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Marlin Sportster, Cabrio, Berlinetta and Roadster builds Enthused or Confused about your vintage Marlin build? Ask away here or show off your build. |
2nd March 2010, 10:17
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Fuel Hose Panic!
Guys,
I've just been trying to get data sheets for the fuel hose I've used, as the printing on it isn't great. I've found out from the Motor factor that it supplied by MAFCO, who actually get it from CODAN.
On Finding the relevent details, I see that it is not for use on fuel injected system - even though I specifically asked for fuel injection hose when I bought it a year / 18 months ago.
http://www.codan.co.uk/product_detai....5mm%20x%2020M
Of course, I can't prove that, but I am going to have to go and get some new hose.
What I need to know is how anal are the testers on this? I have a full tank of fuel ready for Friday, and I have this fuel hose everywhere. Can I get away with just replacing the bits that are on the high pressure side of the system?
i.e HP Pump -> Fuel Rail -> Return to swirl pot?
Or will I have to replace it all?
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2nd March 2010, 11:35
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Sod it - just bought 5 meters of Gates fuel injection pipe, and a whole bundle of fuel pipe clamps for it (I thought I'd replace them all, as I believe the pipe I have at the moment has a smaller OD, and I'd end up swearing lots when none of the existing clamps expand enough for the new stuff!)
Guess who's going to be getting a face full of petrol tonight...
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2nd March 2010, 20:14
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The testers may not have noticed but you'll sleep better to know it's been changed both before and after the IVA!
...peter
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2nd March 2010, 20:29
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Well, I don't want to do that again. I had a list of jobs, but only got the fuel lines done. I think I must have had a couple of pints of petrol over my hands!
It'll be another night in the garage tomorrow then....
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3rd March 2010, 07:40
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Quote:
Originally Posted by GreatOldOne
Well, I don't want to do that again. I had a list of jobs, but only got the fuel lines done. I think I must have had a couple of pints of petrol over my hands!
It'll be another night in the garage tomorrow then....
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I think you are just as well to have changed it. They checked my car pretty thoroughly for markings on fuel hoses, brake lines, ignition leads etc.
Robin
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3rd March 2010, 07:59
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Yeah - HT leads - mine are standard OEM leads from BERU. I don't think there are any markings on them, but I have downloaded datasheets for them.
Brake lines - I'd better get on the HEL website and download the details for those as well... My folder will weigh more than the car at this rate!
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3rd March 2010, 07:37
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Don't worry, on the run up to my SVA I was at work all day then pulled 8 hours every night on the car for a week!
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3rd March 2010, 14:03
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They checked my flexible fuel lines, the main run from the back was copper pipe, and the flexi hose was low pressure type. Didn't need HP as its only feeding a carb.
They also checked my ignition leads.
They looked at my brake flexible hoses, which were Aeroquip items.
All pipe runs were checked to make sure they were adequately supported, and checks were made for any possibility of fouling on moving components.
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3rd March 2010, 14:05
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Thanks Chris. You have a Carb? Which engine have you got?
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3rd March 2010, 14:34
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2 litre DOHC 8V. Pushes out about 115bhp. I dream of a 160bhp zetec.
However the performance although not shattering is quite entertaining. Sandie got a bit twitchy when I suggested spending another £3k.
The diff is relatively high ratio and its geared for 160 mph in top, not that is achieveable, but it cruises nicely at 85, and seems to return about 30mpg.
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10th August 2011, 11:34
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Now you've got me thinking.
I've got low pressure rubber hose running from back to front and on the return from the swirl pot to the tank. I've got high pressure hose between the swirl pot, filter, pump, fuel rail and back to the swirl pot.
Having seen this thread I checked the IVA manual.
Nothing, or at least I couldn't see it or missed it.
Now common sense says use HP hose in the HP part of the fuel system but I can't see anywhere in the IVA Manual that refers to it and therefore, what the VOSA testers will be checking against.
Changing all my fuel lines to HP hose will give me peace of mind but do I need to spend £30 to £40 to replace it all and has anyone seen where the requirement is documented.
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10th August 2011, 19:36
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I think fuel hoses come under General construction.
Under Standards Paragraph 3. it says...
The vehicle structure and all components including their attachment must be suitable and of adequate strength. (see note 2)
And note 2 says.....
Note 2 This assessment includes the attachment of any component/assembly of any structure, the strength and suitability of materials used, (including pipes etc), all fastenings, (welding, brazing, bonding, rivets, nuts and bolts etc) are to be assessed for suitability, completeness and security.
The SVA/IVA inspectors are looking for standard automotive components rather than 'a bit of old hose pipe' from the local diy store. Try to use some with manufacturers or BSI/DIN markings and be prepared to justify why it is suitable.
You see in this thread preparation of other builders by printing copies of manufacturers data sheets is a good back up if there are any questions. Like Jason and others I had a folder full of useful information. (A general reminder to keep all your receipts from Marlin and any other major components)
Back to your question, so long as you can show you've used the right hoses and they are marked, I think you'll be fine.
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14th August 2011, 20:14
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Quote:
Originally Posted by peterux
The SVA/IVA inspectors are looking for standard automotive components rather than 'a bit of old hose pipe' from the local diy store. Try to use some with manufacturers or BSI/DIN markings and be prepared to justify why it is suitable.
Back to your question, so long as you can show you've used the right hoses and they are marked, I think you'll be fine.
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I've decided to go for the HP hose throughout. Better safe than sorry and it seems better to avoid a repeat of Jasons unleaded shower by changing the hoses before they, or the tank, have seen any of the wet stuff. It's meant I've had to change to a larger P clip as well so I hope the IVA man appreciates the effort......................
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14th August 2011, 21:16
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Eau-de-Unleaded. Splash it all over.
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15th August 2011, 15:54
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Fuel Hose
I have recently been through this problem-of far more interest than the pressure rating is the resistance to unleaded petrol. The suppliers appear to be selling off all their old R6 spec pipe before moving on to the new R9 spec!The new stuff is available on EBay if you search for it.
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10th October 2012, 21:25
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Quote:
Originally Posted by cabrioman
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Hmmm...an interesting additional note added to the web page spec but further down it says SAE30R7 which doesn't (as far as I can make out) cope with ethanol enhanced fuels.
I'd already looked at the Sytec spec here...
http://www.glencoeltd.co.uk/fuel-hos...mm-ihs600-820/
as I've used Sytec before but I can't find anything that says Ethanol in their spec sheet or a R9 variant.
The Goodyear spec is very clear....
http://www.goodyearep.com/ProductsDetail.aspx?id=17700
and specifically states...
"Compatibile with gasoline, ethanol extended fuels, diesel and biodiesel fuels"
I can see why the industry is confused in Germany!!
...peter
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19th April 2013, 19:04
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I don,t think its your hoses Ian, petrol is different to water in that it has no surface tension and will escape from areas that water never would and as such would probably permeate along the hoses as well giving you the feeling that is coming from them. I would suspect you have a leak from one or more of your connections somewhere.
If you want to know more about petrol and the potential problems relating to E10 fuel that is coming this year I posted an interesting article a few days ago in General chatter a few days ago. Be warned though its quite long.
Good luck with the investigation, let us know what you find.
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1st May 2013, 12:52
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I had a friend many years ago who had a mini that smelt of petrol, There was supposed to be a vent pipe from the top of the tank but it had fallen off. So he blocked the hole with plasic filler.
During the next week or so there were mysterious boing sounds from the back of the car.
When he went into the petrol station to fill up he could get only 2 gallons in the tank as it had been crushed by creating a vacuum inside it.
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1st May 2013, 20:07
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Well done Ian, it had to be something like that, not your hoses ( unless they had a split of course.
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