Published on 11-28-2010 08:43 PM
I have spent the entire day gathering this data. I was finally able to orchestrate this test with a friend of mine who also frequents this board. He was witness and also passenger data logging. Firstly, the test conditions were such:
135i, stock downpipes, stock intercooler, JB4/G4 alpha tune. Ambient conditions 72F. Engine warmed up fully, heatsoaked for both runs. Boost kept constant for both runs. Meth mixture 90/10. Flow rate for meth was about 310-340 ml/min TOTAL.
Multiple runs were done 2nd through 4th gear, best back to back runs were compared.