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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 > More v4 track testing (new world record-- no nitrous)



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      03-14-2010, 04:08 PM   #45
lamia2super
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      03-14-2010, 08:56 PM   #46
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good driving! You've got better times in that car too. Keep it up.
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      03-14-2010, 08:59 PM   #47
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I wonder if it was because you forgot to take out the jb3 you were testing?
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      03-14-2010, 09:06 PM   #48
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I wonder if it was because you forgot to take out the jb3 you were testing?
No, the datalogs look too good



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      03-14-2010, 09:17 PM   #49
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wow 18-20 psi of boost, no wonder
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      03-14-2010, 09:17 PM   #50
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Quote:
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No, the datalogs look too good



shiv
LOL
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      03-14-2010, 09:22 PM   #51
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wow 18-20 psi of boost, no wonder
How about we say 18-30psi? Because that would be accurate as well. And FWIW, it was only running ~17-17.5psi of boost as measured on the boost gauge. TMAP pressure will be higher since it is on the other side of the throttle body. Again, try reading the thread instead of being such a debbie downer.

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      03-14-2010, 09:59 PM   #52
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wow 18-20 psi of boost, no wonder
On that logic shiv, you should run 30psi... instant 9s!!

Seriously... once you max the turbos, pushing more boost will not increase performance... it will reduce it. What is important here is that the turbos were flowed to their max... just the same as every other serious stage 3+ car that is going for good results. Lets not get caught up on this car running 0.5 psi more than that one. All the 400+hp ATW cars are at the max of the turbos, so boost level selection is more about managing compromises than about more boost = more power.

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      03-14-2010, 11:58 PM   #53
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I hate when people try to ruin good threads with 4th grader remarks. Who are you guys trying to impress with your uber coolness??
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      03-15-2010, 01:37 AM   #54
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Here's the next (and last) run of the day. Basically just to back up the previous 11.50 run.

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      03-15-2010, 02:03 AM   #55
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Nice run. I think bigger turbos for your car setup will be nice.
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      03-15-2010, 02:17 AM   #56
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great runs! what octane were you using?
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      03-15-2010, 10:42 AM   #57
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nice launch
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      03-15-2010, 09:53 PM   #58
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ETA on the new firmware/maps? Thanks Shiv.
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      03-15-2010, 10:00 PM   #59
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Quote:
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great runs! what octane were you using?
I was running five 110 leaded mixed with some residual 91oct I had in the tank.

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ETA on the new firmware/maps? Thanks Shiv.
About 1/2 done with what needs to be done before release. Hopefully by the end of the week. The new maps are really good. Very fast shift-recovery for 6MTs.
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      03-15-2010, 10:03 PM   #60
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Very fast shift-recovery for 6MTs.
Good stuff, thanks man.
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      03-15-2010, 10:17 PM   #61
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Shiv, how were you shifting? I tried to listen but wanted to confirm? No lift shift or just simple quick shift?
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      03-15-2010, 10:23 PM   #62
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Shiv, how were you shifting? I tried to listen but wanted to confirm? No lift shift or just simple quick shift?
100% full lift between shifts as shown on the datalog (Throttle). I've never shifted any other way. On any car
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      03-16-2010, 09:36 AM   #63
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[quote=shiv@vishnu;6922680]I was running five 110 leaded mixed with some residual 91oct I had in the tank.
QUOTE]

Is your car fully catted to relieve any concerns of running leaded? Is it suggested?
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      03-16-2010, 09:51 AM   #64
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That clutch could probably handle NLTS without taking TOO much abuse

Not sure if the marginal gains would be worth the cost of new discs though. BTW, how's that Spec holding up? There's not much info out there regarding aftermarket clutches for our cars
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      03-16-2010, 12:28 PM   #65
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very nice run congrats on the time, especially with out NOS thats just amazing....cant wait for the new maps.
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      03-16-2010, 12:37 PM   #66
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Quote:
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I was running five 110 leaded mixed with some residual 91oct I had in the tank.
I didn't know this.
The leaded fuel doesn't do anything to the o2 sensors or motor?
I assumed you were running MS109.

I can't run anything higher than MS109 due to my secondary cats.
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