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B

Joined: Dec 2011
Posts: 1,943
Seattle, USA
I used a Slosh Kit on My +4 way back when. It did get Me thru MOA III but on My way back to Seattle in Montana a glob of slosh compound would get into the intake tube and a "Peterbuilt" truck would turn into "PETE". The speeds were awesome. I had a new gas tank made when I returned to Seattle. Not excited about "sloshing".


Button
Re: Cleaning the fuel tank [Re: BigLes] #600521
23/10/19 05:36 AM
23/10/19 05:36 AM
Joined: Dec 2014
Posts: 708
Antwerpen Belgium
stefan s Offline
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stefan s  Offline
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Joined: Dec 2014
Posts: 708
Antwerpen Belgium
Most of the sealers are not resistant against the new bio fuell. Experience with motorcycles.

Stefan

Re: Cleaning the fuel tank [Re: BigLes] #600525
23/10/19 06:28 AM
23/10/19 06:28 AM
Joined: Nov 2018
Posts: 1,779
Northants, UK
TBM Online content
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TBM  Online Content
Talk Morgan Enthusiast

Joined: Nov 2018
Posts: 1,779
Northants, UK
I've used POR15 with good results and it's allegedly resistant to Bio/Ethanol fuels.

Frosts POR15


1972 4/4 4 seater
Too many ratty motorbikes
Re: Cleaning the fuel tank [Re: BigLes] #600539
23/10/19 08:09 AM
23/10/19 08:09 AM
Joined: Aug 2019
Posts: 104
BigLes Offline OP
L - Learner Plates On
BigLes  Offline OP
L - Learner Plates On

Joined: Aug 2019
Posts: 104
I'll have to check out the bio fuel situation.


Plus 4 4 seater Fiat TC 2ltr
Re: Cleaning the fuel tank [Re: BigLes] #600554
23/10/19 09:11 AM
23/10/19 09:11 AM
Joined: Sep 2014
Posts: 1,651
London
MOG 615 Online content
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Posts: 1,651
London
Be very careful about tank sealants , they will either work well , or you will get decades of problems.

I have heard of both results in about equal numbers.

In order to ensure that you don't suffer from the latter, either go down Bill Button's route and bite the bullet and get Simon or Mulfab to make you a nice new tank, or get an old fashioned metal fabrication shop to take your tank apart and get it rebuild with all new seams. However finding a shop who would want to take on such a job nowadays may be tricky.

if it were my car I would go down the new tank route.


Andy G
1999 +8 , Indigo Blue.
Ex-John McKecknie/Mike Duncan 1955 +4 racer.
Re: Cleaning the fuel tank [Re: BigLes] #600555
23/10/19 09:25 AM
23/10/19 09:25 AM
Joined: Nov 2018
Posts: 1,779
Northants, UK
TBM Online content
Talk Morgan Enthusiast
TBM  Online Content
Talk Morgan Enthusiast

Joined: Nov 2018
Posts: 1,779
Northants, UK
I had trouble with mine - a bit older than yours but tiny rust particles were blocking the idle jet in my Weber.

Bought an aftermarket filter - one of the washable glass type. Found this far better than the 'proper' MAHLE style filters at catching the debris.

Also made sure I kept the tank full as much as often as I could, especially if not using her for a week or so, but try and use her as much as possible to stop future build up of rust.

There are some nice stainless replacement tanks out there, but they come at a cost!


1972 4/4 4 seater
Too many ratty motorbikes
Re: Cleaning the fuel tank [Re: BigLes] #600557
23/10/19 09:35 AM
23/10/19 09:35 AM
Joined: Apr 2008
Posts: 8,900
Gloucestershire, UK
Hamwich Offline
Needs to Get Out More!
Hamwich  Offline
Needs to Get Out More!

Joined: Apr 2008
Posts: 8,900
Gloucestershire, UK
I agree with Andy, the Morgan tank is a simple affair, easy to make, and not crashingly expensive. For something fancy or difficult to source like Neil's Model H, it would be worth trying to use sealant, but not for a Mog I would say.


Tim H.
1986 4/4 VVTi Sport, 2002 LR Defender, 1957 R4 CV, 2005 Ferrari Vipar
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