My old car. 2013 GT M6 with 3.73' procal, lowered, and corsa AB's
My 2015 GT A6 stock with 3.15's
I run 93 octane. Best mpg in my 13 was 28.3 and the best I have gotten in my 15 is 26.5 I think. The mpg meter in the 13 was only off by .4 mpg over verses hand calculated. The 15 is...
Saw it on Facebook and it's being discussed in the gt350 section but ford performance is offering the 5.2 block and 5.2 specific heads and cams for us GT guys.
Here is the discussion in the gt350 forum.
http://www.mustang6g.com/forums/showthread.php?t=38775
It will get better once the engine gets broken in. Mine an auto with 3.15's and now has 7k on the odometer and it finally just now getting the highway rated mpg. The 3.15's kill in town mugs for me. My last mustang was a 13 gt with a manual and 3.73's and did awesome in town and the highway.
So how do you know if just the intake is gonna make a difference on this car if you never tested it. Saw many post on other forums were just changing the intake didn't yeld any benifit in their times. The older cars a cold air intake did alot for. Now when you take a car all out with mods and...