Fuel pressure regulator and other stuff on Nova Gsi E16SE

[turbosbiellato]

Hi guys,
Thanks to all for the existence of this forum, is a preciuos resource for all. In Italy there aren't forums like this. The Nova (Opel Corsa in Italy) is not appreciated like in UK.
Then...
I have a Gsi with E16SE engine.
I have done few optimization for the car in these ways:
- Removed damper near fuel pump:
- Egr excluded
- Removed the "half-moon" on the butterfly of the throttle body
- Bigger hose for the airbox.

But... The car was slower, usually at high revs. I tried to tune the ignition timing, but nothing happens. Then I put the original hose for the airbox and the car came back to decent performance. Maybe there was too much air for the ecu. I thinks it needs a ecu remap. Not a problem, it is my next mod, immediatly after the exhaust.
Then I want to mount a fuel pressure regulator (before remap the ecu), but I don't find how to modify the rail of E16SE engine. In the rail there are 3 hoses: fuel in, fuel return, and depressure to the air intake body. How can I modify the rail to fit a FPR? I find an adaptor, for XE engine, but it has only 2 "holes".
I apologize if my english is not good...sorry.
Many thanks to all

[turbosbiellato]

Anyone?

[torquey]

You carnt map the ecu on the e16se so Iam told.. As for the reg you can buy a fse power boost valve but they arnt any good. You would be best making sure your oe injectors are right by having them cleaned professionally.

[turbosbiellato]

Thanks!
FSE and FPR seems to be the same thing. What the difference? I'm looking at FSE online at fuelpumps.
I knew to a pilot who has run many years with the Nova, and he told me the ecu is mappable. The eprom has to be desoldered, reprogrammed, and soldered again.
I'm looking around about injectors cleaning.