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Yan2947 Yan2947 is online now
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Join Date: Jun 2010
Location: Hudson Valley NY
Posts: 728
Garage
What are your normal and high operating temps of the engine on a 90 degree day. On normal days (70 degrees and humid) I stay at 200 degrees but on 85 plus days I have seen my temps go to 220 and start to creep up to 225. I also know (or think) that 225 is really not too bad for these engines that like to run hot but any hotter and one has to worry. I know my radiator from Ron Davis is large enough for about 416 hp even though I am only about 350 hp (untested). I have had the car up to some high speeds on the hot days and I stayed above or at 220 degrees. Could not drop down to 200 until I met the speed limit. I have decided to add a small radiator in a new fiberglass front spoiler (935 model) from better bodies motorsports. Once I mount the spoiler I going to mount a radiator there. I have thought of adding a subaru wrx hood scoop to the wing. The 4" tall scoop would direct much more air into the rear radiator. Perhaps I should do that before I add the front spoiler. What do u think? It certainly won't look too stock.
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1989 911 LS1
Old 09-29-2011, 04:18 PM
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