Compression Ignition Addict
Join Date: Oct 2010
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Anyway To Improve Lower End Torque?
I've had my truck for a little over a year now and done the studs and gaskets and all that and am running a SCT programmer with the SRL+ tune. This truck is quick but I have been very disappointed with the towing performance of it. I was thinking gearing may would make the biggest difference so I took off the 34" tires it had when buying and put on some 31.6" tires and it hasn't seemed to make any noticable difference. The power band just seems to be way up in the RPM range and not where I tend to run it unless I wanted to race or something.
I have heard that a FICM reprogram will help the lower end out, anyone had this done and is it worth it?
Also I have straight 4" no Cat so by not having that backpressure could this be hurting my lower end torque?
Any more ideas of improving the lower end torque?
I had test drove a 5.4L gas F250 that felt torquier than my 6.0L. It's like a 2-stroke dirt bike as it's a dog till it's wound up and hits the power band then it's gone. Just not what I want from a Heavy Duty truck for towing.