08-30-2020, 03:02 PM | #1 |
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jb4 at 320i b48
here is my experiance with JB4 at 320i (stock@184hp).
here you can see the dragy reslults! I'm very satisfied with it. |
08-30-2020, 08:26 PM | #3 |
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I'm not the OP but I drive on map 2 now since its hot here in IL. In the winter, I was running map 3 with ~E30 blend. I'm running E25-E30 now but went to map 2. This car definitely feels slower when its hot outside (we've been having >85°F here).
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08-31-2020, 04:47 AM | #4 |
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08-31-2020, 08:22 AM | #5 |
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My car feels the same in maps 2 and 3. Max boost is around 21psi on both maps. I use 2 in the summer just for peace of mind. I might even bump it down to 1 since IATs sky rocket when I go WOT on the highways here and it’s >90F. This car definitely needs a better heat management system. In the winter, I was on map 3 all the time and had absolutely no issues. Performance was much better too.
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08-31-2020, 09:47 AM | #6 |
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Nice!
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08-31-2020, 02:46 PM | #7 | |
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From what I know, MAP3 is an adjustable one. So it starts from +4 psi (same as MAP2) but if you push it more it can go up to +6psi, which is nice since its auto-adjustable. Question of temperature is really important, yet I never have seen more that 108 (Celsius) even we have +32C outside nowadays. Bigger inter-cooler could be useful anyway, but I haven't seen one bolt on yet. |
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08-31-2020, 11:19 PM | #8 | |
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We have 32C temps here too. And mine goes to around 125-130F when going WOT. When I drive sedately, it’s around 105F. Sometimes even lower at around 99-100F. But yes. Never 108C!!
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09-01-2020, 01:13 AM | #9 | |
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I was talking about Oil Temperature it's around 230F (110C) |
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09-01-2020, 01:40 AM | #10 | |
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Since you have a dragy too, I’m curious as to how the time the jb4 connect app shows compares to what the dragy shows.
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09-01-2020, 07:47 AM | #11 | |
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so for any good testing get a dragy )) |
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09-01-2020, 06:23 PM | #12 |
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Hehe. I know it wouldn't be accurate but what did you get? Just to know how far off the jb4 is is all. I used two GPS apps on my phone and it was almost spot on with what JB4 showed. I guess it also depends on the phone used. I used to use it on my one plus 6t and had zero issues with the GPS speed on it. On my galaxy s20, the GPS speed doesn't display a lot of the times and thus causes issues when logging.
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09-03-2020, 10:53 AM | #13 | |
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09-03-2020, 11:50 AM | #14 |
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Wowzer. That is wayyyyy off!!! In mine, it shows believable times actually. I tested once with a dragy and it showed almost the same time. Just 0.1x seconds off. But it was with a friends box since I don’t have a dragy. So I couldn’t do more tests to see if it’s consisten.
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09-03-2020, 12:35 PM | #15 | |
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