05-28-2014, 02:58 PM | #24 |
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05-28-2014, 09:05 PM | #25 | ||
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05-28-2014, 10:19 PM | #26 | |
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06-03-2014, 09:08 AM | #27 | |
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Correction factors vary greatly as well. What most people don't realize is how efficient the DCT is, and how little it robs from the power curve. I'm assuming your results are with a 15% drivetrain loss? Here in the States, we use dynojets and mustang dynos and others, which all vary as well, but wheel hp gives us a more accurate sense of things. From the speedo, your car seems no faster than mine. Mine having dps, intake, exhaust delete and bms.
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06-03-2014, 09:21 AM | #28 | |
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The MAHA overestimates DT loss because DT loss on most modern cars is greater under decel than accel due to varible resistance of alternator etc... The MAHA previously estimated DT loss for an F10 at 19%. The real nuber is more like 12%. The crank number you are quoting is likely at leat 5% high, more likely 7% high. Therefore 791 crank with 19% DT loss = 735 with 12% DT loss. Bigg difference. Furthermore, you can't assume that your mods added power. You should redyno to confirm before quoting additional hp. |
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06-03-2014, 01:52 PM | #29 | |
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06-04-2014, 12:35 PM | #31 |
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He has previously stated that RWHP now is "over 600hp", and that he made 90hp more at the crank, on the same dyno, from the Manhart tune to the PP tune, see links below.
http://f10.m5post.com/forums/showthread.php?t=830347 http://f10.m5post.com/forums/showthread.php?t=972834 |
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06-04-2014, 03:05 PM | #32 |
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He did state over 600whp MAHA with PP tune, but declined to share the actual value or graphs.
On the one hand I understand the hesitancy to post the actual info (the discussions that follow can get pretty bad), on other hand he's made a significant crank hp claim. If you don't want to get into dyno discussions then don't make the crank claim. If you're willing to claim 800 crank you should be willing to show the MAHA whp dyno numbers and graphs. In the end, I appreciate what's he's done for the community… The videos are fun and he's certainly stimulated discussion. |
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06-20-2014, 01:33 PM | #33 |
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I will post the first dyno when the car was a Manhart version. After that we removed the cats, installed a more powerful PP-Performance software. But since the second dyno was not a Dynojet but a Maha, I won't be posting the Maha sheet. I have been in too many negative discussions when all I wanted is to share info with this community. This dyno shows 660 WHP and 889 Nm of torque.
Last edited by M-bitious; 06-20-2014 at 01:45 PM.. |
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06-20-2014, 01:43 PM | #34 |
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I feel comfortable to quote with my latest IPE exhaust upgrade 810bhp. Crank bhp is what we Europeans go by (just like BMW quoting crank bhp). People may do their own maths on what they believe the wheel power is. Sorry to disappoint. I do don't really care about RWHP.
In the meantime I have a flash from abroad that should remove the torque limiter in the gearbox, which should take it over 1,000Nm and the speed limiter which I hit at 328 km/h indicated. I am now preparing the car for a real top speed run in Germany. I will be checking: - Max speed allowed on the Michelin Pilot Supersports. (350 km/h for sure) - Filling them with nitrogen rather than just air. - Discussing the right tire pressure front and rear. - Having tires removed for internal inspection. - Filling up with Aral 102 Octane for max power. - Calculating the down force on the car in kg. Since I am expecting a top speed in excess of 220 mph indicated I really need to take this extremely serious. The car is very heavy and the tires have to take all this load and heat. I don't want to have a blow out. If I have the slightest concern during the run I will stop. So keep looking out for the video, v-box and photo material I hope to post after June 29. |
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06-20-2014, 01:55 PM | #35 | |
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06-20-2014, 04:13 PM | #36 | |
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06-20-2014, 06:15 PM | #39 |
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What gear were you in when dynoing?
I dynoed mine in 5th but power cut off at 6200 rpm do to topend limiter. So I have another 1000 rpm to go pretty sure some more power to be made. Also 6th gear is the 1:1 gear. I believe my car is pushing 800+ at the crank. This was a dynojet Dyno. Last edited by m6beast; 06-20-2014 at 06:26 PM.. |
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06-21-2014, 02:12 AM | #40 |
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Over on the F80 boards there is a thread on the Supertest dyno results of the new M4.
Some useful info on the different methods and WHP results between different dynos. Also some info on why the MAHA shows what appears to be a high drivetrain loss (apparently because the losses indicated on the MAHA also includes the inertial losses of the dyno and not just the drivetrain). Suffice to say that the MAHA is approved by TUV and most manufacturers. The thread also has a compilation of various RWHP recordings on a few dyno brands. And when a stock E9x M3 makes anywhere between 305-360whp on the same brand of dyno (a 17% variation!), then comparing dynosheets between different operators makes no sense... You need to do what the OP has done here. Do before and after dyno runs on the same dyno and same operator. Then you can see how much power the tune has added. |
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06-21-2014, 02:13 AM | #41 | |
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06-21-2014, 06:07 AM | #42 |
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Well I didn't dyno in 5th gear for my base but when I did from 4th to 5th gear pulls same day there was a 30whp gain and 40wtrq gain from going to 4th then 5th.
My F10 M5 stock did 580 whp and 540wtrq in fourth gear When I added the BMS stage 1 tune same day it went to 621whp and 590 peak wtrq also in fourth gear My M6 has more mods. Also on this same dyno, dynoed a sl63 12' did 416 whp can't rememeber the torque numbers but pretty accurate to what factory claims with drivetrain loss. My cousin dynoed his sl65 04' did 525 whp and he has exhaust. Stock ecu. The reason they dynoed these benzs they didn't believe my M6 was pushing that much power even though my M6 stock blew the doors off his sl65 when my m6 was in stock form which I have a video of it. Also my buddies n54 dynoed 664 whp 515 wtrq on his single turbo set up. Raced him in my M5 BMS stage 1 and blew the doors off of it. Think his car is almost 800lbs less. You can't mess with these cars with technology between turbo boost coming in early dct transmission and crazy torque down low. Have a video of that race My M6 did 11.0 at 128 mph back to back very consistent. Going back to the track now that it has adapted to the meth set up hoping to break 11's Here's Dyno from my M5 stock Dyno run to BMS stage 1 same day 4th gear pull Last edited by m6beast; 06-21-2014 at 06:39 AM.. |
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06-21-2014, 06:38 AM | #43 | |
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The OP did 660whp on the Dynojet with his Manhart tune. Then he changed to the PP tune. But before changing he dyno'd his M5 on the MAHA dyno with the Manhart tune. Then he did the PP tune and dyno'd again on the same MAHA dyno which resulted in 90hp more at the flywheel. So, he basically has 90hp more than what the Dynojet shows (since he got a delta gain of 90hp between the two tunes on the same dyno). |
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06-21-2014, 07:13 AM | #44 |
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So we have manheart, pp performance, bms, and switzer. For the most part I've only heard of one guy who pushed the limits of his car featured in this thread w the pp. most others use bms and I can't remember the guys name in Cali who has the switzer. I'm just curious why 99% of us stayed away from the manheart. I have my own reasons from past irritations w them on another forum post. But none the less state side I've never heard of anyone using them or pp.
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