The 2013-14 GT500 calipers have 4 – 43.9mm pistons up front and a single 43mm piston in the rear. This makes the front piston area 4.69 square inches and the rear 2.25. Ratio – 2.04:1 front to rear. FYI 1.9-2.1:1 is the typical range for the vehicles I have checked over time.
Below are 2 videos illustrating the 2013 GT500, and how the SVT Chief Engineer states they acknowledge the second gear grind issue on the 2010-2012 GT500 and have fixed it for 2013. Comment starts at 2:40 in The second video is a test drive of the 2013 GT500 from Hot Rod magazine, trying to bang second gear and doing nothing but grinding.
Does anybody have any 2007-2012 47lb GT500 injectors (p/n M-9593-G302) sitting around that they could measure for me? I bought 2013-14 55lb injectors for my DOB build and am trying to figure out if the two are the same length (will impact the spacer size for the fuel rails). The 55 lb...
