Here are some dyno graphs of my M50 nonvanos swap. The first graph is when the engine is cold. The second graph is when the engine is warm indicating the oxygen sensor should probably be replaced. Wouldn't have noticed that without the Dyno.
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hmm, need to get that AFR under control before that motor grenades. It looks like you are down about 30RWHP, I would suspect there is a little more to it than just the 02 sensor.
looks like it is time for an 02 Delete!Brian Jacobs -
I thought the rated engine hp for an M50 was about 192. So 164 rwhp is about right after drivetrain losses no?sigpicComment
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fuck sorry, I read S50, I know you wrote M50. With that said yes that is not far off, but your AFR should be way lower. I would venture to say that when you get that figured out you should pick up a few HP/TQ
but more important over the power is the reliability. It would be a shame to do all that work and have a motor detanate on you.Brian JacobsComment
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what gear and tranny setup does your swap car have?sigpicComment
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Definitely a new O2 and maybe an AFPR, dial the pressure up a few pounds. They like to be rich up top.
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Running a 5 sp. Z3 tranny. Throwing a new O2 sensor in today.sigpicComment
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