Ford says don't modify your 2011-2012 Mustang 5.0 or your warranty is void

[fdkirkland]

[05mustangman]

Very interesting. Especially the part that says the engine is just about maxed out structurally from the factory.

[Jacostang]

Yup, those custom tunes are reaking havoc on the #8 cylinders.. I have the FRP Tune only in my 11...

[BurnTire]

#8 only doesn't pass the smell test for me. 1 to 7 are fine and only #8 fails.

[Rick Shopmier]

Picked up a new F-150 4x4 yesterday with the 5.0. It feels quicker and sounds much better than my 09 5.4, and was thinking of doing a tune on it, guess I will hold off. Will this heat ever end??????? Come on 9/9!!!!!!

[JoeT]

Thanks for posting this I missed this. Now you've helped me make up my mind 100% I do not want a 5.0 anymore. One wrong mod and your motor blows up. No thanks!

[Jacostang]

Thanks for posting this I missed this. Now you've helped me make up my mind 100% I do not want a 5.0 anymore. One wrong mod and your motor blows up. No thanks!

Sky is not falling, the same thing happened when the pushed the 4.6 over the edge too. A Few GT500's motors blew when these tuners pushed them too far...

[JoeT]

I think what I found informative is that the 5.0 motor is pretty much maxed out in the horsepower department, without making some big changes structurally.

[svtrichie]

Dave, how do you like fro ford racing tune? These issues makes me want to get a shelby over the 5.0 even more.

[Jacostang]

Dave, how do you like fro ford racing tune? These issues makes me want to get a shelby over the 5.0 even more.

I love it, it eliminates the skip shift and makes it even that more responsive, it wont tax out the engine.. The problem with the afternmarket tunes is that they are pushing them beyond redline which mine wont do it shuts down and my dash turned RED when I Pushed it, scarred me at first but it was protecting itself from me!!! The RED dash lights was cool though!