CPS Part Numbers
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THere has been quite a bit of discussion on that very subject. I don't know for certain, but after reading many comments here, it seems that the blue CPS has a definite effect on how the engine runs. Some say their engine runs better with it, others say their engine runs worse with it.
If you have a stock truck, it might be worth a try. I have a chip that was tuned to my particular PCM. As such, I am unwilling to take a chance with something that might change injector timing.
If you have a stock truck, it might be worth a try. I have a chip that was tuned to my particular PCM. As such, I am unwilling to take a chance with something that might change injector timing.