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1K views 11 replies 4 participants last post by  99Classillac 
#1 ·
Anyone out there know if it is possible to swap out a 1999 Deville Concours PCM into a 1999 Base Deville? I have the base deville and was thinking about that earlier today. That would get rid of my 112mph limiter. I have wet dreams of going faster than 112mph. What is everyones thoughts on doing this?
 
#5 ·
Sucks. Well what would happen if I put the pcm from a concours in without a reflash or anything? Would it not start at all or since my engine doesn't have the right cams, it would just mess up the timing and eventually my engine? Oh and does your chip work after you take it out or you gotta keep it in?
 
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