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Ah... ok... you only need an OE or Elring (same as OE) head gasket if not going 83mm bore... if going 83mm bore then I know Bill has used TFSi head gaskets although not sure exactly which one
8.5:1 is quite a low CR tbh... 9:1 is as low as I would have gone tbh and the thicker head gasket will only lower that more...
I used 9.25:1 and an Elring/OE headgasket producing over 600hp... the higher CR will help off boost
<tuffty/>
8.5:1 is quite a low CR tbh... 9:1 is as low as I would have gone tbh and the thicker head gasket will only lower that more...
I used 9.25:1 and an Elring/OE headgasket producing over 600hp... the higher CR will help off boost
<tuffty/>