I am in the process of tracking my performance enhancement without going to the dyno shop all the time. This is just for fun and the numbers are meaningless. It is the delta that I am concern with. Here is my first crack at logging engine rpm with durametric obd tool and generating this dyno plot. I have done two runs in second gear and they seem to pretty consistence except at the end due to the fact I did not want to bounce on the rev limiter at RPM. The spreadsheet is from the net and seems to taken account with wind drag, and hp corrections. 3rd or 4th gear pull would be more accurate but I would need to do it in a drag strip. I am hoping the rain would stop and do few more runs before flashing my car with snap-flash :banana: Attached is the excel sheet and two dyno chart. One from our fearless admin and the other from me. Both cars have de-snorkel mod only... The shape of the charts look similar....
Discussion summary
YOUR RESEARCHDIY OBD Dyno
1 matching discussions were examined; no attributable action/outcome evidence was detected. No consensus or repair conclusion is claimed.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
Read captured repliesInsufficient extracted evidence does not mean there is no answer in the original discussions.
1 matching discussions · 1 captured posts examined · 1 partial discussions
Coverage and how to read this overview
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
1 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
- Planet-9: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261027T011819Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
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