ltwt1981 Posted August 30, 2006 Share Posted August 30, 2006 I hear there is a new K series head gasket out, anyone seen one or got any info. May help anyone with a k series engine. Quote Link to comment Share on other sites More sharing options...
Les Henson Posted August 30, 2006 Share Posted August 30, 2006 As far as I know there is just the composite gasket, with the thin bead of silicone around all th eholes in it. If there's a new type, I haven't heard of it. I thought the head problem wasn't down to the gasket anyway. Les. Quote Link to comment Share on other sites More sharing options...
ltwt1981 Posted August 30, 2006 Author Share Posted August 30, 2006 I'm told the gasket delaminates at the silicone over time, it would seem to be a gasket design problem as I know there are at least three types in existance over the years, I thought the latest was better, but have been told there is a new one out. Just thought I'd ask. Quote Link to comment Share on other sites More sharing options...
Ivan Posted August 30, 2006 Share Posted August 30, 2006 There's some stuff about a new gasket here HTH Ivan Quote Link to comment Share on other sites More sharing options...
jules Posted September 6, 2006 Share Posted September 6, 2006 I race with the PTP head and gaskit + new locator steel (I think) luggs Never had gaskit issues even when I forgot to replace the water cap on one lap and the engine lost 2 liters of water after a 8mile radnor stage. The gaskit and locator bits are not much more expensive that the Gen part ones.... Quote Link to comment Share on other sites More sharing options...
Blippie Posted September 20, 2006 Share Posted September 20, 2006 Head gasket failure is more of a symptom of a problem than the problem itself. Cheers C Quote Link to comment Share on other sites More sharing options...
Andy Posted September 23, 2006 Share Posted September 23, 2006 there was an article in EMG (enjoying MG) a month or two ago about K-series headgaskets & why they go. anyone want me to find & scan it? i seem to remember the basic answer was the studs contract less than the block in the cold so the clamping pressure on the headgasket is way below spec when the engine is cold. hence more headgaskets go in the winter? of course it was all based on the MGF & the smaller saloons/hatches made till recently but i guess it cant be that different? kick me with a pm if you want that article, i dont visit the hippo section much as nothing happens here! Quote Link to comment Share on other sites More sharing options...
DEANO3528 Posted September 23, 2006 Share Posted September 23, 2006 i dont visit the hippo section much as nothing happens here! I'll tell you what, it's busier the last couple of weeks than I reckon it's been since it started! Quote Link to comment Share on other sites More sharing options...
Andy Posted September 23, 2006 Share Posted September 23, 2006 hmm good point, but read the last 3 posts - none of them are by hippo owners Quote Link to comment Share on other sites More sharing options...
Les Henson Posted September 23, 2006 Share Posted September 23, 2006 I think the fault lies entirely with the engine and not the vehicle it's in. Sue's brother has/had a morgan with the K series engine in and th ehead gasket went on that. I used to suspect that it would be something to do with those ridiculously long head bolts. Les. Quote Link to comment Share on other sites More sharing options...
Blippie Posted September 23, 2006 Share Posted September 23, 2006 AIUI, the K-series engine has cylinder liners that are supported within the engine block by a step. If the engine overheats, the block expands too far and the cylinder liners drop. This is what causes the HGF. Cheers Blippie Quote Link to comment Share on other sites More sharing options...
Andy Posted October 3, 2006 Share Posted October 3, 2006 more info on the K-series in this months MGOC mag. they are talking about cures for the HG failures now, it would appear the modified gasket & step that LR produce for the freebie is the best way forward. they recommend it for any k-series engine (although LR say it should help but dont take our word for it). the other suggestion is the later (1999> i think) engines have the thermostat centraly fitted which improves the balance of heat across the heat. according to them the failrue rate with both of these things fitted is much much lower. there is a lot of people now looking at k-series engines to put in old mgs so they have started to research the problems with the engine quite well by now. i hate to say it but its starting to sound like LR cured the problem best. Quote Link to comment Share on other sites More sharing options...
Morocco Mole Posted October 4, 2006 Share Posted October 4, 2006 The latest CHG sold by Land Rover is of the MLS (multilayer steel) type, and comes with a seperate steel shim which fits between the head gasket and the head, to stop the bore eyelets eating their way into the cheese-soft heads. Quote Link to comment Share on other sites More sharing options...
Andy Posted October 4, 2006 Share Posted October 4, 2006 The latest CHG sold by Land Rover is of the MLS (multilayer steel) type, and comes with a seperate steel shim which fits between the head gasket and the head, to stop the bore eyelets eating their way into the cheese-soft heads. yep thats what EMG said, the shim is coated with something to attach it to the head as well if i remember rightly. the step i mentioned fits in the sump & its where the through bolts screw into, LR now do a stiffer one to prevent movement of the head, along with the fact that they changed the locating dowels from nylon to steel a few years ago as well. Quote Link to comment Share on other sites More sharing options...
Morocco Mole Posted October 5, 2006 Share Posted October 5, 2006 the shim is coated with something to attach it to the head as well if i remember rightly. Not exactly - the shim has a specific sealing resin on one side to give microsealing. Quote Link to comment Share on other sites More sharing options...
Blippie Posted October 5, 2006 Share Posted October 5, 2006 the shim has a specific sealing resin on one side to give microsealing. I'm going to whisper that romatically in my other half's ear and see if it turns her on .... Quote Link to comment Share on other sites More sharing options...
Les Henson Posted October 5, 2006 Share Posted October 5, 2006 Mentioning anything with 'Micro' in it at romantic times is a bad idea. Les. Quote Link to comment Share on other sites More sharing options...
Morocco Mole Posted October 10, 2006 Share Posted October 10, 2006 In actual fact, the shim has a bilevel multipolymer coating for optimum interlaminar sealing. So there. Quote Link to comment Share on other sites More sharing options...
Andy Posted October 10, 2006 Share Posted October 10, 2006 i understood that right up to the word 'shim' Quote Link to comment Share on other sites More sharing options...
BogMonster Posted October 11, 2006 Share Posted October 11, 2006 i understood that right up to the word 'shim' Amateur I got 2 words past that I think he means its made of plastic so it will probably still leak even though the book says it won't Quote Link to comment Share on other sites More sharing options...
Andy Posted October 11, 2006 Share Posted October 11, 2006 Amateur I got 2 words past that I think he means its made of plastic so it will probably still leak even though the book says it won't hey im still on my 1st LR im doing my best! seem to be collecting british bodged carp though, currently on two brit cars & seriously considering a third - help nurse i need more pills Quote Link to comment Share on other sites More sharing options...
Les Henson Posted November 9, 2006 Share Posted November 9, 2006 I just finished a head gasket failure on an MGF VVC. The head had to have 6-thou removed to restore the gasket face. The new head gasket was the shim steel type, and still comes with two new dowels. You still have to be careful not to distort the bead of silicone though - so the new gasket is as fragile in application as the old composite one. Les. Quote Link to comment Share on other sites More sharing options...
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