03-02-2020, 02:19 PM | #1 |
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Baseline M340i Dyno runs are impressive
I love good data.
This is why I decided to do baseline Dyno runs before I do anything to my car. I picked my car a few months ago, had a proper break in period and the took it to the dyno. - dyno used: DynoJet (same shop I've been using for years). - fuel: 91 oct California gas. Last runs were 91+1 bottle of Torco octane booster diluted in 3/4 of the tank. - temp: ~70F throughout testing. Results: - I have to say that car performs pretty consistently. Best of 4 baseline runs I had 366whp and 369wtq. This is impressive on stock car with 91 gas. - then I put in 1 bottle of Torco just for the heck of it. Result was 372whp and 385wtq. I don't know what percentage of power is lost crank to wheels on these modern platforms but if advertised power is 382 then that loss is 4.1% which I have a hard time believing. If we look at 10% loss then this engine makes ~410hp and just as much torque. I'm uploading dyno graphs and video. In the video red run was an outlier and we were still trying to dial in the dyno. Here is the video on the Dyno: https://www.youtube.com/watch?v=RAilsSwGdg0 Last edited by ryivnx; 03-02-2020 at 03:48 PM.. |
03-02-2020, 02:21 PM | #2 |
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I'm going to upload the video soon.
Also impressive that the bottle of Torco did not do much for horsepower but added 15-20 wtq depending on where in the graph |
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03-02-2020, 03:52 PM | #9 | |
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Quote:
The best at the pump petrol in the US that is readily available is 93 PON which is 98 RON equivalent in Europe |
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03-03-2020, 05:54 AM | #11 | |
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Quote:
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03-03-2020, 08:58 AM | #12 |
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I'm curious to know how much change in extra power downpipe with high flow cats alone will bring. Need to have a conversation with AA.
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03-03-2020, 10:22 AM | #13 |
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It's making 20 HP increase without a tune on Supras; I would not be surprised if it made similar gains on the G20
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