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Leak Down Test

RBS550

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Port St Lucie Fl
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RB
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2015 Mustang GT
After my fuel pump failure and running lean at the NMRA Atlanta event, it was time for a series of test & inspections. This is a good thing for the more race oriented members to put on their list. This should be done before you have an issue, this way you have a base line for future tests/issues.

In the video, this was my worst cylinder, with a leak rate of 7%, not bad. I made this video as short as I could, to avoid lack of interest, there are many things that can be said about this procedure, one would be to do the test when the engine is warm, just keep in mind if you do a test later down the road at different temps, the results will not be as consistent, and may give you false concerns.

[ame]
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