#117
» Wed Mar 17, 2010 11:50 am
Hi guys, after doing some tests I think barometric pressure does affect afrs more than I was specting. Or my car is doing weird things.
I've been tunning during those days where it was clowdy, so the baro press was low. And since two or three days we have shiny days and the baro has risen around 15-20 mb (0.443 inHg) and I've got around 0.2 richer afrs. Even that the Intake air temps were the same as before.

720cc injectors, Mazda RX7 fuel pump, FTS Fuel pressure regulator, MAP, EVO III turbo, dual boost setting switch (10psi and 22psi), full 3" exhaust, 2,5 IC piping, EVO VIII IC, ported 2G manifold and O2 housing, EGR blocked off, HKS SSQV VOB, FFWDconnection DKS1 camshafts, fidanza adjustable CAM gears, air filter hot air block off plate, ARP's, 0.5mm oversized cast pistons, polished and cc'ed combustion chambers, TB coolant lines bypassed&FIAV blocked off. Eprom ecu+ostrich+jackal. MMCD+palm. Boost, water temp and oil temp gauges, PLX M300 wideband.