Disaster in the making, Potentially fatal one as well, Darwin awards here i come!!
I've got a 1978 MG midget, now all laugh and point, that I picked up as a restoration job.
After doing basically fick all with it, i had it nearly road-worthy.
I did find one small irritation with it, it seemed to run out of fuel when the gauge said it had half a tank. So I opened the boot, and removed the fuel filler line. Yes, these stupid, useless cars have the main filler pipe cutting across the corner of the boot.
Anyways, It did indeed have half a tank of fuel, so I traced the fuel line back and realised that the line was cracked from just under the drivers seat, all the way into the engine bay, new fuel line needed.
Did I go out an buy a proper EXPENSIVE fuel line? Nope, I trundled across the road to 'pets-at-home' and bought 20 feet of aquarium air bubble hose.
So now if anyone see's a small bloke with a crap haircut spontaneously combust in a stupid old sports car, then you know that petrol in a rubber fish tank air hose doesn't work.

However, it's served me well for just under 2000 miles, so I think it's holding. Might bitumin over it for it MOT next month.
(Mensa Reject has gone out, I'll be back on, Sat 5 Apr 2008, 1:46, 4 replies)

so go get a better hair cut
then when you explode, you can go out in style!
( flirting with badgers What? It sounded good at the time., Sat 5 Apr 2008, 2:02, closed)

Pipe
From past experience the fish tank tubing works fine, over time it will harden a little which makes it less flexible (if that's important) but it at least doesn't perish or leak.
(Benzyl, Sat 5 Apr 2008, 4:04, closed)

My ex had one of the old Saabs.
It broke down in York, and she called a mechanic, something to do with the brakes. Basically they were buggered, and it required a day or so in the car hospital, so she innocently asks, "Could you just bodge them up a bit, we need to get home?"

The mechanic's face was a picture, "We do NOT bodge brakes."
(Bear Pookie The Frankly Challenged. Halloween is coming to town., Sat 5 Apr 2008, 7:38, closed)

use teflon next time!
There's a really cheap teflon spray you can get - I sprayed it down the insides of the exact same stuff you're using I think, to use in my homemade mini flame-thrower (petrol powered). Still works fine! The teflon spry sticks to the plastic (go figure) and seems to protect it too!
(dadadali has hybrid vigour, Sat 5 Apr 2008, 10:01, closed)