My engine doesn't like 87 octane, especially in the summer. Since another 10 cents a gallon is no longer a 7% premium, but rather a 3% premium over regular, I think I'll stick with the 89.

www.burnlounge.com/mp3me
'00 Rodeo LS 4x4; "K&N" cone filter; S/S Manik Front, Rear, & Nerf; 'Modest' sound system; 1.5" R'ooper lift, 265/70/16 Dunlop RVxt, Skyjacker Hydros, OEM LSD (sans G80 code)