Aux Fuel Confusion

So while trying to do as much research on aux fueling(and frying my brain at the same time) for my build.
My goals are 450whp on 93.
Im trying to find a solution that will work with an ETS Tmic/cst5.
Most PI Setups need to switch to Fmic.
Im Trying to avoid meth if i can(Still an option) and I dont have access to e85
Been looking into 5/6th port injection but finding these kits/information specific for it is lacking.

So for the most point im looking at doing a damond throttle body spacer, injectors,fuel rail,split second.(basically 5/6th) set up but looking for more information for this. Everytime i look up the throttle body spacer it always mentions meth injection. IF anyone can help lead me in a decent direction the help would be appreciated.

Also trying not to go away from the stock intake manifold as i need to pass inspection and vcts/egr delete would leave too many readiness monitors unready. The mil i know can be disabled but im only allowed 1 readiness monitor not ready.

 

Hi!
The stock intake has a lot of imbalance between the runners, so each cylinder will receive different amount of extra fueling.
I think you should stay away from the stock manifold with 6th port added.

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Id rather go PI but i cant run tmic with any proper pi setup.
Freektune used to make 6th port kit but out of stock. The speed performance kit seems a bit over priced and doesnt come with what i want.
I can always port the intake mani to get a bit better flow.
I dont have the budget atm to have to do both pi/fmic/new intake mani along side of my built long block budget.
also only going for 450whp as a dailiable car for now. Not much over for now.
The 6th port will be a partial setup if i go to 600+whp down the line instead of just doing wmi. (since i can reuse the returnless lines/upgraded fuel pump/split second/etc with damond adapter or cs intake+ fuel rail)

I have most of the parts i would need to run a 6th port sourced except i cant find a 2 injector fuel rail .