Ultimate reading incorrect rpms
#1
Ultimate reading incorrect rpms
Ive been trying to tune out a lean spot in the upper rpm's but the ultimate isn't reading the right rpm's. When I use map trace and datalog the rpm's and rev it up in neutral, it pulls values from the right columns and reads the rpm's just fine. But when I go and do a 3rd gear pull to redline it only reads up to 8200-8300 and wont get the right values in the maps so its running lean. I cant figure out why it wont read it right when its under load. I searched and didnt come up with anything. Anyone have any ideas? Thanks.
#2
isnt there an actuator that opens right around those rpms................???? becuz i know one opens around 4500 then one open around 7k i believe.......then another one around 8k im not too sure....... but just a suggestion
#4
No its not a problem with the valves opening. The upgrade kit (thats what I'm using) disables them and uses a blocking plate anyway. The problem is the emanage not reading the correct rpm's under load.
#5
Just a thought that came to me today. Maybe the ultimate is reading the correct rpm's and the tach is not as precise? So I shouldn't worry about it. Anybody agree with this?
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