in a word.......no, it will not harm the engine. the oil is pressurized as soon as the cranking starts, all bearings and surfaces are lubricated properly by the time the motor fires up. the high cold start idle is needed for various reasons.
Because Mustangs are special!!! duh.gif picknose.gif tooth.gifFuel injected equivalent to using a choke. Every fuel injected vehicle I have ever driven does this, why should a Mustang be an exception?
Riiiiight...stirthepot.gifBecause Mustangs are special!!! duh.gif picknose.gif tooth.gif