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Old 08-04-2021, 08:15 PM
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twobjshelbys twobjshelbys is offline
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Join Date: Jan 2009
Location: Las Vegas, NV
Cobra Make, Engine: Shelby CSX4005LA, Roush 427IR
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Quote:
Originally Posted by patrickt View Post
Is that a normal idle RPM for these engines?
I tried to run mine down but the really lopey cam and the throttle body intakes made it idle horribly rough (rich) at idle. The injectors aim in to the throat of the "trumpet", and it's a compromise to get it the proper aim for operating RPMs. My system was the Accel DFI controller which they no longer use but I do recall having idle at about 1000.
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