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Originally Posted by jabb
# Partial or whole grill block (openable) - I'm not sure about this, summer is coming...
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Trial and error. Start with the small slit between the bumper and hood, then start closing the lower opening on both sides, leaving the middle open. If your fan starts cycling too often, open a bit.
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Originally Posted by jabb
# Rear wheel skirts - I like the idea but it looks pretty weird
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I think 'cosmic' or 'futuristic' would be a better word
Quote:
Originally Posted by jabb
# Folding passenger side mirror whenever possible - That is not really a good idea for high traffic
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I keep my mirror open when in the city and fold it only for long distance trips, when I don't need it since I don't pass too often. It is also supplemented with a wide-angle interior mirror.
Quote:
Originally Posted by jabb
# When replacing tires, replace with narrower - I have full set of pretty new summer rubber, but snow tires need a new pair
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My car's recommended tire sizes are 195/65R15 and 205/65R15, but for the winter I bought 185/65R15 with no problems. The summer set is fairly new, and with my driving they won't need replacing anytime soon, but I'd love 175-width LowRR tires...
Quote:
Originally Posted by jabb
# Pump tires to at least max sidewall pressure minus 10% (i.e. 40psi if max is 44psi, etc.) - first I'd have to change my shock absorbers because ride gets pretty harsh with high pressure
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I checked with my car and didn't notice a difference. The suggested pressure is 2.6-3.0 bar, but I keep them at 3.2-3.3 bar (max is 3.5 bar). On a few occasions I tried 2.6 bar, and once 2.3 bar, and the ride wasn't softer, but it was much harder to accelerate.
Quote:
Originally Posted by jabb
Is regular corrugated plastic going to last when in close contact with exhaust or catalytic converter? Catalytic converter is the lowest point of Punto underbody (if my eyes were not fooling me).
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Maybe leaving an opening in the undertray for the cat would be a good idea, letting it cool in the air? For the rest of the exhaust, I'd glue a thin piece of styrofoam with aluminum foil on it to the belly pan.