zoltron30 Posted April 14, 2008 Share Posted April 14, 2008 quick question guys. is it a good idea to use 91 grade gas before going for my emissions test? my friend suggested that i use the higher grade gas. will it damage my car in any way? i know the manual says 87. thanks again! Link to comment Share on other sites More sharing options...
Jeffro Posted April 14, 2008 Share Posted April 14, 2008 The different grade gas isn't really going to help or hurt you unless you're boosted and need the heavier weight fuel. The only thing its going to hurt is your wallet. Link to comment Share on other sites More sharing options...
airjordan223 Posted April 14, 2008 Share Posted April 14, 2008 The different grade gas isn't really going to help or hurt you unless you're boosted and need the heavier weight fuel. The only thing its going to hurt is your wallet. yeah, its really not going to do much. if your car is made for 87, put 87 in Link to comment Share on other sites More sharing options...
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