[masraum]

Hmm, my thoughts
1 I think the engine compartment of the 911 is already full of cool near ambient temperature air due to the fan sucking the air into the compartment.
1a You probably don't want rain/water getting forced into the engine due to your cold air mod. I would avoid this unless you never drive in the rain and you always remove/block it off when you wash the car.
2 Forced air induction is something different altogether than cold air induction.
3 Actually loosing 7% per 100ft (which sounds loff to me, but what do I know) wouldnt' result in 0 power at 1400ft. It would actually never go to 0, because the figure for the 7% would decrease as the hp decreased, and forced air induction would counteract that phenomenon.
4 911 engines are called air cooled, but in reality they are oil cooled. Maybe the earliest models were air cooled, but for a long time they have had oil coolers of some sort. Most of the heat from the oil will be lost outside of the engine compartment.

Just my thoughts, definitely no expert

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Steve
Rennlist Member
PCA Member
'88 targa