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b303 cam idle
My 94 cobra will not idle well now that I installed a b303 cam. The engine surges and then stalls
please help |
hotsauce,
A couple of years ago I installed a GT-40 crate motor in my stang, it has the B-303 cam. I didn't change anything except the long block; same intake, exhaust and accessories. I had the same idle problem you mentioned. Clearing the computer and re-adjusting the idle only helped a little bit. Ended up getting an Idle Air Bypass Valve Adjusting Plate. With this I was able to cure the idle problem. The plate mounts between the throttle body and the IAB valve and has two needle valves. As you open the needles, more air is diverted into the throttle body. With out the plate, the only way to get more air in would be to open the butterfly with the adjusting stop screw but that also increases the movement of the Throttle Position Sensor. You can get the plate at the Ford Parts Counter, don’t remember the part number but they’ll know what you’re talking about. The plate was originally designed to correct problems in throttle bodies that couldn’t be cleaned and were starving for air. Good luck, Phil |
Thanks for your help i have the same problem with mine!!!!!!!!
------------------ PPG Torch Red 95GT, Ported Explorer Intake, E-303 cam, 75mm MAS, BBK Adj. fuel Reg & gauge, BBK Shorty Headers, BBK H-pipe, March Pulleys, 2 Chamber Flowmasters, Kenny Brown 6 point Roll cage, Kenny Brown Panhard Bar, Powerslot Rotors, Eibach Sportline Springs, 180* Thermostat, 1/2 Plenum Spacer, MSD 6AL, MSD Master Blaster, MSD 8.8 Wires, 19# Racing Injectors, AFS 10.5" Cobra R's, Nitto 555's, Eclipse & JL Stereo System... I just sold My K&N, It looks funny with Stock Air Box & filter!!! |
I you want to go ghetto, you can drill a small hole in the throttle plate. It will let the extra air in you need with out having to buy more stuff. And Welcome to Mustangworks! The best mustang site ever! Light Em Up!!! http://www.mustangworks.com/interact...oard/smile.gif
[This message has been edited by NoSlow5.0 (edited 02-14-2001).] |
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