Quote:
Originally Posted by ZL1with1LE
I got the car back and she feels great! My '18 ZL1 with just a Rotofab, DSX flex fuel sensor & secondary cat delete made 580whp/541wtq on 93 and 598whp/554wtq on an E60 blend. Sorian said I need to get a pulley/headers/exhaust to start waking the LT4 up, right now he didn't feel comfortable going too crazy with the timing as if he pushed it too hard it could potentially blow the cats. For just a Rotofab and E, I am more than happy! Time to start saving for the next round of mods.
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Nice just remember as you keep nodding your E content will keep dropping.