Safe A/F ratio for 75 shot?
#4
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The car is tuned for 13:1 thats good. If you dont stray far from the manufacturers recommended jet pattern your nitrous kit will richen it up while on spray, which is exactly what you want. Although 75 is wee wittle shot, I would say 12.2-12.8 rich to lean.
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I tuned my car for 13.0 all across for NA. The recommended 150 shot jet ratings richened me up on the spray from mid 12's down to around 11.3 at the higher rpm's.
So yeah 13.0 is great becuase the recommended jetting will richen you up.
So yeah 13.0 is great becuase the recommended jetting will richen you up.