07-05-2018, 08:27 AM | #24 |
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07-05-2018, 08:48 AM | #27 |
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07-05-2018, 04:52 PM | #29 | |
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07-06-2018, 08:08 AM | #30 |
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The other question is drive ability... I installed the JB4 on my car and the performance is great. The main issue I have noticed is it seems to pull way harder at 3/4 throttle compared to WOT and that is not always consistent. I know Terry is keeping an eye on things and will update as needed.
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07-06-2018, 09:05 AM | #31 | |
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07-06-2018, 09:56 AM | #32 | |
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07-06-2018, 10:08 AM | #33 | |
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Kudos to JB4 for supplying info. Vivid, TDI, Manhart,etc need to supply extensive data on HP/TQ curves, AFR, throttle position,etc,etc before I would ever consider installing one. Stock power is pretty impressive. |
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08-21-2018, 03:10 AM | #36 | |
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their forum. Still early days for the JB4 maps, but seems like a general misunderstanding on the throttle mapping here. Power is controlled via the valve lift. Throttle is used to regulate boost to target with a huge throttle blade on each side of the engine. Depending on the engine speed the car will make full power at 40-80% throttle position since it's not a flow restriction. Whatever you're feeling in terms of inconsistency just post some logs of it for them and they can get it sorted in the mapping. And for those who didn't hear they recently ran 10.6@132mph!
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02-05-2019, 07:37 AM | #37 |
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BMS and JB4 discussions are all on this forum;
https://www.n54tech.com/forums/showthread.php?t=52314 |
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02-05-2019, 01:31 PM | #38 | |
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12-24-2020, 08:43 AM | #39 |
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Any updates here from folks running JB4? I'm putting together a build for a (hopefully) February allocation.
Wondering if I can pull the JB4 from my F80 and tap it into the S63, or if I would need to upgrade, but will do some searching on the N54 forums anyways... Hope everyone is staying healthy and obeying speed limits!
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