pearlm30 Posted March 15, 2004 Share Posted March 15, 2004 Are the additive/conditioners made to PREVENT the headgasket failures or to REPAIR it? I can't image $1.5 /bottle can really help anything!? What engine are the additive specified to use? Thanks Link to comment Share on other sites More sharing options...
mtsmiths Posted March 15, 2004 Share Posted March 15, 2004 http://www.ultimatesubaru.org/forum/showthread.php?threadid=12410&highlight=conditioner Link to comment Share on other sites More sharing options...
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