93RugbyXJ
NAXJA Forum User
- Location
- Eastern North Carolina
so i changed my spark plugs and after looking in the back of the Haynes manual it looks like im running hot. i used to run mid grade in my I6, should i drop back down to 87. My engine runs at about 210 maybe a bit more at long stoplights in mid summer. oh and its a 93 with 170K on it