Originally Posted by
Martin-Hadland
That's strange, I have compared the Stack gauge to our dyno DD AFR reader (Autronics make it for DD) and have found them to almost spot on (give or take .1), I did find that the reading was incorrect during warm up though.
Martin you are using the Bosch sensor I guess, I am using the £500 NTK one on the meter and there is around .5afr diff between the two depending on the temp of the Bosch sensor.
Mark