cook1e Posted February 13, 2011 Share Posted February 13, 2011 Went out to my Garage yesterday to find a completely flat rear tyre on the GT6. Pumped it up and checked it again and it had lost about 3lbs of pressure overnight so took it to the local tyre place today to get the "Slow Puncture" repaired.The Tyre place found the leak, and it's not the tyre it's the wheel rim.... They've painted the bit of the rim that sits inside the tyre with some sealant. The wheels are pretty old alloys, they were on the car when I got it 23 years ago and weren't new then, however I do love the look of my Cosmic wheels and don't want to get rid of them if I can help it.Has anyone else had experience of porous alloys and rim sealant's? Is this a safe solution or should I really consider replacing the wheels....Financially this wouldn't be difficult as Cosmics seem to sell for a lot of dosh on ebay, but I definitly like the 60/70's retro style of them to match the GT6 and prefer them to other 60/70's styles like minilights or wolfrace wheels of the same period. Link to comment Share on other sites More sharing options...
CHRIS211083 Posted February 13, 2011 Share Posted February 13, 2011 Rim sealant is common practice on all alloy wheels and should be applied every time they are changed regardless. As long as there are no cracks and no dents then don't worry about it. However if there are dents/cracks or the wheels are warped then they must be replaced. These would be found when the tyre is off and the trueness of the wheel will be checked when the wheel/tyre is balanced.Chris. Link to comment Share on other sites More sharing options...
CHRIS211083 Posted February 13, 2011 Share Posted February 13, 2011 PS Nice rims.Chris. Link to comment Share on other sites More sharing options...
lancepar Posted February 13, 2011 Share Posted February 13, 2011 Pity you don't live near Cradley Heath, you should see the state of some of the alloys my mate repairs. He has only been doing it for the last sixty year though. 8) Link to comment Share on other sites More sharing options...
ferny Posted February 13, 2011 Share Posted February 13, 2011 They should be fine now. Perhaps next time you replace the tyres get the wheels refurbed at the same time? Far cheaper than new alloys and I don't think anything else will suit your car as well. Link to comment Share on other sites More sharing options...
Paudman Posted February 13, 2011 Share Posted February 13, 2011 1704 wrote:Pity you don't live near Cradley Heath, you should see the state of some of the alloys my mate repairs. He has only been doing it for the last sixty year though. 8)He should have got it right by now? Link to comment Share on other sites More sharing options...
cook1e Posted February 13, 2011 Author Share Posted February 13, 2011 2402 wrote:Rim sealant is common practice on all alloy wheels and should be applied every time they are changed regardless. As long as there are no cracks and no dents then don't worry about it. However if there are dents/cracks or the wheels are warped then they must be replaced. These would be found when the tyre is off and the trueness of the wheel will be checked when the wheel/tyre is balanced.Chris.Thanks Chris,This is pretty much the same message as I got from the Tyre place. They told me they often use sealant and even fairly new alloys can become slightly porous. They said there was no damage to the rim and the wheel was rebalanced after the tyre was re-fitted so seems I can carry old with the Cosmics which is good news cos I like them! Link to comment Share on other sites More sharing options...
marktheherald Posted February 13, 2011 Share Posted February 13, 2011 SNAP.. one of my Cosmics is porous. Fitted a tube which lasted about 3yrs before it rubbed a hole in itself inside the tubeless tyre. Have fitted another tube.. anything to keep my Cosmics! Link to comment Share on other sites More sharing options...
Clive Posted February 13, 2011 Share Posted February 13, 2011 Can the inside of th erims not be stripped and painted? A coat of etch primer and a decent paint should be a more long-term solution than the sealants. Downside is that the car is immobile for a while (which I suspect is why the sealant approach is used by tyre fitters who want the job done PDQ) Link to comment Share on other sites More sharing options...
Nick Moore Posted February 14, 2011 Share Posted February 14, 2011 Maybe we should start a movement to get Cosmics remanufactured? I wonder if the old moulds are still around somewhere?Oh and the Lotus Europa John Player Special rims. Sigh. Link to comment Share on other sites More sharing options...
Royboy66 Posted February 14, 2011 Share Posted February 14, 2011 Preety Car ! 8) Link to comment Share on other sites More sharing options...
CHRIS211083 Posted February 15, 2011 Share Posted February 15, 2011 John brown wheels does alloys that are similar.http://www.midlandwheels.com/Shop/P-2799-5.5-x-13-JBW---D1-Black---4x95.25.htmlChris. Link to comment Share on other sites More sharing options...
don cook1 Posted February 15, 2011 Share Posted February 15, 2011 In the words of Dave..."Oh yeah, Cosmiiiicc..." Link to comment Share on other sites More sharing options...
CRAJ Posted February 15, 2011 Share Posted February 15, 2011 It's a similar story with the 'S' alloys on big saloons, also the MOMOs on the estate at the moment would do the same thing if they hadn't got sealant on them. It's fine though, if you want reassurance, those wheels did the RBRR last year without problem!Colin. Link to comment Share on other sites More sharing options...
cook1e Posted February 15, 2011 Author Share Posted February 15, 2011 Wow, Noticed that JBW do some Cosmic style wheels now as well. However they are 10 spoke rather than the classic 8 spoke and are 5 stud pattern and only available as 5.5j x 15"....http://www.midlandwheels.com/Shop/C-1422-5-x-112-Pcd.html Link to comment Share on other sites More sharing options...
CHRIS211083 Posted February 16, 2011 Share Posted February 16, 2011 Hi Cookie, thats a 15hr delayed reaction. Ha Ha. JBW stands for John Brown Wheels. See my last post above. Ha Ha.Chris. Link to comment Share on other sites More sharing options...
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