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Non-Recovery Radiator Cap
https://www.ausmini.com/forums/viewtopic.php?f=2&t=101652
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Author:  Hanra [ Fri Dec 30, 2022 8:41 pm ]
Post subject:  Non-Recovery Radiator Cap

Been a while since I fitted a new radiator cap. Most websites don’t know what a Mini is these days. So it’s useless searching. Currently have a CPC brand 13/90 cap. Tridon seems to list either a CA1390 or CN1390? Any other suggestions on what to use?

Author:  68+86auto [ Fri Dec 30, 2022 8:48 pm ]
Post subject:  Re: Non-Recovery Radiator Cap

Is it a long neck or a short neck radiator?

Author:  Hanra [ Fri Dec 30, 2022 8:59 pm ]
Post subject:  Re: Non-Recovery Radiator Cap

This is the current cap.

Author:  timmy201 [ Fri Dec 30, 2022 9:08 pm ]
Post subject:  Re: Non-Recovery Radiator Cap

There’s some suggestions here for Tridon caps

viewtopic.php?f=2&t=98289&p=1043597&hilit=Tridon+radiator#p1043597

13psi is 90kpa

Author:  Steam [ Sat Dec 31, 2022 7:45 am ]
Post subject:  Re: Non-Recovery Radiator Cap

You should firstly determine if the rad is long or short neck. most minis will be long neck but as it only takes a minute to check. measure from the bottom seal area to the top of the neck. long will be about 25mm while a short will be around 19mm.

Author:  Hanra [ Sat Dec 31, 2022 11:09 am ]
Post subject:  Re: Non-Recovery Radiator Cap

Bang on 20mm

Author:  Hanra [ Sat Dec 31, 2022 11:12 am ]
Post subject:  Re: Non-Recovery Radiator Cap

I can’t see anything in the Tridon range that will suit.

Author:  Bill B [ Sat Dec 31, 2022 11:26 am ]
Post subject:  Re: Non-Recovery Radiator Cap

That short-neck cap is p/n GRC1111 at most mini suppliers like Mini Sport SA, Karcraft, Classic Motoring etc.

Author:  Hanra [ Sat Dec 31, 2022 11:51 am ]
Post subject:  Re: Non-Recovery Radiator Cap

Hmmmm. We don’t have anything like that here. Was hoping for Rapeco/Supercrap or Autobarn.

Author:  DavidE [ Sat Dec 31, 2022 12:21 pm ]
Post subject:  Re: Non-Recovery Radiator Cap

Hanra wrote:
Hmmmm. We don’t have anything like that here. Was hoping for Rapeco/Supercrap or Autobarn.


On the Classic Motoring website the entry for GRC1111 is crossed to CN1390. This is a Tridon part and your favourite local stores should be able cough one up for you. The CPC brand seems to have an equivalent in 508-13 as well.

Author:  winabbey [ Sat Dec 31, 2022 12:36 pm ]
Post subject:  Re: Non-Recovery Radiator Cap

TRIDON part numbers are prefixed CN for the shorter (31mm) non-recovery cap and CR for the longer (34mm) cap.

Since yours appears to be the shorter style you just choose the release pressure, from 4 psi up to 20 psi.

See here - https://www.tridon.com.au/products/Trid ... iator-caps

If you want to replace your current cap with like for like then CN1390 appears to be the one you want.

https://www.tridon.com.au/products/Trid ... s/2/CN1390

Suggest you print the CN1390 page and take to your auto parts outlet for comparison with whatever brand they have.

Author:  Steam [ Sat Dec 31, 2022 12:41 pm ]
Post subject:  Re: Non-Recovery Radiator Cap

To be honest the cap you have looks fine, unless someting has broken there is little to go wrong with a non recovery cap.

Author:  winabbey [ Sat Dec 31, 2022 12:56 pm ]
Post subject:  Re: Non-Recovery Radiator Cap

I borrowed this from the Mokewerx website as a comparison of packaging of the two brands.

Attachment:
Radiator Cap Comparison.jpg

Author:  Hanra [ Sat Dec 31, 2022 1:49 pm ]
Post subject:  Re: Non-Recovery Radiator Cap

The Tridon website shows incorrect dimensions for the CN1390. That’s what threw me.

Autobarn has the correct dimensions:

https://autobarn.com.au/ab/Autobarn-Cat ... /p/SP05456

Author:  Hanra [ Sat Dec 31, 2022 1:50 pm ]
Post subject:  Re: Non-Recovery Radiator Cap

Steam wrote:
To be honest the cap you have looks fine, unless someting has broken there is little to go wrong with a non recovery cap.


I think this cap is prob 2003 vintage. So thought I might replace it.

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