Alright fellas, another quick question.........

Do our transmissions have a fail safe feature? Reason I ask is that As I'm driving, it seems that the more I accelerate she will go go go then all of a sudden give me a feeling as if I've hit a sand bar (Held back in other words). Although RPM's stay up as normal, but almost as if the truck can't go anymore. It still accelerates just real slow.

That's why I ask maybe my tranny doesn't wanna push more because I could damage it.

The tranny is practically new so I don't think IT could be the problem. Help me out fellas I'm running out of warranty and need to take her in ASAP!

 

It is known as a governor, and it is there because your tires may not be speed rated (LT tire) for one reason. If you do a search, you will find lots of info, including how to turn it of, not necessarily the best move.

 

get custom tunes written.

what gears do you run?

 

On your edge bump up all the shift points by 3mph.

 

I dont know if I understand the description. Does the motor fall on its face? Such as you hit a certain RPM and it doesnt pull anymore? Or do you get another sensation?

IMO the 5.4 has a decent mid range but no low and nothing on the top end either. My truck is one of the most acceleration challenged models built and I understand that.

Its really too expensive to justify, but one of the mustang mags shows a set of cams that lose nothing on the bottom end, but pick up some nice numbers as the tach climbs. This was for a 4.6 3v, but should be similar results for your 5.4.