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Forced Induction Forum Sponsored by Active Autowerke
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Old 08-13-2013, 02:11 PM   #1
Flaboy239
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Stage 2 + Meth upgrade????

Currently rocking the AA stage one kit but looking to upgrade to stage 2 and add meth injection. What's the hp and tq gain I can expect? Weighing my options between this or new car.


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Old 08-14-2013, 08:31 AM   #2
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I gained about 70 rwhp with my setup switching from stage 1 generation 6 to stage 2 generation 6
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Old 08-14-2013, 08:40 AM   #3
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Stage 2 + Meth upgrade????

I went from the gen 6 prima kit to the gen6 stage 2 with cats and dyno'd 470whp
Then I upgraded to gen 7 manifold and air box removed the cats and dyno'd 522whp (sae)



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Old 08-14-2013, 08:53 AM   #4
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I can't really give a baseline and increase per stage.. but I can say that the 328ci dynos around 155-160 stock (out of the bag) at the wheels. After the stage 2 setup, the car did over 300 wheel without meth. With meth and the tune, they are expecting between 30-50 horses increase... will keep you posted after the dyno tune.
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Old 08-14-2013, 09:00 AM   #5
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Stage 2 + Meth upgrade????

Sorry just noticed you weren't talking about an e46 m3


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Old 08-14-2013, 02:12 PM   #6
Flaboy239
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Stage 2 + Meth upgrade????

Sweet! I'm guessing it would put me over 400hp to the crank but I can't be sure.


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Old 08-14-2013, 03:12 PM   #7
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Quote:
Originally Posted by Flaboy239 View Post
Sweet! I'm guessing it would put me over 400hp to the crank but I can't be sure.


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Stage 2 will definitely get a 330 north of 400... at the crank though. Wheel is hard to guestimate.. especially considering the Non-ms seem to suffer considerably more drivetrain loss than their M counterparts.

The stock 328 had ~200 crank horses and were dyno tested early on around 155... that's a ton of loss. (not sure if the 330 fared better)
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Old 08-14-2013, 03:17 PM   #8
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Originally Posted by 2000_328CI View Post
Stage 2 will definitely get a 330 north of 400... at the crank though. Wheel is hard to guestimate.. especially considering the Non-ms seem to suffer considerably more drivetrain loss than their M counterparts.

The stock 328 had ~200 crank horses and were dyno tested early on around 155... that's a ton of loss. (not sure if the 330 fared better)
I'm thinking my lightweight flywheel and OZ Racing ultrallegra wheels help with some power loss to the wheels. Although the LSD might negate that.


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Old 08-15-2013, 07:12 PM   #9
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I am making 335.1 at the wheels up to 6000 rpms with no meth. I was leaning out above that on the dyno, I haven't been back since I fixed it.

That said, I am picking up a meth kit soon and I am trying to do forced induction cams. I am hoping to get to around 360 to the wheels so add 15% (normal amount of drive train loss) 414hp at the crank.

I have an M sub frame and 3.62 LSD it doesn't negate anything except single wheel spin.
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Old 08-16-2013, 01:05 PM   #10
Flaboy239
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Stage 2 + Meth upgrade????

Quote:
Originally Posted by BMW_Knight View Post
I am making 335.1 at the wheels up to 6000 rpms with no meth. I was leaning out above that on the dyno, I haven't been back since I fixed it.

That said, I am picking up a meth kit soon and I am trying to do forced induction cams. I am hoping to get to around 360 to the wheels so add 15% (normal amount of drive train loss) 414hp at the crank.

I have an M sub frame and 3.62 LSD it doesn't negate anything except single wheel spin.
3.62 LSD huh? Take it on the highway? I have 3.42 LSD and I'm pushing 3k rpm at 70 mph.


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Old 08-23-2013, 02:40 PM   #11
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I think you mean you have a 3.46 rear. Never heard of a 3.42 unless its custom.

I am pushing about the same rpm at 70. 3.46 isn't much different than 3.62.
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Old 08-23-2013, 06:35 PM   #12
Flaboy239
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Stage 2 + Meth upgrade????

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I think you mean you have a 3.46 rear. Never heard of a 3.42 unless its custom.

I am pushing about the same rpm at 70. 3.46 isn't much different than 3.62.
Ya it's 3.46. I was thinking of another car. I'd imagine 3.62 is about the same difference as 3.46 vs the stock gears.


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