ok i just got an 85 RX-7 with the 12A and i have some Q

1 what is the fule PSI?

2 the oil level sensor wires have been cut what affect will this have on the engine?

3 what is the norm oil presser while ideling and driveing down the street?

4 the cold start hose has been removed from the carb should there be a vaccum cap there?

5 the gsl rear end is better then the gs, how hard is it to switch?

6 the 12A i have has the oil to h2o cooler, what would i need and how hard would it be to switch to air cooled

7 ok last one for now, can i put a clear fuel filter in the engine bay( i have put a new filter under the car)

thanks for the info!!!!