FridgeFreezer Posted March 26, 2007 Share Posted March 26, 2007 The standard 2-prong filler cap has a nice seal round it as standard, and only the small vent in the centre to let water in when wading. Assuming I fit a breather from some other point on the tank, is there any reason not to stick a blob of sealant/weld/chewing gum in the hole to seal it up? Quote Link to comment Share on other sites More sharing options...
Tonk Posted March 26, 2007 Share Posted March 26, 2007 cant see any problem with wot u're thinkin, but wont your engine cut out before it gets anywhere near a puddle, let alone wading it that deep Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted March 28, 2007 Author Share Posted March 28, 2007 Cynic I have now soldered the hole closed, a test with carb cleaner suggests it is nicely waterproof, if carb cleaner can't seep through it then no way is water going to. Quote Link to comment Share on other sites More sharing options...
minivin Posted March 28, 2007 Share Posted March 28, 2007 Only thing I'd say is is that it would be wise to fit some tip-over vents so that if you do put the truck on it's roof, you don't empty the tank out through the breather pipe and start a fire in the process. tends to be a little ball valve that is used on motorcycles et cetera Quote Link to comment Share on other sites More sharing options...
Tonk Posted March 28, 2007 Share Posted March 28, 2007 available at demon tweeks Quote Link to comment Share on other sites More sharing options...
rtbarton Posted March 28, 2007 Share Posted March 28, 2007 You can get those valves out of a scrappy, modern cars have them as standard. (At least my Metro did). Quote Link to comment Share on other sites More sharing options...
minivin Posted March 28, 2007 Share Posted March 28, 2007 available at demon tweeks Sorted Init Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted March 28, 2007 Author Share Posted March 28, 2007 You can get those valves out of a scrappy, modern cars have them as standard. (At least my Metro did). So what was the modern car that had one as standard then? Are they obvious / easy to find or are they tucked away and a PITFA to get to? Quote Link to comment Share on other sites More sharing options...
rtbarton Posted March 28, 2007 Share Posted March 28, 2007 So what was the modern car that had one as standard then? Are they obvious / easy to find or are they tucked away and a PITFA to get to? Anyone knows Metros are state of the ark technology. Yes they are tucked away, they connect to the filler tube and then form a loop up the C post. I'm thinking of doing something similar to my SIII, it has under-seat fill so I'm looking at replacing the filler cap with a disc to which will be fitted a Metro sealed, non-vented, locking filler cap and then a looped breather pipe installed. The idea is that if the car rolls however it ends up there will a loop of pipe higher than the car so petrol won't leak out. Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted March 28, 2007 Author Share Posted March 28, 2007 Aaah, the convoluted breather method. It's a good theory but since LR's tend to end up on their side not their roof you'd have to loop it left to right and back, for full protection you would also have to loop it up and back down below tank level which means you have a lot of breather pipe to tuck in. I suppose though you only really need to loop it to the dimensions of the tank as the fuel can't get further than that anyway, or would it siphon itself if you make it too close? Quote Link to comment Share on other sites More sharing options...
rtbarton Posted March 28, 2007 Share Posted March 28, 2007 I suppose if you fitted the breather to the left of the tank it wouldn't matter if it fell onto its right side, so that's half the battle. Quote Link to comment Share on other sites More sharing options...
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