60 MPG Toyota Yaris

[ltwargssf]

Originally Posted by freebeard

Whatever it is has lots of fender washers.

indeed, I don't want it falling off and the front part made it through most of the winter without issues.

[ltwargssf]

Originally Posted by Phase

what material did you use for the under tray?

I used corrugated plastic for everything. The front cover is reinforced with an abs sheet and a metal frame since its where most of the impacts happen but its also the panel I remove for oil changes and service.

[ltwargssf]

1500km update

The warmer temperatures are really helping and I was finally able to reach my 60mpg goal on a stretch of 10km road @ 75km/h where I do most of my testing since it's flat and can hold a constant speed. My city driving is now well into the high 40s but more importantly, on my long daily highway commutes, I can hold 54mpg at 95km/h and keep it in the 50mpg all the way up to 120km/h with some pedal feathering.

Hotter temperatures had me worried about engine temperatures but even in traffic, it never goes over 92F so I'm happy to be able to run all by covers year-round.