Hey Guest!
Hey - did you know if you click on the title of a thread it will take you to the first unread post since you last visited that thread?
but were afraid to ask: 
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smilie in place of the real @
Pretty Please - add it to our Events forum(s) and add to the calendar! >> 
Well today, I did a bit of "redneck engineering" and created a temporary fan shroud from corrugated plastic and duct tape.
The results were really worthwhile.
Yesterday, while driving, after the engine heated up, the temperature at the thermostat hit nearly 90C. Today, (with the shroud)the coolant temp never went above 75C, even when I stopped right at the top of a long steep hill which usually caused a noticeable shift in the temperature gauge.
At idle there seems to be at least two maybe three times as much air flowing through the radiator. Just as importantly, there is now airflow over the entire radiator, not just immediately behind the fan.
The shroud consists of a 1.5 " deep box covering the entire radiator, and further 1.5" surround for the fan.
radiator shroud pictures
The only problem with the current set up is that duct tape seems to loosen up 70C and while driving around it started hitting the fan and making lots of extra noise.
The results were really worthwhile.
Yesterday, while driving, after the engine heated up, the temperature at the thermostat hit nearly 90C. Today, (with the shroud)the coolant temp never went above 75C, even when I stopped right at the top of a long steep hill which usually caused a noticeable shift in the temperature gauge.
At idle there seems to be at least two maybe three times as much air flowing through the radiator. Just as importantly, there is now airflow over the entire radiator, not just immediately behind the fan.
The shroud consists of a 1.5 " deep box covering the entire radiator, and further 1.5" surround for the fan.
radiator shroud pictures
The only problem with the current set up is that duct tape seems to loosen up 70C and while driving around it started hitting the fan and making lots of extra noise.
