Quote:
Originally Posted by California98Civic
My upper block is a complete block. The lower is a little less than half, with the passenger side open. The rad on the passenger side is your cooling radiator. The one in the middle is the A/C radiator. I also ducted the remaining opening to the rad so the air that does get in must go through the cooling radiator. My fan does not come on very often since I did this version. But on long steep hills, the car will get hot enough to turn on the rad fan every time. The fan takes care of it. Brings me right down to normal operating temps.
Your stock t-stat begins to open in the 170s F. It is fully open by the 190s. My car will move between 194 and 199 when fully warm and driving on the freeway or something on a HOT day. If it goes as high at 206 generally the fan comes on right away.
Hope that's helpful to you...
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He will not get away with even 50% lower grill block, I can block 100% upper, but lower I only had about a 25% and it got 107F out here and my engine still over-heated (235F). He can try the ducting idea, I didn't do that.