Notices
Build Threads Building a motor? Post the progress here.

NB2 Turbo Redemption, or Just More Absurdity... Part Deux???

Thread Tools
 
Search this Thread
 
Old Sep 17, 2017 | 10:53 AM
  #141  
ridethecliche's Avatar
Elite Member
iTrader: (2)
 
Joined: Aug 2016
Posts: 3,890
Total Cats: 146
From: New Fucking Jersey
Default

Originally Posted by 18psi
That wasn't my point. If you wanna just dump in someone's map and cross your fingers I'm fine with it, as long as you basically admit/state that.
My only gripe was with you posting this base map in at least a couple threads now saying "yours is off from this one" and stuff. Like that one is the standard of some sort.

That was my only issue.

But yeah if I were tuning this car, I'd proceed with knock sensing abilities past the map he has now. (though could defininely run more spark out of boost)
That makes perfect sense. Thanks.
Old Sep 17, 2017 | 11:13 AM
  #142  
ridethecliche's Avatar
Elite Member
iTrader: (2)
 
Joined: Aug 2016
Posts: 3,890
Total Cats: 146
From: New Fucking Jersey
Default

Originally Posted by concealer404
What does a Fisher Price My First Bolt On Turbo Kit NB1 map have to do with a ***** of Steel low compression built motor 2871R setup?
Okay, that's funny haha.

I guess I was mostly trying to ask why such a low compression motor wouldn't be running even more timing!
Old Sep 17, 2017 | 11:35 AM
  #143  
vteckiller2000's Avatar
Thread Starter
Senior Member
iTrader: (4)
 
Joined: May 2010
Posts: 826
Total Cats: 68
From: Dallas
Default

Back on topic, reading through Ed's thread (turbofan), I noticed we both have the same compact compressor housing on our 71's. I wonder if this is a bottleneck and causing both of us to run out of flow around 300 whp. I don't want to keep throwing things at it and seeing what sticks, but an anti surge comp housing would be a good idea at this point since I am getting surge in higher gears at lower rpms. I am hitting the dyno this tuesday and I will see what is actually up here.
Old Sep 17, 2017 | 12:40 PM
  #144  
turbofan's Avatar
Supporting Vendor
iTrader: (1)
 
Joined: Sep 2010
Posts: 8,146
Total Cats: 1,087
From: Lake Forest, CA
Default

glad I happened to pop in this thread. Yeah, I wouldn't be surprised if the comp housing makes a difference.

I just finally decided that 300whp is enough, though it's still frustrating.
__________________
Ed@949Racing/Supermiata
www.949racing.com
Old Sep 17, 2017 | 02:23 PM
  #145  
vteckiller2000's Avatar
Thread Starter
Senior Member
iTrader: (4)
 
Joined: May 2010
Posts: 826
Total Cats: 68
From: Dallas
Default

Originally Posted by turbofan
glad I happened to pop in this thread. Yeah, I wouldn't be surprised if the comp housing makes a difference.

I just finally decided that 300whp is enough, though it's still frustrating.
I am also weirded out that I can run 10* more timing than you in boost and make basically the same power.
Old Sep 17, 2017 | 02:35 PM
  #146  
turbofan's Avatar
Supporting Vendor
iTrader: (1)
 
Joined: Sep 2010
Posts: 8,146
Total Cats: 1,087
From: Lake Forest, CA
Default

We didn't run more timing because it didn't make more power with timing. Do you lose power when you pull timing?
Old Sep 17, 2017 | 02:42 PM
  #147  
vteckiller2000's Avatar
Thread Starter
Senior Member
iTrader: (4)
 
Joined: May 2010
Posts: 826
Total Cats: 68
From: Dallas
Default

Originally Posted by turbofan
We didn't run more timing because it didn't make more power with timing. Do you lose power when you pull timing?
Yes it does, but mostly in the mid range. I will know more after some dyno time.
Old Sep 17, 2017 | 08:20 PM
  #148  
vteckiller2000's Avatar
Thread Starter
Senior Member
iTrader: (4)
 
Joined: May 2010
Posts: 826
Total Cats: 68
From: Dallas
Default

I may be onto something. Today is much cooler than yesterday and I am seeing ~15 degree lower temps. Aside from smoothing out the boost curve, no other changes resulted in this:



Comparison of yesterday to today:



Attached is the log. Feel free to critique my tuning. I am pretty stoked to make 10 psi and 200 tq by 3300 with this big turbo.
Attached Files
File Type: msl
2017-09-17_18.24.40.msl (31.9 KB, 85 views)
Old Sep 17, 2017 | 08:24 PM
  #149  
18psi's Avatar
VladiTuned
iTrader: (76)
 
Joined: Apr 2008
Posts: 35,821
Total Cats: 3,482
Default

that's way better
log looks good too, though I'd update the bcs to hold 100 as long as possible vs 60 to help spool
Old Sep 17, 2017 | 08:27 PM
  #150  
vteckiller2000's Avatar
Thread Starter
Senior Member
iTrader: (4)
 
Joined: May 2010
Posts: 826
Total Cats: 68
From: Dallas
Default

The minutiae between a 300 whp tune and a 350 whp tune is just dumb. At this point I may just need to put more hours in to get to ALLOFIT. Of course the map sensor is already there. I am still on the 2.5 bar. 3 bar sensor and referenced fuel system go in over winter. I am going to rock this setup hard until I win the lottery.
Old Sep 17, 2017 | 09:11 PM
  #151  
miataman04's Avatar
Senior Member
iTrader: (1)
 
Joined: Apr 2011
Posts: 553
Total Cats: 25
From: Jonesboro Arkansas
Default

Those are some pretty lines
Old Sep 18, 2017 | 07:34 AM
  #152  
DNMakinson's Avatar
Elite Member
iTrader: (3)
 
Joined: Jan 2013
Posts: 5,030
Total Cats: 861
From: Seneca, SC
Default

Originally Posted by 18psi
that's way better
log looks good too, though I'd update the bcs to hold 100 as long as possible vs 60 to help spool
bcs? Boost Control Settings? Are you referring to the EBC duty cycle? If so, I also would like to see the difference it makes.

VTK: I wonder how close the curves would be (besides initial spool) if you ticked the correction boxes and added the temperatures, though you did see slightly more boost at the high end as well.

Look like things are getting well sorted out.
Old Sep 18, 2017 | 07:43 AM
  #153  
concealer404's Avatar
Elite Member
iTrader: (3)
 
Joined: Aug 2011
Posts: 10,917
Total Cats: 2,206
Default

Originally Posted by ridethecliche
Meh, he's running a map from someone else on the forum and no one bats an eye lol.

My point was that he has a knock sensor and that he should use it. To log things and see whats going on. Det cans are that much better.

In B4 soth is in talking about how no one should listen to ridetheclit...
He's running a map that he's spent a dozen or two hours of his own time creating... Yeah, i have some inside information, but i'm pretty sure it's fairly clear what's going on here from what he's posted in the thread.

The only timing map thing he's asking about is VVT. You have an NB1. You don't have VVT.
Old Sep 18, 2017 | 08:17 AM
  #154  
ridethecliche's Avatar
Elite Member
iTrader: (2)
 
Joined: Aug 2016
Posts: 3,890
Total Cats: 146
From: New Fucking Jersey
Default

Nice man!
You'd adjusted your timing a bit too right? The new log is on pdexta's timing map?

Concealer, didn't he say he was going to run pdexta's timing map...
See here:

Originally Posted by vteckiller2000
Fairly conservative in mid range, but not so much up top. I am gonna just go for broke and slap in a few more degrees and see what happens. I pulled pdexta's map from his 330 whp dyno day and slammed it in my ms3 minus a degree. We shall see what happens. Gonna go get gas.

Violent meaning it spins rs4's in 3rd.
​​​​​​​
Old Sep 18, 2017 | 08:22 AM
  #155  
concealer404's Avatar
Elite Member
iTrader: (3)
 
Joined: Aug 2011
Posts: 10,917
Total Cats: 2,206
Default

He messed with it. Believe he already determined that he's hitting MBT.
Old Sep 18, 2017 | 08:35 AM
  #156  
ridethecliche's Avatar
Elite Member
iTrader: (2)
 
Joined: Aug 2016
Posts: 3,890
Total Cats: 146
From: New Fucking Jersey
Default

Thanks! That's all I was curious about.
Old Sep 18, 2017 | 02:44 PM
  #157  
vteckiller2000's Avatar
Thread Starter
Senior Member
iTrader: (4)
 
Joined: May 2010
Posts: 826
Total Cats: 68
From: Dallas
Default

I actually added 5 kpa above 6000 rpm to help with torque slump. Otherwise the latter graph actually has a degree less timing. I've hit mbt I think, but I will confirm on the dyno tomorrow.

I've already changed enough of the timing map that it's not really that close to pdexta's anymore. Though i did use it as a starting point.
Old Sep 19, 2017 | 10:39 PM
  #158  
vteckiller2000's Avatar
Thread Starter
Senior Member
iTrader: (4)
 
Joined: May 2010
Posts: 826
Total Cats: 68
From: Dallas
Default

Dynojet happened. I'll post a graph tomorrow when I get the files from the shop. I made 73.85 ft lbs per liter per atmosphere. Super stoked.


Plus it was 90 degrees ambient.
Old Sep 20, 2017 | 12:05 AM
  #159  
vteckiller2000's Avatar
Thread Starter
Senior Member
iTrader: (4)
 
Joined: May 2010
Posts: 826
Total Cats: 68
From: Dallas
Default

An interesting graph I made relating to BMEP:

Old Sep 21, 2017 | 06:06 PM
  #160  
vteckiller2000's Avatar
Thread Starter
Senior Member
iTrader: (4)
 
Joined: May 2010
Posts: 826
Total Cats: 68
From: Dallas
Default

Since the dyno shop is taking their time sending me the files, I'll just share a potato pic.



All times are GMT -4. The time now is 10:45 PM.