I won't boost instantly but it won't take much time to get onto boost. 3-4k will spin up and redline and you'll go nowhere fast. Best thing is to feed Ye power in from like I said around 2300-2500 
Anti lag will kill a turbo, not sure but don't think you can get it on these tbh
Anti lag will kill a turbo, not sure but don't think you can get it on these tbh