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1,471 Posts
Wait? No. It's going to get messy anyway. Thinking RT plays tricks with your mind, I'm an addict, I think it has helped me understand EFI tuning very quick. You probably know much more about EFI than I do so what are you waiting for? It really should not be different from the PCIII in principle. I think that if you try to break your head thinking about it it's good exercise for your neurons and damn fun. Try it and see if you notice less hp with whatever map you use.
Go out, being lean at low rpm for short time is nada. Get to a VERY long porkless stretch (please, avoid the track), get it steady at 2000 and whack it open till redline. More of the same fun, just with a backpack, a laptop in it hooked for dataloging. Then go back home and analyse the data. Put your knock sensors on the graph, watch for spikes and zoom on them, note what rpm they start and end then make it richer there using the VE tables. That way you discard gross and damaging deviations caused by the exhaust change. Fine tuning is for the dyno as you know.
Go out, being lean at low rpm for short time is nada. Get to a VERY long porkless stretch (please, avoid the track), get it steady at 2000 and whack it open till redline. More of the same fun, just with a backpack, a laptop in it hooked for dataloging. Then go back home and analyse the data. Put your knock sensors on the graph, watch for spikes and zoom on them, note what rpm they start and end then make it richer there using the VE tables. That way you discard gross and damaging deviations caused by the exhaust change. Fine tuning is for the dyno as you know.
