Safe compression ratio for boost?

I Think i'll be switching my turd to e85 for next year. I'm at 12#' of boost on 93oct right now figure i can go upto 14-15#'s and throw my tfs-r heads on it should be good for a little bump in power.
 
Any details on the setup
If I remember right this is the combo I just talked to Lidio about the other day because it was REALLY close to mine and it was around 10:1 . Its sounds like you are going the same route as me which I was told will make gobs of power but will require new electronics ( A F.A.S.T. System) :|
 
If I remember right this is the combo I just talked to Lidio about the other day because it was REALLY close to mine and it was around 10:1 . Its sounds like you are going the same route as me which I was told will make gobs of power but will require new electronics ( A F.A.S.T. System) :|

Yeah, I'm not too excited about dropping 2 grand on an engine management system. I was leaning towards the Megasquirt PNP because of cost. It seems to have all the features needed, except for the fact that it is Batch fire only, instead of sequential. From doing some reading most guys think the sequential is overkill and not needed. Although the new MS3 has sequential capabilities, but is still ~1200
 
i just got a AMS PMS with injector driver and 3 bar. i hear its not the best management in the world, but at the 600$ i have invested, im happy. if your running high inpedence injectors, you could find one for 450$ i bet. i was forced to get an injector driver because i have 72 pound low inpedence injectors.
 
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