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Old 8th February 2010, 21:35   #9
Leander
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Rover 75 Tourer CDT 02, Connoisseur SE in Royal Blue Pearlescent + XPower Upgrade & Synergy 2

Join Date: Sep 2009
Location: Lancaster
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Quote:
Originally Posted by Dragrad View Post
Actually the primary object of the mod is to prevent water ingress and the detrimental efffect this on the MAF sensor.

In general hot air will only be coming in whilst stationary, as colder air will flow into the engine bay under the bonnet as normal when moving forward.

Thanks for pointing that out Dragrad (notice I spelt your name right this time!).

From what I've read many members do it for the increased airflow, but your primary reason appeals to me too, as I said, living in the rainy northwest, and often doing 56mph through the spary of lorries in the slow lane.
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