Rb26 Keeps Stalling As Soon As I Tap Accelerator

[rb26 r33]

hey everyone, i pulled into my drive way the other night and my car died, i checked the battery and the terminal was of so i puth them back on and started the car back up, procced to try and drive and it would not accelerate no matter what i done, as soon as i touch the accerate the car splutters and stalls out,

here is what i have tried so we dont go over things twice

- tried diffrent AFMs

- tried a new TPS

- searched for any vaccum leaks for hours

heres a little about my car so no one has to ask what it has ect

- Standard rebuild (Short motor assembled by Hypertune Engine and Mechanical)

- ACL Race bearings.

- Chromoly piston rings.

- Block and all internals were acid bathed, cleaned, bores honed.

- Crank was Linished. Crank Collar was machined onto the nose of the Crank.

- N1 Oil pump and crank collar installed.

- New Timing belt, tensioner pully and water pump installed.

- Head reconditioned by Gilberts head recos with high quality valve stem seals.

- HKS adjustable cam gears installed.

- Alloy RB26 sump modified for RWD.

- 600x300x100 Front mount intercooler installed.

- aftermarket turbo intake piping kit.

- Apexi split dumps, Apexi 3inch front pipes, Catco high flow cat, 3inch Apexi Stainless catback with muffler. (Apexi N1 catback)

-no bov, stock turbos, stock ecu, stock AFMs

thanks for your time please please try and answer my question i really need some help! thanks