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Go Back   Pelican Parts Technical BBS > 1- Porsche Technical Forums > Porsche 914 & 914-6 Technical Forum

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Join Date: Aug 2011
Location: Royal Oak, Michigan
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For those of you using headers

For those of you using headers what did you do with, or how did you modify your stock cooling system?

Thanks

David
Old 05-13-2012, 02:51 PM
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You don't modify much of anything.

The cooling flaps on the impeller housing remain open. Plugging them is supposed to interrupt / change the air flow characteristics in the impeller housing.

Next you cap the heater inlet tubes in the engine compartment ... the ones that go into the body. This way you don't get engine compartment fumes in the cabin.
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All my 4 cylinders are gone
Old 05-13-2012, 07:26 PM
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What about that air that is being directed down to the heat exchangers? Should that be rerouted across the cylinders?

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David
Old 05-14-2012, 03:42 PM
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The electric engine bay fan gets deleted, both 2.5 inch holes in the tin get covered up and sealed to ensure the heat stays below the engine bay.
Both tubes into the body get capped off (spray can covers fit perfectly)
The little flapper doors on the bottom of the main fan housing typically get left open.

Rich
Old 05-14-2012, 03:48 PM
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I plugged the above mentioned holes and kept the t-stat hooked up, never had a problem with cooling (street car mainly), the t-stat helped bring oil up to temp quicker, and opened just fine when up to op temp.
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Old 05-14-2012, 09:22 PM
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