Mo Murphy Posted August 4, 2017 Share Posted August 4, 2017 Just spotted a crack between the valves on the head I've just removed, is the head toast ? Mo Quote Link to comment Share on other sites More sharing options...
vulcan bomber Posted August 4, 2017 Share Posted August 4, 2017 Have it pressure tested. Its toast if the cracks gone through. If it hasnt (like on one i know of) its absolutely fine to refit. Quote Link to comment Share on other sites More sharing options...
pat_pending Posted August 5, 2017 Share Posted August 5, 2017 It doesn't look good. Get it over to T&L Engineering in Elstow (01234 352 418) they can test and possibly repair. It's who we use for machining work, highly recommended. 1 Quote Link to comment Share on other sites More sharing options...
Mo Murphy Posted August 5, 2017 Author Share Posted August 5, 2017 I've got my spare there now Pat, having pressure test, skim and the valve guides sleeved. Barry didn't recommend it's reuse. Mo Quote Link to comment Share on other sites More sharing options...
monkie Posted August 6, 2017 Share Posted August 6, 2017 Out of interest Mo, what did the rest of the head look like? Quote Link to comment Share on other sites More sharing options...
Snagger Posted August 6, 2017 Share Posted August 6, 2017 I would think they can tig that up, re-cut the bores and fit new valve seats. Not so common in Tdis, but that was normal for 19Js. 1 Quote Link to comment Share on other sites More sharing options...
Mo Murphy Posted August 6, 2017 Author Share Posted August 6, 2017 The rest of it was fine monkie, just this one crack ? Mo Quote Link to comment Share on other sites More sharing options...
Mo Murphy Posted August 6, 2017 Author Share Posted August 6, 2017 Indeed Snagger, but with the cost of head reworking I'm not sure it would be financially viable even given the fact that new replacements are NLA and you'd still have a head that had been welded up. Mo Quote Link to comment Share on other sites More sharing options...
pat_pending Posted August 6, 2017 Share Posted August 6, 2017 6 hours ago, Mo Murphy said: Indeed Snagger, but with the cost of head reworking I'm not sure it would be financially viable even given the fact that new replacements are NLA and you'd still have a head that had been welded up. Mo Indeed, most things are possible, it's the cost factor. Good lad is Barry, your other head's in good hands. Quote Link to comment Share on other sites More sharing options...
Mo Murphy Posted August 12, 2017 Author Share Posted August 12, 2017 Replacement head fitted, all hunky dory now ? Noticed while putting the old head away that it's actually also cracked between the valves on no. 1 cylinder too. Mo Quote Link to comment Share on other sites More sharing options...
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