
Fuel Pipes
#1
Posted 07 August 2010 - 12:01 AM
need to replace fuel lines on a 92 cooper any idea where i can get a set or could i run copper pipe??
cheers
#3
Posted 07 August 2010 - 08:07 AM

Its the one on the right in the white clips. comes through the rear seat back and down through the hole to the floor. then its cliped against the tunnel to the front. the other things in the picture are my brake line and battery cable. Remember to use rubber gromets in the holes if you decide to do it this way.
#4
Posted 07 August 2010 - 11:59 AM
I cut a bit of the old pipe off and took it to my local hydrolic hose supplier. Asked for a length of braided fuel line of the same size. Cost me £2. ran it through the car so it wont get damaged.
Its the one on the right in the white clips. comes through the rear seat back and down through the hole to the floor. then its cliped against the tunnel to the front. the other things in the picture are my brake line and battery cable. Remember to use rubber gromets in the holes if you decide to do it this way.
was this hose run the complete length???
i like this idea, will it be a safe option???
cheers
#6
Posted 07 August 2010 - 12:05 PM
#7
Posted 07 August 2010 - 12:49 PM
yep same pipe all the way from the pump in the boot to the carb. If you are still useing a mecanical pump then just connect it to the same place the old one came off. totally safe as long as you ask for fuel pipe. wont ever get damaged so a one time job.
great thanks, just need to find where to get it local now lol, i'll need 3 full lengths to get
cheers again
#8
Posted 07 August 2010 - 01:12 PM
So if your now involved in a road traffic collision and the fuel line fractures, are'nt you going to end up with the fuel spilling out inside the car. (& in the event of a roll over, the same fuel spilling all over the occupants!!) Call me paranoid if you like, but I think I'd rather risk an external fuel line getting damaged, at least that way the fuel escapes safely(ish) outside of the car.
Also if its clipped next to the tunnel isnt it running directly above the hot exhaust? Meaning that unless your floor pan is 100% water tight, any leak is going to drip down onto a potential source of ignition?
I do appreciate that internal fuel lines are used in motorsport, but is'nt that because of the high risk of the fuel line getting damaged during contact. Also on the track the occupants are wearing flame retardent race suits and the emergency services are a few meters away armed with fire fighting equipment!
Don't get me wrong I'm not having a go, it just doesnt sound very safe for road car use!
#9
Posted 07 August 2010 - 01:38 PM
#10
Posted 07 August 2010 - 03:24 PM
Whilst I wouldn't claim to be an expert, I do deal with car wrecks fairly regularly in my line of work. It is therefore possible that my perspective is different to yours beacuse of this, (e.g because I am regularly exposed to what could be considered the worst case scenario). I have however seen many examples where the forces involved in road traffic collisions have been significant enough to move the fixed contents of a vehicle a number of feet (far enough to fracture the most flexible or armoured of fuel line) and for the occupants to still walk away with just minor or no injuries. Whilst I agree that petrol splashing on your shoes may seem like an insignificance wether you are fataly injured or not, I do not feel that being trapped in a burning wreck is a particularly pleasent encounter, and therefore it probably should be avoided in most cases.
It is true that the carb and fuel line does sit above the exhaust manifold, But again this is outside the passenger compartment, which is not a good place for a fire but is prefferable to inside it! As for issigonis, correct me if I'm wrong but did'nt he originaly design the exhaust manifold to exit at the front of the engine, but then it had to be moved by design engineers to beneath the inlet to stop the carb icing up? (not that I think that 50's vehicle design is a particularly good example of safety standards in the first instance)
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