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Forced Induction Forum Sponsored by Active Autowerke
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Old 03-08-2012, 09:47 AM   #1
Bmwandreas
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Mikaels M3 E46 turbo 1046 whp

Today i dynoed his M3 to 1046 whp at 30psi with the new Precision 8285R turbo 1.12 A/R H-cover. It would have put out some more with the GT42 cover and 1.28 A/R but there are no space for that
With some vanos tweaking it made 19 psi at 4800 rpm on third gear on the street so itīs not laggy at all
With stock vanos settings it had 19 psi at 5800 rpm

I also weighted it on my intercomp scales to 3740 lbs with driver. So the 4000 lbs was not on a correct scale.

9 sec runs this year?

Here are the dyno movie:
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Old 03-08-2012, 09:54 AM   #2
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Originally Posted by Bmwandreas View Post
Today i dynoed his M3 to 1046 whp at 30psi with the new Precision 8285R turbo 1.12 A/R H-cover. It would have put out some more with the GT42 cover and 1.28 A/R but there are no space for that
With some vanos tweaking it made 19 psi at 4800 rpm on third gear on the street so itīs not laggy at all
With stock vanos settings it had 19 psi at 5800 rpm

I also weighted it on my intercomp scales to 3740 lbs with driver. So the 4000 lbs was not on a correct scale.

9 sec runs this year?
Beast!!


Good to know about the vanos! Some people were saying that is good to leave it in stock settings but i guess not
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Old 03-08-2012, 09:57 AM   #3
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that intake by the headers is fine? Wont it suck hot air?
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Old 03-08-2012, 11:26 AM   #4
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that intake by the headers is fine? Wont it suck hot air?
the fan clutch feeds it air in that location
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Old 03-08-2012, 09:58 AM   #5
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With the PT7675 stock vanos worked perfect. But it was laggy with the 8285R until i moved the cams a bit more.
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Old 03-08-2012, 10:11 AM   #6
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With the PT7675 stock vanos worked perfect. But it was laggy with the 8285R until i moved the cams a bit more.
Good to know! This is the forum that i like with knowledgeable people ready to give info and help
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Old 03-08-2012, 10:00 AM   #7
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I think this will be a low 9
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Old 03-08-2012, 10:02 AM   #8
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I think high 9. If i drive maybe a mid 9
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Old 03-08-2012, 10:09 AM   #9
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To convert to ft/lbs divide it with 1.356
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Old 03-08-2012, 07:28 PM   #10
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To convert to ft/lbs divide it with 1.356
SICK!!! well done
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Old 09-03-2012, 01:00 PM   #11
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To convert to ft/lbs divide it with 1.356
Can someone explain to me why the torque curve starts to fall so early? Seems its close to maximum hp already at 6000 rpm.

Just curious
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Old 09-03-2012, 10:18 PM   #12
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Can someone explain to me why the torque curve starts to fall so early? Seems its close to maximum hp already at 6000 rpm.

Just curious
IDK. But I would love a car where the torque "falls off" to 900 newton meters.
Granted, it is a strange torque curve. It looks like it exceeds a 1000 newton meters by a good margin. Remember this graph is presented with two different scales. That always makes the curve comparison a bit skewed. And torque is in Newton meters just to make things even more different.
It is a monster any way you look at it.
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Old 03-08-2012, 10:22 AM   #13
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Originally Posted by Bmwandreas View Post
Today i dynoed his M3 to 1046 whp at 30psi with the new Precision 8285R turbo 1.12 A/R H-cover. It would have put out some more with the GT42 cover and 1.28 A/R but there are no space for that
With some vanos tweaking it made 19 psi at 4800 rpm on third gear on the street so itīs not laggy at all
With stock vanos settings it had 19 psi at 5800 rpm

I also weighted it on my intercomp scales to 3740 lbs with driver. So the 4000 lbs was not on a correct scale.

9 sec runs this year?

Here are the dyno movie:
Nice work!

What turbo did you have on it at the track?
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Old 03-08-2012, 10:33 AM   #14
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It was a 7675 turbo.
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Old 03-08-2012, 10:42 AM   #15
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It was a 7675 turbo.
What boost were your running at the track with that one? What did it dyno?
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Old 03-08-2012, 10:44 AM   #16
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To the OP, what are you guys tuning with? Proefi?
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Old 03-08-2012, 10:56 AM   #17
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To the OP, what are you guys tuning with? Proefi?
I think they use Vipec IIRC
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Old 03-08-2012, 10:57 AM   #18
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To the OP, what are you guys tuning with? Proefi?
Vipec V88. Controlling DBW and vanos
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Old 03-08-2012, 11:36 AM   #19
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whoa, the torque curve looks very good for such a large turbo.
This is e85, right?
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Old 03-08-2012, 11:57 AM   #20
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Is this the car that went 10.71 in the 1/4 mile?
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