does it have a different map to correct for the fuel pressure not being referenced to plenum pressure?
oh there's 2 different versions of that too. Ph1s without a post-cat lambda run a vac feed to the FPR, ones with post-cat lambda, leave it open to atmosphere
seen 3 all Y-reg, the k-tec win-me car being one
just realised, saw another yesterday, new JMS project car is PH1 and it's non return type rail. Took a ph1 engine (big exhaust ports) out of a ph2 this week too, H'actually french.