Thread: 390fe Intake manifold ports?
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Old 02-10-2008, 11:29 AM
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patrickt patrickt is offline
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
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Default Shot of the Thermactor System
Here's a shot of the Thermactor system on same Ford FEs. Maybe this will help, but you know, most of us just plug off all the holes in the IM. We run a PCV, or a breather, and that's it.

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