There is no BOV in the z31 because of the 6-8psi stock. There is an emergency pop off valve located on the intake manifold. The round thing that sticks out. That is to keep the engine from overboosting. Take this off if you are going to add boost. On a stock z31 don't go over 12psi without an intercooler. john.
The z31 has an internal wastegate that starts to open around 3psi so there is little chance you will overboost.
The Vehicle does not have a blow off valve. so you will never find it.
300zx from 84 - 88 are z31
how do install a blow valve on passa 1.8t 99
A splitter valve has a blow off valve sound but it redirects the airflow. It combines the features of a diverter valve and blow off in one housing.
next to the blow off switch
It already has a blow off valve on it, and a rather good one.
Nistune. Romulator are two of them you can use to reprogram a z31 ecu.
i dont see why not, my 87 Z31 is running with a 86 ECU (figuring by the codes iv pulled so far are all 86 codes) my car is a 4/87
their difference is very simple. surface blowdown valve is for light impurities while bottom blowdown valve is for heavy impurities such as sludge, etc.
No, without a turbo, there is no blow off valve. However, if you really wanted to, they have fake blow off valves for sale. These mimic the sound of a blow off valve. It would be an absolute waste of money, but hey, it's your money.
Blow-Off Valve
Blow off valve faulty or expansion tank needed at water heater.