here is a question i have acked alot of people and got diffrent answers from everyone i have a 90 interga gs with and auto i have everything to swap a 5 speed in the car the question i have is iam going to build the motor to rev high so can i use the the stock ecu and send it in to have a chip put in it or will a 5speed ecu plug in can use the help its a winter build so all the help will be nice

a 5spd ecu will plug and play. youll need to change the guage cluster which i hope you have planned. yes you can have the manual pr4 ecu chipped. not sure about the auto.