performance is different

来源: 于 2009-11-03 00:47:05 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

i used to use 91 (as recommended by manual)
switched to 87 during last fillup...can feel the immediate difference on accelerate and response. will change back to 91. only $2 difference...
also, 91 shell is said to clean up engine because of its addititives..