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Oct 17, 2007 | 04:13 PM

#11

One320B

Senior Member

Joined: May 2005

Posts: 959

metro motor, lol - now thats gas mileage...

Honestly, if your concerned w/ MPG - you would need to look into a better commuter car, rotary engines (especially the older they are) are not friendly on MPG...

Oct 17, 2007 | 04:22 PM

#12

j9fd3s

Senior Member

Joined: May 2002

Posts: 22,465

From: California

heretic got 30mpg in his old fb. overinflate the tires, align it. good exhaust. additionally he found his odometer was way off...

Oct 17, 2007 | 09:02 PM

#13

BeaterRX7

Senior Member

Joined: May 2005

Posts: 178

From: Choctaw, OK

Quote:

Originally Posted by j9fd3s' post='885664' date='Oct 17 2007, 04:22 PM

if the o2 sensor works, it should be 18-22 in mixed driving, more on the freeway...

No O2 sensor on GSLs.

Quote:

heretic got 30mpg in his old fb. overinflate the tires, align it. good exhaust. additionally he found his odometer was way off...

I wouldn't overinflate the tires, but I would invest in good tires and inflate to the pressure marked on them. My Jeep's Yokohamas take 50 psi max - I inflated them to 50 psi and gained a mpg.

Clutch fans don't rob a lot of horsepower, unless they lock up. Then they rob about 5hp. I went electric when my clutch fan crapped out and started free-wheeling, but the damage to my motor was done. I much prefer electric fans, but that's my opinion. I still run a fixed fan on my big Cadillac, but then a 5hp loss is only 1 percent.

A cold air intake is a good idea. In cold weather you have to properly warm up your car before you drive it to prevent carburetor icing, but you should properly warm it up anyways.