stuart Posted May 18, 2018 Report Share Posted May 18, 2018 Bugger! Stuart. Quote Link to post Share on other sites
SeanF Posted May 18, 2018 Report Share Posted May 18, 2018 Ouch! Quote Link to post Share on other sites
TR5tar Posted May 18, 2018 Report Share Posted May 18, 2018 Which engine, Stuart? Can anything be done? Darren Quote Link to post Share on other sites
RogerH Posted May 18, 2018 Report Share Posted May 18, 2018 Hi Stuart, can you not get it brazed. Roger Quote Link to post Share on other sites
Hamish Posted May 18, 2018 Report Share Posted May 18, 2018 Bugger! Stuart. IMG_7807.JPG +1 ???? Quote Link to post Share on other sites
RobH Posted May 18, 2018 Report Share Posted May 18, 2018 Silly question probably and showing my ignorance but since the crack is between two water-ways and is constrained by the gasket which looks to have remained sealed, is that really a problem? The crack isn't going to propagate as the existing holes prevent that. Quote Link to post Share on other sites
AndrewMAshton Posted May 18, 2018 Report Share Posted May 18, 2018 Stuart, I had a crack in my trailing arm laser welded by a firm in Doncaster, they had some Aston Martin cylinder heads in the workshop they were working on, pretty impressive stuff and a very neat job on my TA! Let me know if you want more information, Andrew Quote Link to post Share on other sites
Tom Boyd Posted May 18, 2018 Report Share Posted May 18, 2018 We had a head stitch welded recently, happy to find details Monday for you? If not, I have a brand new head in stock Tom Quote Link to post Share on other sites
Nick Jones Posted May 18, 2018 Report Share Posted May 18, 2018 Silly question probably and showing my ignorance but since the crack is between two water-ways and is constrained by the gasket which looks to have remained sealed, is that really a problem? The crack isn't going to propagate as the existing holes prevent that. My first thought also. Depend whether there is structure beneath and how deep it goes. Nick Quote Link to post Share on other sites
peter clarke Posted May 20, 2018 Report Share Posted May 20, 2018 Forget it. Common to 4 pot heads. If you repair you have to shave head and nothing gained just $$$ lost. Quote Link to post Share on other sites
Geko Posted May 21, 2018 Report Share Posted May 21, 2018 The crack isn't going to propagate as the existing holes prevent that. not too sure about that.... Quote Link to post Share on other sites
PaulAnderson Posted May 21, 2018 Report Share Posted May 21, 2018 An interesting thread and hopefully some news will be posted of a potential route to salvage the head. I say that because I've a spare head with a weld in the same location probably where a similar crack has been welded in the past. I was hoping to get it converted to unleaded and fitted to my car when time and money allow. IMG_9193 Paul Quote Link to post Share on other sites
aardvark Posted May 21, 2018 Report Share Posted May 21, 2018 Two happy aliens? Quote Link to post Share on other sites
peter clarke Posted May 21, 2018 Report Share Posted May 21, 2018 My previous comment was based on photo with no sign of cracking beyond the 2 x water way holes. I have similar head crack on my car for past 10 years. If the head is to be worked on at all like valve seats, guiders or skimmed for other reason for sure make welding it part of overhaul . Quote Link to post Share on other sites
roy53 Posted May 23, 2018 Report Share Posted May 23, 2018 chatting to a well respected Healey racer in the last 3 weeks and welding of a cracked head came up. He had just used a company that had lazer welded a cracked head with top results. I have seen ali heads repaired but not steel. Will try to find out more detail of which company carried out the work as i have 2 low port heads with cracks. Roy Quote Link to post Share on other sites
Dave McDonald Posted May 25, 2018 Report Share Posted May 25, 2018 Hi Roy, I'd be interested to hear who that was, as I have a cracked 6 cylinder head. Dave Quote Link to post Share on other sites
tim hunt Posted May 25, 2018 Report Share Posted May 25, 2018 For expert cast iron welding I recommend Fraser Brown Engineering of Nigg, Ross Shire. tel 01862 851600, www.fraserbrowneng.co.uk . Three years ago they repaired a crack in a valve throat on my original SAH type 'C' head, which many thought would be scrap. Tim Quote Link to post Share on other sites
Tom Boyd Posted May 25, 2018 Report Share Posted May 25, 2018 We have used a place in burton upon Trent recently to stitch weld a head, will try and remember to get details when back in work.... Quote Link to post Share on other sites
roy53 Posted May 25, 2018 Report Share Posted May 25, 2018 OK Dave i aim to follow up on this next weekend. It was Bill Rawles of Healey fame who i believe you also know and he should be at Silverstone next weekend . If not he may well be at SPA with you. Roy Quote Link to post Share on other sites
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