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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
i just installed a stock throttle body on my 87 gt i changed it cause this one was powercoated dont ask me why i did not go bigger because my car is not modded to the point where it would make sense to get a bigger throttle body but anyways it went on good do i need to mess with the idel screw or no? i dont want to start the car and have problems
I'd suggest doing a base idle reset , just because the TB was not set to run with your car. Reset is a very simple process and will most likely make your engine run better than just putting it on and running it. It will let the computer better adjust A/F ratio and timing so you get the proper idle and the computer is not trying to make adjustments out of range.