Mass-Flow-Rate limitting boost - GT-R Register - Official Nissan Skyline and GTR Owners Club forum

R33_GTS-t · 14th October 2005, 06:07 PM

I had a downpipe and cat-replacement fitted. During the day the boost is normal - 0.75bar but at night, when cold, it drops to 0.6-0.65bar.

Is this to do with the denser needing less boost to give the same mass-flow? I don't thing the boost was any different at night before.

Any ideas?

R33_GTS-t · 15th October 2005, 10:36 PM

Problem has now gone away. *Shrug*

14th October 2005, 06:07 PM	#1 (permalink)
R33_GTS-t GTR Register Member Join Date: Apr 2005 Location: [510] days from disposing of Labour. BNFL are shit. One repossession, one (bank) window. Posts: 8,241	Mass-Flow-Rate limitting boost I had a downpipe and cat-replacement fitted. During the day the boost is normal - 0.75bar but at night, when cold, it drops to 0.6-0.65bar. Is this to do with the denser needing less boost to give the same mass-flow? I don't thing the boost was any different at night before. Any ideas?

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15th October 2005, 10:36 PM	#2 (permalink)
R33_GTS-t GTR Register Member Join Date: Apr 2005 Location: [510] days from disposing of Labour. BNFL are shit. One repossession, one (bank) window. Posts: 8,241	Problem has now gone away. Shrug