We have a cool tool at work, it's in the Motorad shop. Fancy digital vacuum gauge for syncing throttle bodies. I'll try and snap a picture.
I used it on a E30 M3 once.
91 318is - M50NV (gone)
02 WRB Subaru WRX EJ207 forged, 320 AWHP stock turbo.
85 - 325
02 325i Sedan