05-27-2004, 06:34 PM
Join Date: Feb 2004
Location: Ft. Lauderdale, FL
A couple of days ago, I made the 1200-mile or so trek from St. Louis to Ft. Lauderdale. About three weeks earlier, I had gotten the best gas mileage I had ever had in the RX-8 -- in the 17.5-18.0 mpg range on a trip from STL to Omaha. That was with the Borla exhaust and the "L" flash.
A couple of days later, I received my Green Air Filter, and Oh Boy! If I thought the MS flywheel worked wonders, the green filter just sort of made things click. And so, while toying around town -- and the highways in third and fourth gear -- I filled up a couple of tanks at a monster 11 or 12 mpg!
Something clearly needed to be done. Enter CZ Stage 1.
Quick lesson in why free markets work. Psychofox had brand new CZ unit for sale. I needed it immediately, so I sent him $650 for the unit and it arrived -- hassle-free -- two days later.
The idea was that if I could save some gas mileage, the premium that I paid would cover itself in gas costs. As gas prices kept climbing, this made perfect sense. I was planning on going CZ anyway, so might as well do it now instead of wait.
I had gotten the "M" flash the day before I received the unit. The results:
Miles Gallons MPG
176 9.90 17.8
173 8.89 19.4
122 5.75 21.2 DSC/TCS Off
196 9.49 20.6 DSC/TCS Off
265 12.97 20.5 DSC/TCS Off
157 8.05 19.5
131 7.58 17.3 DSC/TCS Off
*miles rounded in table; actual used in MPG calculation.
Notes: I hit some exit traffic on the way out of St. Louis, hurting mileage on the first tank.
The second day was bright and sunny, so I turned the DSC and TCS off. The car is definitely faster without them.
On the second-to-last tank, I forgot to turn off the electronics initially, and then just left them off for testing purposes.
Last tank includes city mileage. Also, when I got off onto the local highway (I-95), three lanes were blocked off for whatever reason, so I got stuck in that and that obviously affected results.
Anyway, 19-21 mpg is a far cry from the 14-15 mpg I got when I made the drive from FTL to STL the first time.
Thank you Canzoomer!
Black '04 RX-8 GT 6MT