OAP Posted November 26, 2010 Share Posted November 26, 2010 Any recomendations for a replacement K gasket? Or should I just get a normal one from a garage? Failed on seven year old S2 Elise for no apparent reason. All the coolent disappeared from the header tank, and the dip stick showed blobs of water. The RAC man told my son he didn't need a break down truck as the car could safely be driven!! - son insisted and RAC man got very Link to comment Share on other sites More sharing options...
Ozzy Posted November 26, 2010 Share Posted November 26, 2010 RAC man should be sacked! Well done Son Might be worth asking Oily for a gasket, as his will be among the best I would imagine. C7 FST....Powered by DVA A Wolf in Clams Clothing! Link to comment Share on other sites More sharing options...
Chris Wells Posted November 28, 2010 Share Posted November 28, 2010 Hi I thoght I had read that someone had produced an improved head gasket - if only I could remember who! You could try googling "improved K series headgasket" or similar. It might help. Chris Link to comment Share on other sites More sharing options...
OAP Posted November 29, 2010 Author Share Posted November 29, 2010 I had thought so too, but couldn't remember, which is why I posted this. I guess Oily Hands will know as suggested earlier. I'll give him a call. Link to comment Share on other sites More sharing options...
ruff seven Posted November 29, 2010 Share Posted November 29, 2010 Raceline sell the new mls gasket, not cheap but works well if liner pertrusion is not what it should be. Link to comment Share on other sites More sharing options...
Stationary M25 Traveller Posted November 29, 2010 Share Posted November 29, 2010 Recall something like Payen gasket ? Link to comment Share on other sites More sharing options...
Slipper man Posted November 29, 2010 Share Posted November 29, 2010 I think the standard gaskets are just fine. You need to ensure the engine has the steel locating dowels for the head (the original heads used nylon and it was these that caused many of the early issues) and that the liner heights are correct. Link to comment Share on other sites More sharing options...
oilyhands Posted November 29, 2010 Share Posted November 29, 2010 My experience of the MLS gaskets is that they work fine if the liner heights are perfect, if the liner heights are less so then the regular Payen BW750 gasket is the one to use. The shim provided with the MLS gasket can improve matters if the head surface has voids or porosity. To be sure.. Ensure your liner heights are perfect (.004") Ensure the head is not soft (> 95 brinell) Ensure the head is flat Peen the fire ring area of the head to consolidate the material and squeeze out any voids, then skim the head. Use a genuine Payen BW750 gasket (not a cheap copy) Use genuine OE head bolts Use the steel dowels that come with the HG unless you already have them fitted. Oily Link to comment Share on other sites More sharing options...
OAP Posted November 29, 2010 Author Share Posted November 29, 2010 Thanks for all these replies - very helpful Link to comment Share on other sites More sharing options...
7 wonders of the world Posted December 4, 2010 Share Posted December 4, 2010 And make sure you trim the metal dowels to length if you skim the head otherwise they bottom out, there are a few on here that have learnt the hard way. Too young to be old ! Link to comment Share on other sites More sharing options...
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