4.6L V8 Technical DiscussionsAny questions about engine, transmission, or gearing can be asked here!
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So now that I have cams in, its a good idea to upgrade my intake manifold, and I was planning on getting the ford racing one. It says deletes charge motion plates. Now is that going to give me more power? Or should I also get the steed charge motion plates? what is better for performance??
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Definitely do one or the other. My car woke up after adding the delete plates (installed cams a month earlier). My low-end torque was unaffected (butt dyno actually felt an increase), but I could definitely feel the increase in the upper RPM range. Car idled much better too.
I chose the delete plates as I heard that the short runners on the FRPP intake manifold would decrease low-end torque, something I did not want as my car is a daily driver...
08 GT Premium, Manual, 3.55s, HIDs, IUP, Premeir Trim, Amb Light
Appearance: HID Fogs, Smoked Fogs & Signals, 14" Ant, Black Mirror Caps, Sequentials, GT500 Spoiler & Rear Bumper
Steeda: UDPs, CMDPs, HD Motor Mounts, HD Strut Mounts, Tri-Ax Shifter, Alum DS, Billet LCAs, CAI w/CF Elbow
Other: Detroit Rockers, JBA Shorty Headers, Catch Can, Flow ATs, Koni STR.Ts, GT500 18" F/19" R Wheels, Brenspeed 93 Tune, Ethanol-Free Gas
You'll need a tune update as well.
But yeah, GET RID OF THE IMRC PLATES!
There's threads on converting your stock ones into deletes (remove the butterflies and fill in the holes). Or pick up a set of used delete plates from someone. A FRPP intake will indeed reduce low-end torque and costs more money to buy, but looks great, gets rid of the plates, and helps out in the upper rpm range.
Mike - 2005 Stroked/Forged/Cammed V8 (5.0L.); twin-turbo build underway
- 2006 4.0 V6 with PH Turbo and TR6060
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