2005 - 2014 MustangsDiscussions on the latest S197 model Mustangs from Ford.
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Regarding turbo lag. I have had a supercharger and then 2 turbos on my stang (not at the same time).
It is very important to size the turbo for the application. Bigger is not necessarily better with turbos.
I started with a Procharger P1SC at about 9 lbs boost. As car was used more and more for dragracing, switched to single 67mm turbo at about 16 lbs boost. The biggest difference between the Procharger and the turbo was torque. The torque dropped dramatically with the Procharger compared to the hp. Torque and hp about the same with the turbos. Car had limited street use and turbo exhibited no noticeable lag during street use. Then upgraded to a 76mm turbo at about 22 lbs of boost. Did notice some lag for street use (hardly ever streeted), but all lag was eliminated for dragracing. Car is no longer street-legal and rebuilt for dragracing only.
Old pic of car launching with the 76.....zero lag with both front wheels lifting off ground
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