Quote:
Originally Posted by Bow
Roger that! I will keep an I on the temps. The funny thing is, my '91 240SX (same engine) only has a lower opening...
So I'm betting I'll be OK
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Keep in mind that the same engine in a larger vehicle will be working harder. The truck has more Cd, Fa, and weight, and if you use it like a truck, it will be pretty heavy sometimes.
I read about how much people blocked off, and thought I could get away with both top and bottom blocks on my van, and get all the air from the smaller center holes. Once I started to climb mountains it became clear that I needed more air, and I removed the lower block. No more problems for now, but it is winter. I doubt that you'll have the same problem in Houston.
You don't have the hills, you do have more air, but you also have more heat.
You have the gauges you need, so that's good, but I would suggest starting with something easy and temporary, so you don't make something nicer that you end up having to throw away. Cardboard looks tacky, but it's generally free and easy to work with.
Think about something modular, so when you do have to carry a heavy load, you can remove a section or two, easily.