Nearly stock Dyno
05-04-2006, 01:56 AM
#26
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Originally Posted by Luna.
To be honest, the graph looks a little strange. Why is it that HP/torque are crossing at ~4,900 RPM?? I would expect that to be at 5,252 RPM.
05-04-2006, 04:17 AM
#27
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BMW E39
Okay here is a stupid and noob question for you guys.
How exactly would you dyno an auto tranny in 4th? If I were in 4th and went WOT, all the tranny would do is downshift into 2nd and take it from there.
How exactly would you dyno an auto tranny in 4th? If I were in 4th and went WOT, all the tranny would do is downshift into 2nd and take it from there.
05-04-2006, 02:22 PM
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Originally Posted by Grumpy666
It would be 5252 if both scales were the same. Note that the HP scale uses 50 units per major division, while the torque scale uses 31.25 units per major division.
05-04-2006, 02:54 PM
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2003 E55 & 2014 GL550
Looks really nice (your dyno), but yeah, gotta be 4th bro. Per the masters at the Klee.
Does look strong though.
Here's mine with near 12K in mods (well 4500 for LSD)
Be interested what yours runs in 4th.....if you ever get a sec....pop it back on and let us know.
Congrats again on getting a great motor. Mine was obviously one of the more mild ones. Gonna try resetting ECU and then driving it like I stole it.....I bet mine set up more mild as well as I drove it home 700miles with cruise on right out of Klee.
Does look strong though.
Here's mine with near 12K in mods (well 4500 for LSD)
Be interested what yours runs in 4th.....if you ever get a sec....pop it back on and let us know.
Congrats again on getting a great motor. Mine was obviously one of the more mild ones. Gonna try resetting ECU and then driving it like I stole it.....I bet mine set up more mild as well as I drove it home 700miles with cruise on right out of Klee.
Last edited by Jakpro1; 05-04-2006 at 02:57 PM.
05-04-2006, 04:23 PM
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Originally Posted by Luna.
Not trying to be an a$$ or anything, so please don't interpret this negatively, but I am not sure at all what you are saying. Please elaborate. Based on the calculation of HP, I'm confused how it could ever not cross at 5,252. As a matter of fact, it must mathematically. What am I missing?
05-04-2006, 04:54 PM
#33
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Originally Posted by Grumpy666
Yes, mathematically it must - but if the y-axis scales are different, it won't. Go back to the the graph and go to the 5252 point on the x-axis. Trace up to where it hits the torque curve. From that point trace over to the torque scale on the right. Note the value there (about 437). Now trace up the 5252 line to the HP curve and then trace over to the left to the HP scale. Note that it is the same value as the torque curve. Make sense now?
Apologies for my temporary stupidity...
Tell them to make the X and Y axis figures mirrors of each other!
Last edited by Luna.; 05-04-2006 at 05:02 PM.
05-04-2006, 06:20 PM
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'10 MB E63, '08 ML550 ('05 E55, '05 SL55, '08 E63 GONE)
Originally Posted by DerekFSU
Outside of showing power gains, dynos aren't worth much. Take it to the track and make a few runs. If you run under 12.3, then I think you've got something. Go get'em.
~ Ian
05-04-2006, 09:44 PM
#35
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2019 GT2RS, 2021 AMG GT Black Series, 2020 G63 and 2022 Bentley Flying Spur
Super Engine Builder
Wow this has taken off in many directions. Thanks to the many who took the time for congrats. However I was just fortunate enough to buy what might be an anomoly. Anyway someone asked who built the engine and in response to that I can report that the signature on the blower looks like Justinn Royer. Can't say for sure as it was nearly dark when I checked. Anyone else have their engine built by this relatively anonymous german? Well anyway in my case he apparently did a fine job of tweaking her to grand heights.
Last edited by Dean62; 05-04-2006 at 09:49 PM.
05-04-2006, 11:25 PM
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I would highly doubt that one AMG engine builder can assemble an engine with about 10% more output than the other builders. These are highly engineered assemblies with tight tolerances. If assembled correctly, they will produce the same amount of power within 1-2%. The only thing an individual assembler can do is screw something up, which should result in reduced power. The car-to-car variation is more likely due to testing procedure and calibration differences.
