You just use a regular one as boost and vacum is the same thing regardless of diesel or petrol. (Although you will never see vacum on diesels). My old queen had 10 psi of boost until I disconnected the wastegate, then it goes to around 15 psi.

PartyPaj


Pajero 2.5 Turbo Intercooler ?91 LWB auto, 37" IROK, air compressor, HiLift, LightForce lights, VHF, NMT mobile... etc. etc.