gm 3.3 bar sensor location

[1995gsx20g]

i have yet to get a preturbo injection setup rolling because i had to get my engine management system up to par. i finally got almost everything i need in place but have heard that water injection may throw off my map sensor reading. i was wondering if this is true or if there are any thoughts on how this could happen so i can mount my map sensor accordingly on the intake manifold.

i also am going to be running a gm intake air temp sensor most likely on my ic pipe 6-12 inches before the throttle body.

i also want to keep the option open to also inject after the intake air temp sensor and before the throttle body.

Thanks guys,
-Chris