| 09-28-2015, 12:10 AM | #1 |
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Stock vs ESS flash vs JB4 map2 vs JB4 map6 20psi
So...I have started to use VirtualDyno with my JB4 logs and using the same stretch of road I think I am getting some very accurate results. All pulls are in 4th gear with DSC off. Mechanical mods on all measurements are the same!
***The ESS flash was done remotely (not on a dyno) so there is a small problem with the duty cycle meaning the boost is oscillating around max which you can also see on the graph*** Numbers displayed are engine hp!
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M135i 8AT PWG, MHD, Pure Stage2, WMI via Torqbyte CM5-LT, Custom tuned by PureBoost
(A Dane in China)  Last edited by harkes; 09-28-2015 at 07:52 AM.. |
| 09-28-2015, 02:52 AM | #2 |
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Harkes,
I assume you mean power figures are at the crank as opposed to at the wheels as implied on RHS axis of the graph. Were the ESS and JB4 cars using same fuel and add-on mods ? Great comparisons. Virtual Dyno is proving v handy for JB4 users ! BP
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| 09-28-2015, 02:56 AM | #3 |
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ESS runs pretty lean, looking at this chart...any pinging?
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| 09-28-2015, 04:04 AM | #4 |
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ttimbo
Look again - ESS is actually running most rich.
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| 09-28-2015, 10:06 AM | #6 |
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ovekvam
Indeed it is 
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| 09-28-2015, 10:16 PM | #7 |
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Harkes tested my flash tune today with the Vbox 100-200 9.1 sec and seeing a peak boost of 17psi at 5500 - That said its a consistent 14.5psi ecu flash tune. As you know my car produced 364HPATW on a DD Dyno. I have also found VD a wonderful tool
Last edited by chaddy74; 09-28-2015 at 10:30 PM.. |
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| 09-29-2015, 12:55 AM | #8 |
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chaddy74
For those numbers you must be running +15psi redline. I did not think that was possible on stock turbo. Or are you running Stg1? My 355whp was @ 16psi + meth.
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| 09-29-2015, 02:56 AM | #9 | |
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Yes my car EWG M135i flash tune runs a solid 14+psi to redline no issues ! Stock turbo no Meth !!
Moving onto M2 tho now so this car is done , no more mods Quote:
Last edited by chaddy74; 09-29-2015 at 03:10 AM.. |
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| 09-29-2015, 04:06 AM | #11 |
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Hmmm- interesting...I get less power with Pure Stg1 + meth @16psi (355whp). Do you know if they changed your timing?
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| 09-29-2015, 04:29 AM | #12 | |
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Yes the fuel , timing boost/engine load was modified !
Quote:
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| 09-30-2015, 04:08 AM | #13 | |
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Quote:
http://www.n54tech.com/forums/showthread.php?t=33891
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