08-23-2016, 06:59 PM | #46 |
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No, you can go straight for the JB4 Beta and BCM
Last edited by Sick335; 08-27-2016 at 05:50 PM.. |
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08-24-2016, 10:58 PM | #47 | |
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Last edited by StatenEye; 08-24-2016 at 11:04 PM.. |
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08-25-2016, 06:48 AM | #49 |
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08-27-2016, 05:54 PM | #50 |
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I had leaks from the tank. Then from the valve. Then from the fittings. Then I has flow problems because of the fittings. It was just a huge ass nightmare. Never want to deal with it again. Plus its flammable as hell
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08-29-2016, 12:54 PM | #51 |
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Any before/after dyno numbers yet? Track?
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08-29-2016, 06:37 PM | #52 |
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10-27-2018, 03:35 PM | #53 |
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I know it's an old thread. Any updates on reliability for those that run this setup?
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10-27-2018, 06:19 PM | #54 |
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One blown motor here. Happened the first time I used the e30 tune (map 3.) Had no data logs from the run so no phucks given.
I'd go a different direction. |
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10-27-2018, 07:10 PM | #55 |
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That's bad luck, but I'd be finding out the root cause before blaming BMS.
Plenty of other people have run JB4 on all sorts of aggressive fuel mixes and maps without issue. |
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10-28-2018, 01:57 AM | #56 |
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Instead of messing around with the JB4 just go for a decent DME tune. Plenty of choices from a lot of good tuners out there.
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10-29-2018, 08:29 AM | #57 | |
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My 2010 had index 6 injectors, a driveway tuneup (new plugs and coils, oil change, coolant flush) and 80k+ miles. Everyone reviewing feels the injectors (and associated boost) played a part in the two bent rods. Quite a costly mistake. As mentioned above, DME tuning would be my recommendation. Joining forces between the JB4 and a DME tune would be the preference. I'll run the JB4 again on this build, but only to keep my kittyless light from coming on. That is, until I can get a DME tune and see the live outputs of it's tuning before adding e30/JB4 use. I feel a swap to TU mannies and turbos combined with blankets and DP wrap with the DME tune is the winning combo here. Our community just needs to get a committed tuner stateside to deliver with consistency. As it stands now we are the bastard platform. In all honesty, if we can accomplish the above I feel we can control our resale value to some degree. This platform is KBB'd to $20k-$25k right now. If we can solve the S63 to S63TU power disparity with some consistency the difference between E and F platforms is minimized. TL;DR - E70/71 with a reliably configured AVIN unit in the dash and similar F-body (ouch on the terminology) power numbers at a $20k-$30k discount would be a steal. |
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10-30-2018, 06:16 AM | #59 | ||
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Drives: E30 M3 Cecotto, F85, G05, G07,
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10-30-2018, 07:59 AM | #60 | |
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If I had it to do over again, I would have done DP and DME tune together and then stopped on the stock motor. Now that I have upgraded to forged internals... I'll be DP and JB4 already, but adding a DME tune while the JB4 is in play. I want to be able to run E30 and get max boost from the factory turbos and not explode the block. The JB4s M.O. is to fool the DME into changing it's operating parameters. I instead want to have the DME prepared for what the JB4 is going to be doing and assuring I'm within the safe zone on a/f. |
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10-30-2018, 08:01 AM | #61 |
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03-14-2019, 03:06 PM | #62 |
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Sorry to revive this thread....had a question on the stock boost..
Is stock boost 9psi or 16? With stage 1 (+3psi) in data logs you should see 12 or 19 respectively. What have people recorded? |
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03-14-2019, 07:09 PM | #63 |
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From reading I've done stock peak boost for the S63 is supposed to be 1.2 bar which is about 17.4psi. Haven't had the chance to get my own readings yet to confirm that.
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03-14-2019, 07:24 PM | #64 |
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Pretty sure the M is 16 or 17. The 50i is 12 although it depends on temp. When it's below 60F the comp limits it to 8psi, when it's 100+ I see 12psi stock. I imagine the M is programmed similar to limit boost if the air is to chilly and more dense
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