who makes a programmer for 98 4.6 that can do shift points, rpm`s,air/gas mixture,and more.hypertech makes one but it only does a little

 

you have </P>


twEECer r/t</P>


holley has one</P>


accel does as well</P>


and their is one more but I can't think of it</P>


these will let you data log what's going on when you make changes a few of these can be used as a stand alone</P>

 

Pretty sure that Hypertech makes one as well.