HSTuners - View Single Post

02-27-2002, 03:51 PM

IM SOOO CONFUSED !?! Ive been wasting my money on 91 this whole time thinking its the better gas... Why is 91 more expensive than 87 and why is it better ?? In what cases is 87 better ?? Advancing timing ?? HELP!!!!!!

02-27-2002, 03:51 PM	#1
xunkn0vvnx Posts: n/a	IM SOOO CONFUSED !?! Ive been wasting my money on 91 this whole time thinking its the better gas... Why is 91 more expensive than 87 and why is it better ?? In what cases is 87 better ?? Advancing timing ?? HELP!!!!!!