No limiter here using a MP pcm.

Some part numbers for you.

**P5249548 Engine Controller (1994–95 8.0L ATX Ram)

**P5249955 Engine Controller (1996 5.2L ATX Ram)

**P5007105 Engine Controller (1999 5.9L 4x4 ATX Federal Ram)

**P5249516 Engine Controller (1992–93 5.2L Dakota)

**P5007205 Engine Controller (2000 5.9L 4x2 ATX Federal Dakota)

**P5007111 Engine Controller (1999 5.9L 4x4 ATX Federal Durango)

**P5249545 Engine Controller (1994–95 5.2L ATX Ram and Dakota)

**P5007107 Engine Controller (1999 5.9L 4x2 ATX Federal Dakota)

**P5249546 Engine Controller (1994–95 5.9L ATX Ram)

**P5249935 Engine Controller (1996 5.9L ATX Ram)

**P5249518 Engine Controller (1993-94 5.2L 4x4 ATX Grand Cherokee)

**P5249702 Engine Controller (1995 5.2L Grand Cherokee 4x4 ATX)

**P4876898 Engine Controller (ATX 1998 5.9L 4x4 Federal Grand Cherokee)

 

What are the RPM's at that speed? There is no governor for speed as far as I know, but there is a rev limiter built in to the PCM software.