I use to belong to mpg Research and they went Bye Bye it seems.
I've been into getting better MPG since about 1997.
Presently own a 1987 Volvo 740 Turbo wagon which I have been modding since about 1997. I also picked up a 1997 Volvo 960 which is my dedicated highway car.
The Volvo wagon mods came out of a need more than a want. I drive 1180 miles each way to visit family in Naples Florida. Which meant having to stop for fuel every 325-340 miles. When you have been on the road 18-19 hours that last fuel stop 100 miles from your destination is frustrating.
So I was going to go the easy route and install a bigger fuel tank (80L) from a newer sedan. Well being I own a wagon that wasn't going to work, not enough room under the car.
Well then I had to look at getting 50 to 75 miles more out of a tank of gas.
24 mpg highway was not enough I needed at least 28.5 mpg.
Started by lowering the car and removing the roof rack for better aero numbers. I ripped out the automatic transmission and rear end and replaced them with a manual transmission and the highest gears I could pull out of a Volvo in a junk yard. The car originally had 4.10 rear gears and now has 3.31 gears. Replaced the 15 inch wheels with 16 inch for just a little more drop in rpms. Filled all the fluids in the car with synthetic and I got to my planned MPG. Today the car at 65 mph will pull at least 29.5 to 30.5 mpg.
Not bad for a car with 359,500 miles on the clock and a original Cd of .39.
Soon to be retired at 400,000 miles.
I just started playing with the 960 since I just got in in Feb 05. Best I could pull at 65 mph was about 25.5 mpg. Cleaned out the motor with an Auto-Rx treatment and saw a quick 1-1.5 mpg increase. I guess a internally clean motor is a happy motor. I did some custom sheet metal mods under the car, filled it will all synthetic fluids and raised the tire pressure from 36 psi to 40 psi. Now 28.5-29 mpg highway are the norm at 65 mph. 3600 lbs and .36 Cd make any gain in gas mileage a gift. Lowering it is economically unfeasible. The kit available from Volvo is grey market and $2500. Looking this summer at extending the front spoiler down another 1 to 2 inches. Also looking into getting rear wheel opening covers made that can be snapped on and off easily.
One reason I hang on these boards is when I replace my wagon I want to get a very fuel efficient vehicle to start with as my daily driver. I want at least 24 to 25 city and at least 35 highway.
Welcome! You'll fit right in here. Put your vehicles in the garage, and if you want something with those kind of numbers around town - depends on if you need seating for many or just 1 or 2. LOTS of vehicles get that around town, even in an automatic - Honda, Toyota, Nissan, etc.
Looking to trade for an early 1988 Honda CRX HF (Pillar mounted seat belts)
I remember The RoadWarrior..To understand who he was, you have to go back to another time..the world was powered by the black fuel & the desert sprouted great cities..Gone now, swept away..two mighty warrior tribes went to war & touched off a blaze which engulfed them all. Without fuel, they were nothing..thundering machines sputtered & stopped..Only those mobile enough to scavenge, brutal enough to pillage would survive. The gangs took over the highways, ready to wage war for a tank of juice