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Let's ressurect this:
I've paused further modifications for a while, however as I'm driving my car more recently, I'll try squeezing out a bit more fuel efficiency again.
Next up:
Partial grill-block tests.
I will close up the frontand side air intakes using duct tape for testing this weekend and try wiring in an indicator light for the radiator fan.
(or unplug it and have an eye on the temperature gauge)
In this car duct tape is a reasonable option as:
1. it is also silver
2. the grill is pretty small in height
3. I will limit myself to not go faster than about 100 km/h at any point, mostly cruising at about 90 km/h indicated speed in the right lane
For a more permanent grill block, I will probably use black plastic sheets.
However I might get myself a 3D-printer in the near future, so perhaps I can go with more advanced shapes and rework my VGs on the roof as well.
I assume my commute is too long for a complete grill block, so I will start with a partial grill block.
The areas I'll block off will be:
1. The small intakes on the sides of the front bumper
2. The main intake will be blocked off except below the licence plate
3. The side intakes (behind the doors) will be blocked off entirely
Expected side effects of this:
1. faster engine warmup
2. higher engine bay temperatures (will need to open up the side air intakes when it's not cold anymore)
3. will need to avoid stop&go traffic or engine bay/water temps will skyrocket
Because my Spyder is EUDM, oil temperatures will not be an issue as mine has an oil/water heatexchanger.
USDM/JDM versions do not have one, and I highly suggest installing some kind of oil cooler in them.
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