boost cut

I just got a 1989 supra turbo, I've been messing around with it for close to a week now chasing a code 34. Abnormal boost pressure. The car seems heavy at low rpm and once the boost kicks in its great until the boost gauge gets pegged and the cel turns on and the car shudders violently. I can...

Hey all, I have a jzx110 with the 1JZ gte vvti. I’ve got a New boost gauge and MBC. Car is stock short of gauges/manual boost ctrl /exhaust kit/ clutch flywheel/ cone filter. I’ve recently been trying to hit 1 bar boost it’s been a bit of a struggle the gauge only ever says it hit 0.85-0.9 bar...