|
|
|
|
|
|
BMW Garage | BMW Meets | Register | Today's Posts | Search |
|
BMW 3-Series (E90 E92) Forum
>
Pure Turbos N55 single turbo upgrade
|
|
05-08-2014, 08:14 PM | #312 |
Lieutenant
34
Rep 410
Posts |
|
Appreciate
0
|
05-09-2014, 08:04 AM | #315 |
New Member
0
Rep 5
Posts |
I'm not to sure of the confusion going on here. What I understand when I read the thread is that he dynoed stock with a catback I believe. He then along the way dynoed jb4 map 3 with meth, and finally with the pure turbo map3 meth. All on the same dyno granted they are different days but we won't hold that against him. I see a difference of over 113hp over stock and he isn't even FBO. The added bonus is that the power holds longer and even climbs before falling off around respectively 6k. Why is everyone focused so much on total whp, when we all know they vary dyno to dyno. He has reported the change from stock hp to mods discussed final hp with respectable gains.
just my .02 take it or leave it. |
Appreciate
0
|
05-09-2014, 08:56 AM | #316 |
Lieutenant
34
Rep 410
Posts |
|
Appreciate
0
|
05-09-2014, 11:36 AM | #317 |
Captain
133
Rep 917
Posts |
What I'd really like to see what these Pure Turbo cars are running in the 1/4 mi. Any of you planning on getting on the track? Trap speed would tell us a lot. I haven't been able to trap higher than 112mph with my 6MT with stock turbo.
__________________
2011 135i M Sport 6MT LeMans Blue | Active Autowerke Gen II axle back | Berk d******* | N54 gutted mids | FuelIt Walbro 450 fuel pump | Pure Turbos Stage 2 | 3.5bar TMAP | Pure Turbos inlet pipe | BMS intake | BMS oil catch can | ETS intercooler | ETS charge pipe | BMS JB4 w/ ISO firmware | BMS backend flash stacked on PPK | Eibach springs | Whiteline rear subframe bushing inserts | cosmetic tidbits
|
Appreciate
0
|
05-09-2014, 11:43 AM | #318 | |
Major
677
Rep 1,349
Posts
Drives: BMW F80 M3
Join Date: Jun 2008
Location: Belgium
|
Quote:
|
|
Appreciate
0
|
05-09-2014, 01:57 PM | #319 | |
Captain
216
Rep 633
Posts |
Quote:
Now that Darkhold has posted the WHP charts, good comparisons can be made. While this is not a 450whp turbo as stated earlier in the thread, it is a nice improvement over stock. From what I can see on the graphs it is an average power increase of about 36whp from 3,000 RPM to 6,000 RPM over a tuned stock turbo and the ability to run out the revs at least another 500 RPM to 6,500. If we look at the average power increase from 4,500 RPM to 6,000 RPM, the numbers are even more impressive, at an average gain of over 50 WHP. Let's compare to the "other option" that's available. WHP gain over tuned stock turbo with similar supporting mods: RPM Pure Stage 1 Competitor B 3,000 +10WHP -25WHP 3,500 +15WHP -10WHP 4,000 +20WHP +25WHP 4,500 +35WHP +45WHP 5,000 +45WHP +80WHP 5,500 +55WHP +100WHP 6,000 +70WHP +120WHP Average +36WHP +48WHP Based on price: Pure Stage 1 $1,000/36WHP gain = $28.00/Average WHP gain Competitor B $4,000/48WHP gain = $83.00/Average WHP gain Not sure how "Competitor B" calculates that a stage 1 upgrade is a poor value. Seems "Competitor B's" math skills are on par with his forum etiquette and people skills. |
|
Appreciate
0
|
05-09-2014, 02:05 PM | #320 |
Second Lieutenant
5
Rep 200
Posts |
I'm not a dyno/tuning expert, but it seems that most people are concerned with PEAK WHP not average WHP. Also make sure you take into account he has a cheaper stage 2 option for roughly 2K that SHOULD produce similar numbers compared to his 4k option. So for 2k we can expect to see almost 100whp PEAK increase over a FBO n55 on e85
|
Appreciate
0
|
05-09-2014, 02:36 PM | #321 |
New Member
0
Rep 5
Posts |
LOL, great post biz77!!
That being said "Competitor B" will never get a red blooded cent from, this guy, no matter how good of a deal that is ever offered. Thanks to such a "exceptional" attitude, I doubt he will ever realize what it does to his sales. I thought it should also be noted that I have been in contact with Darkhold, and that I plan to meet up with him in the very near future. I current drive a FBO N55 that I consistently run 40-45% E85. I will be able to also attest to the difference there is between stock turbo and pure's stage 1. I believe it will be a close comparison since he was running no FMIC and meth and I have a kitty less DP and FMIC and run 40-45% E85 on 93oct. I will be sure to also provide feedback when I have something to report. |
Appreciate
0
|
05-09-2014, 02:39 PM | #322 | |
Captain
216
Rep 633
Posts |
Quote:
$1,000.00/+70WHP gain = $14.30/WHP $2,500.00/+120WHP gain = $20.83/WHP I still don't see the lack of value in a stage 1 upgrade no matter how you slice it. |
|
Appreciate
0
|
05-09-2014, 03:05 PM | #323 |
First Lieutenant
32
Rep 373
Posts |
You really have to keep in mind that nobody (intelligent) starts a race at 3k RPM. When drag racing you'll be in the 3.5k-6.5k rev range the whole time and the other turbo offers +140whp over the FBO stock one@6.5k.
So then, the numbers look like this: 3,500 +15WHP -10WHP 4,000 +20WHP +25WHP 4,500 +35WHP +45WHP 5,000 +45WHP +80WHP 5,500 +55WHP +100WHP 6,000 +70WHP +120WHP 6,500 +85WHP +140WHP Average +46WHP +71WHP $21.54/AvgWHP vs. $56/AvgWHP. Also, I'm fairly certain that shifting at 6.5k will drop you back to 4k RPM for gears 2-3-4, which makes the average numbers: +52/+85 $19.35/$47.06 Pure is definitely great value for your money, but it's not as disparate a comparison as previously posted.
__________________
2011 335i sedan 6MT, 515whp/530wtq. Pure Turbo Stage 2, Motiv SST TwinDisk Clutch/FW, Motiv Flash, AA 4" DP, ER FMIC, AA turbo-back exhaust, Quaife LSD, ST Coilovers, BMS Intake, UUC DSSR+SSK, ER CP, BMS CDV, BMS OCC, Arkym CF trunk
|
Appreciate
0
|
05-09-2014, 03:19 PM | #324 |
Major
677
Rep 1,349
Posts
Drives: BMW F80 M3
Join Date: Jun 2008
Location: Belgium
|
With the 8 speed in F series shifting at 6.5k will bring you back to around 5k rpm in gears 3/4/5/6.
|
Appreciate
0
|
05-09-2014, 03:21 PM | #325 | |
Second Lieutenant
5
Rep 200
Posts |
Quote:
|
|
Appreciate
0
|
05-09-2014, 03:24 PM | #326 | ||
Major
677
Rep 1,349
Posts
Drives: BMW F80 M3
Join Date: Jun 2008
Location: Belgium
|
Quote:
|
||
Appreciate
0
|
05-09-2014, 03:31 PM | #327 |
Captain
216
Rep 633
Posts |
|
Appreciate
0
|
05-09-2014, 03:33 PM | #328 |
Captain
133
Rep 917
Posts |
Peak HP does matter but what matters more is the horsepower and torque curve overall across all RPMs. That's why I always like to trust the results of a standing race such as a quarter mile over dyno's. Dyno's are best for fine tuning and bragging rights. "My car makes 400hp!". "Yeah but it's peaky and you have 200ft/lbs of torque and you run high 13's in the quarter". This is getting way off topic. haha. Sorry.
__________________
2011 135i M Sport 6MT LeMans Blue | Active Autowerke Gen II axle back | Berk d******* | N54 gutted mids | FuelIt Walbro 450 fuel pump | Pure Turbos Stage 2 | 3.5bar TMAP | Pure Turbos inlet pipe | BMS intake | BMS oil catch can | ETS intercooler | ETS charge pipe | BMS JB4 w/ ISO firmware | BMS backend flash stacked on PPK | Eibach springs | Whiteline rear subframe bushing inserts | cosmetic tidbits
|
Appreciate
0
|
05-09-2014, 03:34 PM | #329 |
Captain
216
Rep 633
Posts |
Look at the WHP comparison graph on post #303. Look at 6,000 RPMs. Stock tuned turbo is making 320WHP. Pure Stage 1 is making 390WHP. 390-320 = 70.
|
Appreciate
0
|
05-09-2014, 03:45 PM | #330 | |
Major
677
Rep 1,349
Posts
Drives: BMW F80 M3
Join Date: Jun 2008
Location: Belgium
|
Quote:
Apparently not all vendors are able to be like that. |
|
Appreciate
0
|
Bookmarks |
|
|