[Cougar_333]

Can it be upgraded?

 

[Smokey]

Please give a little more explanation,... what result do you desire ?

 

[Cougar_333]

a performance boost, i know mopar make performance PCMs but i wanted to find one compatible with my truck

 

[big10]

MP doesn't make anything for old trucks it's all about Magnums. Get a 360 SMEC and TBI for an upgrade. A Comp or Crane cam, springs and rockers would help too.