it is agressive to seals

所有跟帖： 

• what seal? head gasket? -yanif- ♂ (0 bytes) () 11/05/2014 postreply 13:27:55

• may be others -隱睾- ♂ (0 bytes) () 11/05/2014 postreply 13:47:19

• main, oilpan, shafts, valve covers -隱睾- ♂ (0 bytes) () 11/05/2014 postreply 14:23:05

• valve stems -隱睾- ♂ (0 bytes) () 11/05/2014 postreply 14:26:19

• piston seals. -燕京十景- ♀ (0 bytes) () 11/05/2014 postreply 14:19:12

• are metallic -隱睾- ♂ (0 bytes) () 11/05/2014 postreply 14:22:08