my t25 took a poop on me, so i swaped in a 14b.

day 1: the boost would spike to 11 then drop to 7 then settle at 9. this turned out to be the actuator was sticking a little.

day 2: get in start driving and it starts to shutter at 4800 rpm at WOT. at part throttle it isnt as noticable. i checked the wire from the ecu to the solonoid, and tried a different ecu and different chips. i havent had a chance to check the voltage on the line yet.

oil level seems fine, and the oil feed and drain seem fine (no leaks).
this is an obd1 sohc/p28/uberdata.

any ideas?