Originally Posted by SteveVQ

I feel the whole E85 on a NA Z is social media pops and bangs clout related. You really don't see significant gains with e85 until you're boosted.

Quality parts + a good tuner on 93 pump will get you in the 320 to 330whp. Look at my sig, only 3 mods Z1 CAIs, Test Pipes and Motordyne TDE. I'm knocking on 330whp without E85. I just need to add Ported Upper and Lower Intake Mani and LTH and I'll be over 330whp with a retune.