Nitrous fueling question
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Nitrous fueling question
I was running a direct port on the Fiber Tuned intake with 13 psi on my dedicated fuel system and my afr was in the mid 11 range. I had a little mishap and had to put my Fast with the DP on it back on the car. Now the strange part. With the dp jetted the same as the FT I had to lower the fuel pressure down to 7.5 psi to get the same afr. Why would this happen? Is the FT flowing that much more air?