Nothing earthshattering here, this is pretty much what is expected when switching to SR16 cams.
Sorry for the HUGE graph, if someone can shrink it, please do so.
Green line is SR20 with factory cams
Blue line is SR20 with SR16VE cams
Switch points: 4400 Intake; 4700 Exhaust
SR16 cams - Calum ECU with bin for VE with Cams (richened up a little with 17* base timing)
SR20 Cams - JWT ECU at 15* base timing
All - 2.5" VRS exhaust with cat, HS CAI, Fuji
Runs were several years apart on the same car, corrected for temp, humidity, pressure.
When I started the runs, I had the switch points at 5000/5400 but this left a 400 RPM lag in the curve. At one point, I had both cams set at 4500, and the dyno operator (a BMW racer) almost jumped out of the car in shock when the cams popped. He said he thought that the engine had blown.
he tail pipe sniffer (data on graph) tracked my Innovate wide band very closely.
I might lean out the mixture a little next time I'm at the dyno.
Oh yea, for those that don't know, the Dyno Dynamics Dyno consistently reads 5-7% lower than many of the more commonly used dynos (e.g., Dyno Jet).