This is the information, he would benefit from if he is to keep CCC.
Is there any ZZ4 on eBay for a reasonable cost also? That would be worth a look 😎🤘🤘🤘
There is a guy on MCSS.com named Bitflipper who burns ZZ4 clone chips. Remember you need a 87 or 88 ECM to be able to use a ZZ4 chip.
Unlike a normal carb, the CCC system can compenstate for changes in barometric pressure.