Club 80-90 Forums

(under discussion is a 2.1MV, syncro running on LPG)

Hi guys, can I quickly pick your brains?

Right, no matter what I patch my exhaust with the van just burns through it! Basically the knuckle before the final J tube on the 2.1 is "feck", so the J tube can only bolt on properly by one bolt, and only slightly on one other, leaving the third one free. It just about holds the olive in, but it still blows from there and is really loud. Plus it's throwing my lambda readings out and messing up my already woeful MPG!

I'm replacing the whole lot in January, so just want to patch up, plus the bolts holding the knuckle to the other pipes are totally mangled. I've patched with gun gum tape. Lasted a day. I've used the heavy duty woven stuff. Lasted a week. I've used aluminium tape. Lasted a couple of miles. As it's in an awkward spot I can't wrap a can or metal repair piece around it so I'm asking if anyone has a magical, flexible tape like product that could fix my solution for a few months?

Thanks!

how about welding some brackets on?
you can weld to cast iron I have read buf never tried.

itchyfeet wrote:how about welding some brackets on?
you can weld to cast iron I have read buf never tried.

Garage round the corner has welded the exhaust a few times, so my last option is to just get them to splodge a load of metal all over it to shut it up. More scrap metal for Andrew when he does the stainless!

Depends how big the hole is but I used jb weld steel stick on my wife's exhaust quite successfully
https://www.amazon.co.uk/J-B-Steel-Rein ... B000786GLM" onclick="window.open(this.href);return false;

MagicWagon wrote:Depends how big the hole is but I used jb weld steel stick on my wife's exhaust quite successfully
https://www.amazon.co.uk/J-B-Steel-Rein ... B000786GLM" onclick="window.open(this.href);return false;

I reckon that may do the trick: roll out a sausage shape and wrap it around the joint!

Nice one

I had a similar problem with mine. The knuckle joint seems to be a weak link in these exhausts. It had been patched once, and I just did the same thing again - cleaned the joint, slapped lots of exhaust paste into the gap, then covered it with mesh and tightened it down with jubilee clips. Lasted for a couple of months until I swapped it out for a stainless set.