Guest Anonymous Posted August 5, 2003 Share Posted August 5, 2003 Something I've never seen answered properly..... On a non-turbo L28 overbored .20 or .40 over, shouldn't someone also make a head gasket that has the larger bores too? I would think having the edges of the gasket hanging into the bore would screw up the breathing by creating a pocket all the way round.. HKS makes the 1mm and 2mm head gaskets, but that's thickness..not bore diameter right? Quote Link to comment Share on other sites More sharing options...
RB26powered74zcar Posted August 5, 2003 Share Posted August 5, 2003 The 1mm and the 2mm thick HKS head gaskets are I belive 91mm bore size, I'm pretty sure... Quote Link to comment Share on other sites More sharing options...
Z-Gad Posted August 6, 2003 Share Posted August 6, 2003 J-, they are 91 mm.. you are right Quote Link to comment Share on other sites More sharing options...
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