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Dyno results- loss of power with M370

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Old 07-06-2013 | 03:47 AM
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Really? Damn that Sucks *****!!

Originally Posted by Iilac
The manifold is based on the vq35hr manifold so it is a waste of money for G35 sedans.
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Ken (07-08-2013)
Old 07-06-2013 | 07:32 PM
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This mod doesn't seem worth it to me. I see already that without a tune its crap, but what I want to see is a tune before the manifold and after the manifold with nothing else swapped or changed just the manifold. To actually see if this is fubar or not.
Old 07-08-2013 | 08:10 AM
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Originally Posted by JohnsVert
Please keep us dated on this , especially with the results after the tune
Will have an update by this coming weekend. Scheduled the tune for Saturday. The car seems to be adapting to the M370 as it pulls harder through the gears.

Side note: I noticed that the top plate (Moderdyne cover) was not secured tightly and I removed it about a week ago. It was causing vibrations... One of the front screws was not seated all the way (too long) which is why the plate vibrated.

Anybody think that the knock sensor was picking up the vibrations and reducing power, as shown in my dyno results of the first post?

Last edited by rza2042; 07-09-2013 at 07:24 AM.
Old 07-08-2013 | 08:13 AM
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Originally Posted by SS_FireHawk
I did a lot of research on this with mine and had a couple other guys confirm similar results on their own. After tuning, there was more midrange, with about a 2whp loss up top. There was more average power over the curve. Posted below are my results. I had some bad O2 sensors, but both manifolds were tuned and tested under the same conditions.

Thanks for posting your results. What other mods did you have when the car was dyno'd?
Old 07-16-2013 | 09:35 AM
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M370 TUNED: Results

Results:

287WHP 242TQ

I was able to gain back most everything that was lost when the M370 was originally installed, plus a little extra HP and TQ in the mid-range. The car seems a bit more responsive and it's nice having the valet/kill start maps as well.

Not sure if it's worth trying to squeeze anything more out of this motor without going FI, at this point. Going to enjoy the mods and tune for awhile. Suggestions, thoughts or input is appreciated.

Thanks!

Comparison between un-tuned M370 and tuned M370
Old 07-16-2013 | 09:54 AM
  #21  
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Originally Posted by rza2042
Results:

287WHP 242TQ

I was able to gain back most everything that was lost when the M370 was originally installed, plus a little extra HP and TQ in the mid-range. The car seems a bit more responsive and it's nice having the valet/kill start maps as well.

Not sure if it's worth trying to squeeze anything more out of this motor without going FI, at this point. Going to enjoy the mods and tune for awhile. Suggestions, thoughts or input is appreciated.

Thanks!
good looking curve, but i was expecting a little more.
is your car an automatic?
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Old 07-16-2013 | 10:01 AM
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Originally Posted by ]\[ /-\ ]\/[
good looking curve, but i was expecting a little more.
is your car an automatic?
Yes, it's auto and I was expecting a bit more for gains also. Any thoughts about the longer intake runners being more beneficial for FI over NA?
Old 07-16-2013 | 10:09 AM
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Originally Posted by rza2042
Yes, it's auto and I was expecting a bit more for gains also. Any thoughts about the longer intake runners being more beneficial for FI over NA?
not sure but a lot of guys that are making 300+whp do have intakes. like stillen gen3 CAI along with a similar setup like yours
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Old 07-25-2013 | 11:16 AM
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I also thougt you would have seen more?? Intakes WILL help for sure, I made 298 WHP and 240 WTRQ also on an auto ( 7spd X Coupe) I know all dynos are different but mine was also on a mustang.
Old 07-25-2013 | 11:34 AM
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That's weak, no offense pal. I also am running the M370, but saw some decent gains.

Curiously, what software did you tune with?

I just had an EcuTek tune yesterday done, and my G screams now. More solid evidence that EcuTek > UpRev.
Attached Thumbnails Dyno results- loss of power with M370-dyno1.jpg  
Old 07-30-2013 | 08:14 PM
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Originally Posted by DJE44
That's weak, no offense pal. I also am running the M370, but saw some decent gains.

Curiously, what software did you tune with?

I just had an EcuTek tune yesterday done, and my G screams now. More solid evidence that EcuTek > UpRev.
Hahahahaha sure.
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Old 07-31-2013 | 09:16 AM
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Originally Posted by Elperuano
Hahahahaha sure.
The numbers speak for themselves.
Old 07-31-2013 | 04:00 PM
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Did you do a side by side comparison with UpRev n then ECUTEK? If not then you're just blowing smoke.
Old 07-31-2013 | 04:17 PM
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Originally Posted by Elperuano
Did you do a side by side comparison with UpRev n then ECUTEK? If not then you're just blowing smoke.
Do some research and you'll see the dyno result difference. Also ask around. The biggest difference is being able to control camshaft timing, which Osiris is unable to crack. Another factor is the wizardry done by the tuner themselves, of course. But the feedback I received made me decide to go with EcuTek, and I am glad I did. I highly doubt I'd be seeing those numbers with Osiris. Again, refer to my sheet.
Old 07-31-2013 | 04:34 PM
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Lol ok man. If you would have done research you would know EcuTek is still trying to get everything worked out. Still few updates not available yet. There's very few dyno graphs about EcuTek. More speculation like the post you made that is better. No one outside of visconti and dynoyronics have even messed with the ignition timing. You're right about finding the right tuner that can work magic with it. so far not many with EcuTek.
I'm not knocking EcuTek at all as it will be the route I go when it's fully complete. Your graph means nothing without a side by side comparison. There's nothing to compare it too.
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