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Forced Induction Forum Sponsored by Active Autowerke
Discuss supercharging, turbocharging and even nitrous and water injection here.
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Old 12-30-2013, 06:09 PM   #21
Davew
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Ess ts2 tune

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Originally Posted by 330i ZHP View Post
hasn't Adam been clear in his experience that the M52 and M54 engines cannot go much higher than 7200
Was trying more so to "diplomatically" tell davcon to leave it for now, and change the intake cam the next time he takes the motor apart! Lol


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Old 12-30-2013, 06:13 PM   #22
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Old 12-30-2013, 06:20 PM   #23
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plus - the ess tune changes the cut out to 7200
I would assume then also that the 248/256 cams are "optimal" to 7200rpm and not beyond. I personally have no intension of going past 7200rpm, but I have struggled to find little info on these cams.


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Old 12-30-2013, 06:34 PM   #24
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It would be a good idea to do a preliminary run on a dyno to check some basic details and go from there (being in Melbourne and all). As for the custom tune, your individual set up e.g. aftermarket cams, will be taken into consideration and the tune adjusted accordingly. It is a proper tune, suited for your car and not a reflash. Best thing would be to firstly touch base with SAS and see how you go.
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Old 01-08-2014, 05:31 PM   #25
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Got a chance to run her up on a dyno today, running very very lean.


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Old 01-08-2014, 06:03 PM   #26
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I turned it so it's easier to look at.


Agreed, poor AFR curve. A good tuner can fix it.


EDIT: 229KW to HP = 307WHP
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Rob #43 ITS/ITR/STU, BMW 325I, STU LAP RECORD
SUMMIT POINT WV 1:24:229 S.C.C.A.
(DynoDynamics http://www.vimeo.com/8486878 Dyno Video)
"Chance Favors The Prepared Mind" M54 CAMS 264/252 $849
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Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!

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Old 01-08-2014, 08:09 PM   #27
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So lean after 5k :O
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Old 01-09-2014, 01:45 AM   #28
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Before doing anything with the tune, I would want to know that the fuel pressure is stable all the way through the RPM range. You can check this by connecting to the schraider valve on the fuel rail. (Most rapair shops have the tool for this) Of note, you want to make sure that whatever tester you use, that it doesn't have a check-valve installed. I recently had a fuel filter issue with my Tahoe, where the fuel pressure gauge installed had a check valve to measure peak pressure. So when fuel pressure dropped as RPM increased, it didn't show....
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Old 01-09-2014, 04:48 PM   #29
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Old 01-09-2014, 11:50 PM   #30
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Before doing anything with the tune, I would want to know that the fuel pressure is stable all the way through the RPM range. You can check this by connecting to the schraider valve on the fuel rail. (Most rapair shops have the tool for this) Of note, you want to make sure that whatever tester you use, that it doesn't have a check-valve installed. I recently had a fuel filter issue with my Tahoe, where the fuel pressure gauge installed had a check valve to measure peak pressure. So when fuel pressure dropped as RPM increased, it didn't show....

One of the "Top 3" Smartest guys here on E46Fanatics !

I spent a few hours re-reading through some of your old threads last night, it's Really Good Stuff.


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Rob #43 ITS/ITR/STU, BMW 325I, STU LAP RECORD
SUMMIT POINT WV 1:24:229 S.C.C.A.
(DynoDynamics http://www.vimeo.com/8486878 Dyno Video)
"Chance Favors The Prepared Mind" M54 CAMS 264/252 $849
Quote:
Originally Posted by RacerX View Post
Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!

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Old 02-13-2014, 08:27 AM   #31
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Attachment 541758
Got a chance to run her up on a dyno today, running very very lean.


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Yeah, mine was similar to yours on my TS2. Except mine started really rich 11.7 at 2,500, droping to 10 at 5,500 then all the way to 14 at 6,750.
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Old 02-14-2014, 06:06 AM   #32
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Dyno, sorting out problems.

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Got a chance to run her up on a dyno today, running very very lean.


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Not running very well.

Temp when dynoed was 35+ deg celcius (95+ deg Fahrenheit)
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