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Power Strokes
7.3 Aftermarket
Flow concerns regarding intake Plenums
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[QUOTE="PatriotHauling, post: 287761, member: 1962"] Plenum I don't see the argument here. Upgrading your plenum size isnt going to make more air go into the heads. Your turbo pushes air. The air HAS to go somewhere. Unless the air reaches a restriction so great that it can overcome the force of exhaust gasses compressing the incoming air, then no air will stall until it gets to the head and then the valves. The only difference I see in the plenum designs (stock vs larger) is the pressure at which the air enters the head. Example: flow 300cfm through a 1" diameter tube. It will flow at X psi. Flow the same 300cfm air through 2" diameter tube and it will flow at X/2 psi. No less air flowed, only at a different pressure between two points. That's not to say I don't like the Riffraff plenums (I assume there are others, just haven't looked), I just don't think flow has anything to do with it. Just like how changing your rear diff oil to synthetic will improve MPGs.. To me the pluses of these aftermarket products is looks, quality, and strength. Sent from my iPhone [/QUOTE]
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