Hi. The pipe that runs from the cowling on the exhaust manifold to the hot / cold air diverter valve on my 16rs is missing.
I've seen upvc 50mm diameter pipe on ebay but think it might melt on the exhaust end.
Aluminium ducting is another option but I've found it to be quite fragile when using it in the past on ventilation.
I've never seen what would have been used originally.
Could someone advise if there is a good aftermarket solution.
Many thanks
Hot air intake pipe
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Re: Hot air intake pipe
Yes I agree that pvc would be no good. But you do need some ducting for warm air in the winter to prevent carb icing. I have never had to source this but I know that Masterflex in Oldham do a range of high temp flexi ducting which might be suitable.
Last edited by Jaba on Sun Oct 27, 2024 9:58 am, edited 1 time in total.
The Joy of BX with just one Citroën BX to my name now. Will I sing Bye Bye to my GTI or will it be Till death us do part.
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1988 Citroen BX 1.6 RS (sun seeker) - x 5
Re: Hot air intake pipe
Thanks for lead, I'll have a look.
There is a product on ebay but it's around £60 for that diameter and length which is a lot more than I was expecting to pay.
There's also a 16 petrol estate on marketplace being broken for spares, I could send a message there. Thanks
There is a product on ebay but it's around £60 for that diameter and length which is a lot more than I was expecting to pay.
There's also a 16 petrol estate on marketplace being broken for spares, I could send a message there. Thanks
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1988 Citroen BX 1.6 RS (sun seeker) - x 5
Re: Hot air intake pipe
I messaged Masterflex.
Unfortunately I would need to buy a 4 metre length.
£70 + Vat delivered.
Although not as good value maybe £60 for 1 metre delivered from a site on ebay isn't so bad after all..
Unfortunately I would need to buy a 4 metre length.
£70 + Vat delivered.
Although not as good value maybe £60 for 1 metre delivered from a site on ebay isn't so bad after all..
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Re: Hot air intake pipe
What about chimney flue lining its flexible stainless and hopefully available easily in short lengths as long as your diameter coincides.
Maybe £60 on eBay is the best idea if it has a bit of insulation on it.
Maybe £60 on eBay is the best idea if it has a bit of insulation on it.
The Joy of BX with just one Citroën BX to my name now. Will I sing Bye Bye to my GTI or will it be Till death us do part.
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Re: Hot air intake pipe
I think I found what I need.
Not sure how to create a link but if anyone else has same problem. listing 402684395531 on ebay looks ok to me. Can get 51mm inner diameter and 1 meter length
Not sure how to create a link but if anyone else has same problem. listing 402684395531 on ebay looks ok to me. Can get 51mm inner diameter and 1 meter length
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'88 BX GTi (a long time ago) - x 116
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Re: Hot air intake pipe
Thanks, I'll report back how suitable it turns out to be for any future petrol BX restorer who might be in the same situation
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Re: Hot air intake pipe
Right'o I fitted the pipe today.
It's a bit tight (I ordered 50mm diameter) and has a hardened steel wire coil so doesn't stretch at all.
I managed to 'screw' one end at the diverter valve on by rotating the whole pipe but manifold end I had to cut the coil wire maybe 30mm from end of the pipe and feed it out then I managed to stretch the pipe over.
Bit of a chore but it looks good now.
Going to see about utilising one of the small bits of threaded stud that stick out of the bulkhead to make a support for it.
It's a bit tight (I ordered 50mm diameter) and has a hardened steel wire coil so doesn't stretch at all.
I managed to 'screw' one end at the diverter valve on by rotating the whole pipe but manifold end I had to cut the coil wire maybe 30mm from end of the pipe and feed it out then I managed to stretch the pipe over.
Bit of a chore but it looks good now.
Going to see about utilising one of the small bits of threaded stud that stick out of the bulkhead to make a support for it.
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Re: Hot air intake pipe
I used this stuff below, looks pretty similar to the original dutcing that had prettty much completley disintegarted on my GT! I used 70mm and 50mm diameters which just about works for the cold air and hot air feeds. I can't remember which, but one end I had to make three small cuts to allow it to be secured onto the air divider. But I see they now do quite a few sizes between 50 and 100mm, they do paper covered and naked aluminium.
I'd recommend using the naked duct for the hot air feed! And measure twice
https://www.carbuilder.com/products/cla ... 040c&_ss=c
https://www.carbuilder.com/products/50m ... c452&_ss=c
I'd recommend using the naked duct for the hot air feed! And measure twice
https://www.carbuilder.com/products/cla ... 040c&_ss=c
https://www.carbuilder.com/products/50m ... c452&_ss=c
I'm not a Saint, or a James, but a Tom Saint-James!
Mes voitures:
1985 Citroen BX19 GT
1988 Volvo 740 2.0 GL Hearse
2006 Lexus RX 400h SE hybrid
Mes voitures:
1985 Citroen BX19 GT
1988 Volvo 740 2.0 GL Hearse
2006 Lexus RX 400h SE hybrid
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- Over 2k
- Posts: 2011
- Joined: Tue May 04, 2010 8:01 pm
- Location: Somerset
- My Cars: 1985 Citroen BX19 GT
198x Citroen BX16 TRS auto
1988 Volvo 740 2.0 GL Hearse
1991 Saab 900 16v convertible
2007 Lexus RX 400h SE - x 136
Re: Hot air intake pipe
I'm not a Saint, or a James, but a Tom Saint-James!
Mes voitures:
1985 Citroen BX19 GT
1988 Volvo 740 2.0 GL Hearse
2006 Lexus RX 400h SE hybrid
Mes voitures:
1985 Citroen BX19 GT
1988 Volvo 740 2.0 GL Hearse
2006 Lexus RX 400h SE hybrid