March 15, 200422 yr 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
March 15, 200422 yr http://www.ultimatesubaru.org/forum/showthread.php?threadid=12410&highlight=conditioner
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