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eagle3 Alfa 33
Joined: 11 Nov 2007 Posts: 402 Location: France
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Posted: Thu May 30, 2013 7:58 am Post subject: Catalytic converter |
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G'day.
I've just put my oct '94 33 1.3i.e. through the CT(MOT here in France).
It failed on front flexible brake hoses, a duff headlight(not big problems) but I also need a new cat and lambda as it's chucking out far too much CO. Not a major surprise as both items were cheapo aftermarket products which have got me through six years.
Cats here are silly money and I'm looking to buy in the UK. In particular http://www.rockauto.co.uk/catalog/moreinfo.php?pk=2729210&cc=923301
and will put a new rear silencer on as well.
Anyone here have any experience with 33 cats and this make of cat? Or where I can get a good quality one without having to take out a personal loan.
Cheers _________________ Alfa33 QO 1984
Alfa33 1.3i.e. 1994 |
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eagle3 Alfa 33
Joined: 11 Nov 2007 Posts: 402 Location: France
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eagle3 Alfa 33
Joined: 11 Nov 2007 Posts: 402 Location: France
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lee16v 16 Valve
Joined: 29 Jun 2005 Posts: 1429 Location: Devon, UK
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Posted: Sun Jun 02, 2013 8:13 pm Post subject: |
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eagle3 wrote: |
For info this repair pipe is available for less than £25 on ebay.co.uk - item 400404872252 |
There's no mention of diameter of pipe. Are you sure it's the correct size?
Had a look through the shop, some good stuff there. Thanks for the info. |
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eagle3 Alfa 33
Joined: 11 Nov 2007 Posts: 402 Location: France
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Posted: Mon Jun 03, 2013 12:22 am Post subject: |
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lee16v wrote: |
eagle3 wrote: |
For info this repair pipe is available for less than £25 on ebay.co.uk - item 400404872252 |
There's no mention of diameter of pipe. Are you sure it's the correct size?
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I'm pretty sure it's the right size. That pipe bit seems to rust very quickly (as if it's acting like a sacrificial anode) as the converter box itself is stainless. They should have made it all stainless I suppose. I would have to get someone to weld it on.
Original cat was removed in 2007 at 55,000 miles. When I shake it it doesn't rattle so I think it might still have some life in it. _________________ Alfa33 QO 1984
Alfa33 1.3i.e. 1994 |
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lee16v 16 Valve
Joined: 29 Jun 2005 Posts: 1429 Location: Devon, UK
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Posted: Mon Jun 03, 2013 6:48 pm Post subject: |
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Would it not be better to have that pipe made in stainless? I had mine made locally for not much money ( was about 6 years ago though) and then welded it up myself. I also used a universal cat which was about £50 and removed the center silencer. |
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eagle3 Alfa 33
Joined: 11 Nov 2007 Posts: 402 Location: France
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Posted: Tue Jun 04, 2013 8:34 pm Post subject: |
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I suppose it boils down to how long you think the car will last an how much money you want to throw at it.
I'm going to put it through again after running it for a good few hours at high revs. The line isn't in poor condition. No leaks. I'm hoping a good blast will clear it out.
If that doesn't work I'll have to look at it again. _________________ Alfa33 QO 1984
Alfa33 1.3i.e. 1994 |
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john 33_16v 16 Valve
Joined: 27 May 2005 Posts: 1406 Location: herts, uk
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Posted: Wed Jun 05, 2013 8:00 am Post subject: |
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You could try one of the cat cleaning products too.
My wifes pug 308 failed it's MOT at just 4 years with horrendous emmissions. It had only really been used for school runs the year before.
I put 'cataclean'- (i think) into the tank, ran the car for a week, then thrashed it on MOT retest day and the emmissions were fine.
John _________________ If it aint broke, fiddle with it until it is!
- - - - - - - - - - - - - -
93 33 16v Mirtle Met
08 Fiat Grande Punto Exotica Red
90 Yamaha FZR600 Genesis- Silky white/red/blue |
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BigAl P4
Joined: 06 May 2003 Posts: 2990 Location: U.K Surrey
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Posted: Wed Jun 05, 2013 10:13 am Post subject: |
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lee16v wrote: |
Would it not be better to have that pipe made in stainless? I had mine made locally for not much money ( was about 6 years ago though) and then welded it up myself. I also used a universal cat which was about £50 and removed the center silencer. |
+1 on SS exhaust. _________________ x2 33 16v
pictures http://www.alfa-pages.co.uk/viewtopic.php?t=5203 |
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lee16v 16 Valve
Joined: 29 Jun 2005 Posts: 1429 Location: Devon, UK
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eagle3 Alfa 33
Joined: 11 Nov 2007 Posts: 402 Location: France
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Posted: Mon Jun 10, 2013 11:40 am Post subject: |
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The cat that's on the car at the moment is a similar cheapo one like that. It was a pita to fit - about an inch or three shorter that it should have been for the Walker rear silencer. I had to improvise by adding a bit of pipe on the join which is still holding. I don't really want to go through that again. It would nice if the cat lasts at least as long as the silencer.
Yes all 8v pipes are that diametre. _________________ Alfa33 QO 1984
Alfa33 1.3i.e. 1994 |
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eagle3 Alfa 33
Joined: 11 Nov 2007 Posts: 402 Location: France
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Posted: Mon Jun 10, 2013 10:01 pm Post subject: |
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Changed front flexible brake hoses and clutch slave yesterday.
Took it for a blast this evening. It runs great so I'm still hoping it will pass after I've given it some decent runs and when it's good and hot. If not I'll just have to bite the bullet. I haven't decided what to do but t would be nice to have a Walker cat and silencer and an NGK sensor. That's about €500 though .
_________________ Alfa33 QO 1984
Alfa33 1.3i.e. 1994 |
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