Wrong. If it is required, you should use 91.

Car can adjust a little these days. However, the compress ratio determine the octan rating.

所有跟帖： 

• as long as the gas doesn't cause the engine pings, it then means -MoonRivertttt- ♂ (77 bytes) () 05/11/2013 postreply 21:06:37

• Not true. -TBz- ♂ (0 bytes) () 05/11/2013 postreply 22:28:28