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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > ASR twin turbo upgrade going in Saturday



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      05-26-2012, 02:16 PM   #221
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Quote:
Originally Posted by jpsimon View Post
Something isn't right then, you said you made 387awhp on this same dyno with stock turbos... Unless you're just being very conservative with boost

Have any logs?
I would be disappointed to hell with those gains especially with how much they go for. Could you post up the graphs with your stock turbo graph and the ASR graph?
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      05-26-2012, 02:17 PM   #222
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Quote:
Originally Posted by alr335xi View Post
Yes, was only able to due 3 pulls. Made some tune adjustments and reached 396hp 444tq awd on a mustang. This Dyno runs about 22% lower than dynojet and not sure about xi drivetrain loss? That equals 460ish. Not bad for an XI. Highest I've seen so far. Tuning and more Dyno time later this week. I hope to get around 420 hp on this mustang. I'll post sheet later on tonight.
Logs?
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      05-26-2012, 02:31 PM   #223
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Like I said, still needs work. Small exhaust leak where mid section meets rear section discovered. I need to get with Shiv and make adjustments this week. Logs and Dyno sheets will be posted this weekend. I am out all day. Posting from mobile.
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      05-26-2012, 04:10 PM   #224
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Ouch. 6hp over baseline. Obviously something is wrong, hopefully its a cheap fix.
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      05-26-2012, 04:38 PM   #225
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Quote:
Originally Posted by alr335xi
Like I said, still needs work. Small exhaust leak where mid section meets rear section discovered. I need to get with Shiv and make adjustments this week. Logs and Dyno sheets will be posted this weekend. I am out all day. Posting from mobile.
Just hang in there guys. Not as a bad as it seems! Logs and sheets coming!
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      05-27-2012, 12:53 AM   #226
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Quote:
Originally Posted by drfrink24 View Post
Ouch. 6hp over baseline. Obviously something is wrong, hopefully its a cheap fix.
+1
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      05-27-2012, 09:54 AM   #227
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Something is wrong, doesnt make sense
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      05-27-2012, 10:05 AM   #228
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Quote:
Originally Posted by RobBeck View Post
Its just not worth the lip service. Do it. Dyno it. Drag it. Then there is something to talk about.
This ^
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      05-27-2012, 04:54 PM   #229
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Ummm what was the cost of this "upgrade"??
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      05-27-2012, 06:18 PM   #230
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Quote:
Originally Posted by vereak82 View Post
Ummm what was the cost of this "upgrade"??
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      05-27-2012, 06:40 PM   #231
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Think he's being sarcastic
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      05-27-2012, 06:46 PM   #232
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Think he's being sarcastic
I suspect you're right after reading it again.
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      05-27-2012, 08:57 PM   #233
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Quote:
Originally Posted by alr335xi View Post
Yes, was only able to due 3 pulls. Made some tune adjustments and reached 396hp 444tq awd on a mustang. This Dyno runs about 22% lower than dynojet and not sure about xi drivetrain loss? That equals 460ish. Not bad for an XI. Highest I've seen so far. Tuning and more Dyno time later this week. I hope to get around 420 hp on this mustang. I'll post sheet later on tonight.
Fwiw, those are low even on a mustang. I'd like to see your logs.
Fwiw, I did 38x/460wtq on a mustang, stock turbos. I'm sure your setup has more in it.
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      05-28-2012, 03:56 PM   #234
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I know she has more in her, I have to get with Shiv and check the tune. I think my local mustang is low. My buddy has a super charged Shelby that did 560 on another mustang and 459 this past Saturday. Something is up!
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      05-28-2012, 04:29 PM   #235
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Different dyno? Running upgraded turbo maps Or still stage 3? Just throwing random things out there....
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      05-28-2012, 07:42 PM   #236
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Quote:
Originally Posted by alr335xi View Post
I know she has more in her, I have to get with Shiv and check the tune. I think my local mustang is low. My buddy has a super charged Shelby that did 560 on another mustang and 459 this past Saturday. Something is up!
the baseline you mentioned for yourself is from the same mustang you used now correct?
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      05-28-2012, 09:14 PM   #237
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OP, can you please go jump on a Dynojet, run a ton of meth and race gas, run 20 psi peak tapering to 18, set it to STD correction, then do a map 0 pull as baseline and post the graph?

Enough of this speculation
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      05-29-2012, 01:13 AM   #238
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Quote:
Originally Posted by themyst
OP, can you please go jump on a Dynojet, run a ton of meth and race gas, run 20 psi peak tapering to 18, set it to STD correction, then do a map 0 pull as baseline and post the graph?

Enough of this speculation
This
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      05-29-2012, 02:59 AM   #239
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      05-29-2012, 09:44 AM   #240
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OP, thank you for posting all this information. When I first heard who was doing your turbo's, I was skeptical based on other people's experiences with ASR. Your postings seemed pretty optimistic and your dealings with them seemed to be better than those I've heard of in the past. That being said, with the results you've posted, cost involved, etc, your experience reaffirms my decision to go elsewhere when I upgrade my turbos. This is not a slam or criticism on you, just the opposite. I look forward to more of your results.
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      05-29-2012, 11:18 AM   #241
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Why is it so difficult for ASR to pony up $75.00 for 3 pulls on a DynoJet? One would think it's a small investment,
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      05-29-2012, 11:40 AM   #242
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I'm wondering if the turbos fitted don't start flowing lots of air until they get to a high P/R. Did they supply any compressor maps?
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