Originally Posted By: RI_RS4
The Castrol had 4000 less miles on it. It's really hard to compare FP or fuel % directly, unless you make the two runs under exactly the same conditions. I was able to do that with my engine. I also suspect that at 10K miles, the RLI was getting pretty well-worn, as evidenced by the reduced VI over VOA.
Here's an interesting plot of the RS4 engine data:...........
Just to clarify, is this latest plot from your RS4 engine, or all 20 RS4 engines?
The Castrol had 4000 less miles on it. It's really hard to compare FP or fuel % directly, unless you make the two runs under exactly the same conditions. I was able to do that with my engine. I also suspect that at 10K miles, the RLI was getting pretty well-worn, as evidenced by the reduced VI over VOA.
Here's an interesting plot of the RS4 engine data:...........
Just to clarify, is this latest plot from your RS4 engine, or all 20 RS4 engines?