Originally Posted by xcel
First FE drive loop is complete with decent results...
Looking forward to the SS results. With gearing like that, I would expect the Sonic to beat 40 mpg at a 65 mph steady state. I'll guess 43 to 45 mpg with temps in the 40's.
I suppose the turbo should show a bigger increase (than normally aspirated) in warmer temps.
/Even with the turbo, still not a ton of torque, so I would expect mpg to deteriorate rapidly above 65 mph ... especially if it's cold and into some wind.