ChopStix,
I appreciate your input but please don’t misunderstand as in this thread I am planning for my fourth heavily MPG modified vehicle, after getting the first three to 30-50% over baseline/EPA without special driving techniques (i.e. still using cruise control). If by my truck you are referring to my Tacoma that project has basically reached an impass as I am currently being limited by the rolling resistance of my oversized all terrain tires. To make additional significant gains without drastic measures I would need to go back to stock height and street tires. Not ready to do that yet as I do use the truck offroad regularly, and my previous method of having dedicated on-road and off-road tires ended up being a pain to switch out. The real problem is the Tacoma does not have enough room for my family, it works but it is uncomfortable. Thus I am trying to stop spending time/money on it which is why I started this thread about a different class of vehicle, 90s model GM SUVs.
On the wheel front, I may have figured out a solution to mount DZUS brackets to the PYO alloy wheels, just need to find some appropriately sized aluminum Z flashing to attach the DZUS spring to one end and the other end to the face of the wheel.
On the side view windows, the new fourth generation Prius has gone back to windows mounted to the A-panel unlike the third generation which mounted to the door. I would assume those mirrors have spent lots of time in a wind tunnel, and they do not appear to be excessively big or small.
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