Quote:
Originally Posted by Porsche9
I figured once it got real hot I'd really know if the UDP would cause issues. Well today it hit 111 and when it gets that hot the temperature close to the asphalt is even higher and car interior temps easily can get into the 130s. My poor Boxster was parked for a few hours this late afternoon in full sun and after getting in the car the A/C worked to cool the car quickly and the coolant temp never went past 8. This was all while sitting in heavy traffic. This was the first hot day and tomorrow it is supposed to hit 115. Thought some of you might care to know if you were debating this mod or have it and wondered if it would stand up to extreme heat.
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Great info! I've been back and forth on doing the UDP, but worry about the AC and engine temp (mine sits on the middle of the "0" on hot days in traffic).
I think it may be time to flush the coolant and replace the water pump anyway, so I may just add this to the list
