In theory, you could support 500 on 42#ers on regular fuel, but E85 is another ballgame. Think double your fuel requirements and a fraction of the MPG. Not that any of us looking for big power have delusions of MPG, but E85 is highly inefficient.
I am going for around or just over 500 on my stock block 306. I am going to use an on3 kit with e85. AEM has a series of e85 specific 340 lph pumps. Deatschwerks makes e85 specific injectors. I am going to go with the 78s. I was planning on using RC 750s but RC advises against use of ethanol. I am pretty much going off of that table and what my tuner says.
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