4.6L General DiscussionThis section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.
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hey there guys i have a 97 cobra and i have twin 62 mm TB, i had no exhaust done besides the buffles cut out and welding a pipe in place , short shifter and a BAMA Performance SCT tune in it but when i dyno the car it only put down 232 hp and 242 TQ and id doesnt feel like it pulls like is supposed to this is my first cobra and it has 53k miles on her could anyone tell if something could be wrong or if those numbers sound about right ..and i just installed some bbk x pipes and flowmaster 40 series and retuned it with the same BAMA SCT tunner and havent taken it to the dyno yet ..thanks fellas for all the help.
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They block off some of the intake ports to increase port velocity at lower engine speeds, helps with low speed torque. They are just little butterflies that slap shut below 3250RPM and open above. Usually they get gummed up. One way of fixing them is seafoam, another is to take the intake off and clean them.
i tried that seafoam but i only used the one for the gas idk how toput it on the rest of the car do you know by any chance and could you explain it to me if so.
Should be directions on the can. Basically start the car, disconnect a vacuum hose that goes to the intake, then suck the seafoam in, try not to let it die until you get the recommended amount in. Once it's in, you kill the car and let it sit for about 20 minutes. Then you start it up and prepare for the smoke show.
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