Milford Cubicle Posted September 27, 2008 Share Posted September 27, 2008 The exhaust on my shit heap of a car has snapped where the catalytic converter pipe meets the middle pipe - a 4-cyl diesel does not sound good with no silencers. Anyway, it's got some fixing welded onto it exactly at the split, so I can't easily bodge it up (a can of dandelion and burdock and 2 jubilee clips was the idea).What can I do before I launch it into the river? I thought about getting a rear silencer from a scrapyard and plonking it straight on to the catalytic converter pipe, but that would involve actually buying something for the car, and I don't want to do that. Link to comment Share on other sites More sharing options...
pogweasel Posted September 27, 2008 Share Posted September 27, 2008 Gun gum, exhaust tape, a wing, and a prayer? Link to comment Share on other sites More sharing options...
Richard Posted September 27, 2008 Share Posted September 27, 2008 Lose the cat, you don't need one on a diesel and it'll run all the better for it.What kind of car is it? Link to comment Share on other sites More sharing options...
VWPowered Posted September 27, 2008 Share Posted September 27, 2008 mine broke to so built this.. Link to comment Share on other sites More sharing options...
Milford Cubicle Posted September 27, 2008 Author Share Posted September 27, 2008 Lose the cat, you don't need one on a diesel and it'll run all the better for it.What kind of car is it?It's a 1995 Golf non-turdo. I really just need to bodge it up for a while so I don't wake the dead as I drive to work.I wish I could weld/had welding equipment. Link to comment Share on other sites More sharing options...
Richard Posted September 27, 2008 Share Posted September 27, 2008 How about finding a bit of pipe that will just fit inside the existing pipe and cat and wedging it in somehow? It would still leak and sound a bit "sporty" but it should reduce the noise to an acceptable level.Either that or get a back street garage to weld a bit of pipe in place of the cat. I believe you can get money for cats so that might offset the cost a bit. Link to comment Share on other sites More sharing options...
VWPowered Posted September 28, 2008 Share Posted September 28, 2008 Cats are worth money as they cantain platinum as well as other precious metals (thios doesnt mean you should go out and CUT up afew cats..) Link to comment Share on other sites More sharing options...
Maltelec Posted September 28, 2008 Share Posted September 28, 2008 VWPowered, whats going to happen at the 1st speed bump you come to? Anyway, what you really want is an exhaust like this:  It was 12" longer but I cut one end off and welded it back together. That left shitloads of holes so I found a really good silencer wrapping tape and wrapped it up. Link to comment Share on other sites More sharing options...
Milford Cubicle Posted September 28, 2008 Author Share Posted September 28, 2008 Noice!I don't think older diesel cat's are worth as much, because they aren't as advanced as petrol ones.Anyway, I got it fixed - chopped off the welded fixing and sleeved the broken bit together. Now I can enjoy some refined diesel clatter Link to comment Share on other sites More sharing options...
VWPowered Posted September 28, 2008 Share Posted September 28, 2008 VWPowered, whats going to happen at the 1st speed bump you come to?.what speedhumps in france ps i love in the sticks... Link to comment Share on other sites More sharing options...
Guest greenvanman Posted September 28, 2008 Share Posted September 28, 2008 Gun gumIf there was an award for the most useless automotive product EVAR that stuff would win it year after year. Have any of you ever managed to get it to stay on for more than 20 minutes? Link to comment Share on other sites More sharing options...
Milford Cubicle Posted September 28, 2008 Author Share Posted September 28, 2008 I use fire putty which is for household flues and the like - works a charm. Link to comment Share on other sites More sharing options...
Richard Posted September 28, 2008 Share Posted September 28, 2008 I have. I got quite good with Gun Gum when I was routinely running shitters. I think the technique involved watering it down and applying it when the exhaust was hot.I once patched a silencer on my exhaust with Plastic Pading and the aluminium gauze that came with it. It worked perfectly until it melted. Link to comment Share on other sites More sharing options...
Maltelec Posted September 28, 2008 Share Posted September 28, 2008 The trick with Gun gum and holes is to use it to fill in the gaps and act as as a sort of glue between the exhaust and the cloth stuff you wrap around it.On my silencer pictured above, I used Holts Gun Gum as a glue and filler and a nother cheaper but far better make for the bandage which was real sticky (unlike Holts which you make damp). Wrapped it real tight and tied it on with the iron wire supplied. Link to comment Share on other sites More sharing options...
retrogeezer Posted September 29, 2008 Share Posted September 29, 2008 No nails or any instant grab adhesive is better then gun gum....got an extra 18 months out of the exhaust on my mondeo using it to patch holes. Link to comment Share on other sites More sharing options...
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