Quote:
Originally Posted by Piwoslaw
OK, I opened the part of my grill block in front of the IC yesterday. In the evening we drove to a party, then I gave a few people a lift (since I don't drink), a total of about 100km. The coolant temperature was much lower than when the grill was totally blocked: under 80*C instead of 90*C. Even though 80% is still blocked, what's open lets air onto the radiator. What I'm thinking now is this: if my new grill block will have two independantly openable holes (one for the radiator and one for the IC), then maybe I should add a wall between them, so that air from the IC opening doesn't get into the radiator zone? Unblocking the IC should bring the engine temp down, lessening the need for unblocking the radiator.
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I would add a wall so that you get the maximum amount of air rammed through your intercooler. Also remember that any engine temp drops due to unblocking the intercooler is putting that energy towards moving you down the road.