K Ken New member Sep 17, 2009 #1 i have a 1991 Ford Thunderbird and want to improve the mpg. i am not willing to do a motor swap or anything that extensive. also any info on improving the performance of the car would appreciated. thanks
i have a 1991 Ford Thunderbird and want to improve the mpg. i am not willing to do a motor swap or anything that extensive. also any info on improving the performance of the car would appreciated. thanks