First thread how about aerodynamics on our trucks?

[Cms83]

Good day everybody. My name is Chris. I have a daily driver 70 c20 with 3 on the tree. I drive a hour to work to Bristol pa everyday. I am at about 20-30$ a day in gas. That’s not going past 55 mph. I wonder how much lowering and adding a front spoiler would improve my aerodynamics. In 69 when they went to the steep hood. That gave another 5mph according to the Chevy engineer that was on c10 talk podcast. So could other improvements be made? I plan to change rear ratio to. I can go 15 mph in 3rd gear. So she’s a screamer
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