240z72 Posted August 6, 2012 Share Posted August 6, 2012 ls1 MLS questionurrently assembling my ls1 motor. My heads are done and ready to go back on. My question is, can you use MLS gaskets for the " notched" 853 heads? I bought a set from summit. They are a new MLS gasket from Felpro. Called Permatorque MLS. Ive read that you Can and cant use them so i though id put it out there and see what people have to say while i.clean my head bolt holes. Thanks all! Quote Link to comment Share on other sites More sharing options...
SUNNY Z Posted August 6, 2012 Share Posted August 6, 2012 You can't use them. You either need to have the notch in the heads filled, and have the heads decked, or you could use the graphite gaskets. Those are your options. Quote Link to comment Share on other sites More sharing options...
Cable Posted August 14, 2012 Share Posted August 14, 2012 Correct. If you try and use the MLS gaskets 'as is' the heads will leak coolant. Quote Link to comment Share on other sites More sharing options...
240z72 Posted August 15, 2012 Author Share Posted August 15, 2012 Thanks all. Got a nice set of regular felpros on now. Quote Link to comment Share on other sites More sharing options...
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