Build Threads Building a motor? Post the progress here.

93' Miata stolen and flipped build thread

Thread Tools
 
Search this Thread
 
Old 06-21-2014, 05:24 PM
  #2481  
Elite Member
 
Jeffbucc's Avatar
 
Join Date: Oct 2013
Location: Cedar City, UT
Posts: 2,764
Total Cats: 951
Default

Originally Posted by hornetball
You're alive!! I was wondering.

What is the MS's RPM limiter set to?
Been busy with work and had some slightly weird sleep issues that drained me enough to not having the desire to work on the car.

RPM limiter is set to 7200, and the boost cut is 280kpa.
Jeffbucc is offline  
Old 06-21-2014, 05:46 PM
  #2482  
Cpt. Slow
iTrader: (25)
 
curly's Avatar
 
Join Date: Oct 2005
Location: Oregon City, OR
Posts: 14,178
Total Cats: 1,129
Default

Check/disable launch control. If OP had it enabled, it could be grounded by mistake.
curly is offline  
Old 06-21-2014, 06:04 PM
  #2483  
Newb
 
eduTechnic's Avatar
 
Join Date: Oct 2013
Location: Utah
Posts: 27
Total Cats: 4
Default

...

Last edited by eduTechnic; 06-21-2014 at 10:47 PM. Reason: i r need to 2 lrn2multiquote
eduTechnic is offline  
Old 06-21-2014, 10:46 PM
  #2484  
Newb
 
eduTechnic's Avatar
 
Join Date: Oct 2013
Location: Utah
Posts: 27
Total Cats: 4
Default

Originally Posted by Braineack
Pcvs don't just fail.
Originally Posted by Braineack
Because catch cans are silly if you don't know what youre doing or have a real reason to run one...
This is not so helpful for a dude trying to learn from scratch.

If he hadn't run a catch can he would have dumped loads of oil right into the cylinders and possibly hydrolocked the engine. So really, the catch can was worth it's weight in gold. Turns out, the PO had lines run a certain way and Jeff simply didn't know how to run the valve cover-to-catch can-to intake lines (no pcv, block vent etc). I'd also recommend a smoke test at this point for boost and vacuum leaks. Glad you got ride of the oil/smoke problem and can continue making sure things are all setup correctly. I would venture your TS settings are pretty good since you didn't make huge changes from PO's setup. Make sure the boost controller-to-wastegate vacuum line are plumbed to the right port on the waste gate.

Keep the criticism to something objective and helpful, not snarky and useless.
eduTechnic is offline  
Old 06-21-2014, 10:52 PM
  #2485  
Elite Member
iTrader: (37)
 
EO2K's Avatar
 
Join Date: Apr 2010
Location: Very NorCal
Posts: 10,441
Total Cats: 1,899
Default

Well, I'm glad that got sorted.

Any chance you can get a log of it "hitting the wall" as it were? Post it up and lets see if we catch something you missed.

Originally Posted by eduTechnic
Keep the criticism to something objective and helpful, not snarky and useless.
I sense you are new here
EO2K is offline  
Old 06-21-2014, 11:26 PM
  #2486  
Cpt. Slow
iTrader: (25)
 
curly's Avatar
 
Join Date: Oct 2005
Location: Oregon City, OR
Posts: 14,178
Total Cats: 1,129
Default

Originally Posted by eduTechnic
Keep the criticism to something objective and helpful, not snarky and useless.
Def, Snarky: sarcastic, impertinent, or irreverent in tone or manner <snarky lyrics>. See, Braineack.
curly is offline  
Old 06-22-2014, 12:26 AM
  #2487  
Elite Member
 
Jeffbucc's Avatar
 
Join Date: Oct 2013
Location: Cedar City, UT
Posts: 2,764
Total Cats: 951
Default

Originally Posted by curly
Def, Snarky: sarcastic, impertinent, or irreverent in tone or manner <snarky lyrics>. See, Braineack.
Ask the question thrice and you may get an answer!

Attached Thumbnails 93' Miata stolen and flipped build thread-knowledge-tim-enchanter-monty-python-demotivational-posters-1292343711.jpg  
Jeffbucc is offline  
Old 06-22-2014, 12:48 AM
  #2488  
VladiTuned
iTrader: (76)
 
18psi's Avatar
 
Join Date: Apr 2008
Posts: 35,821
Total Cats: 3,481
Default



In for 25psi vids of glory
18psi is offline  
Old 06-22-2014, 10:22 AM
  #2489  
Elite Member
iTrader: (5)
 
BTMiata's Avatar
 
Join Date: Aug 2011
Location: South Jersey
Posts: 1,512
Total Cats: 30
Default

I agree with turning off launch control.... My MS did the same exact thing and that is what solved the issue for me.
BTMiata is offline  
Old 06-22-2014, 10:24 AM
  #2490  
Elite Member
 
Jeffbucc's Avatar
 
Join Date: Oct 2013
Location: Cedar City, UT
Posts: 2,764
Total Cats: 951
Default

Originally Posted by BTMiata
I agree with turning off launch control.... My MS did the same exact thing and that is what solved the issue for me.
No launch control active. Maybe spark plug blowout? Gapped at .40 at the moment. Maybe .20?
Jeffbucc is offline  
Old 06-22-2014, 06:36 PM
  #2491  
Senior Member
iTrader: (4)
 
vteckiller2000's Avatar
 
Join Date: May 2010
Location: Dallas
Posts: 824
Total Cats: 64
Default

Originally Posted by Jeffbucc
No launch control active. Maybe spark plug blowout? Gapped at .40 at the moment. Maybe .20?
Try .028"

If it is rich enough you may also be getting into a rich misfire. My Volvo does it but it is in the 9's AFR when it happens. Surely you would notice it on the wideband.
vteckiller2000 is offline  
Old 06-22-2014, 07:26 PM
  #2492  
Boost Czar
iTrader: (62)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 79,493
Total Cats: 4,080
Default

Originally Posted by eduTechnic

This is not so helpful for a dude trying to learn from scratch.

If he hadn't run a catch can he would have dumped loads of oil right into the cylinders and possibly hydrolocked the engine. So really, the catch can was worth it's weight in gold. Turns out, the PO had lines run a certain way and Jeff simply didn't know how to run the valve cover-to-catch can-to intake lines (no pcv, block vent etc). I'd also recommend a smoke test at this point for boost and vacuum leaks. Glad you got ride of the oil/smoke problem and can continue making sure things are all setup correctly. I would venture your TS settings are pretty good since you didn't make huge changes from PO's setup. Make sure the boost controller-to-wastegate vacuum line are plumbed to the right port on the waste gate.

Keep the criticism to something objective and helpful, not snarky and useless.
The oil was due to the catch can plumbing.
Braineack is offline  
Old 06-22-2014, 07:28 PM
  #2493  
Boost Czar
iTrader: (62)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 79,493
Total Cats: 4,080
Default

If stock coils then yes. You'll get blow out above 10psi or so. So gap down to .030 or upgrade to cops. If you already have cops, which I think you do, then that's not the issue.
Braineack is offline  
Old 06-22-2014, 11:58 PM
  #2494  
Elite Member
 
Jeffbucc's Avatar
 
Join Date: Oct 2013
Location: Cedar City, UT
Posts: 2,764
Total Cats: 951
Default

Originally Posted by Braineack
If stock coils then yes. You'll get blow out above 10psi or so. So gap down to .030 or upgrade to cops. If you already have cops, which I think you do, then that's not the issue.
Yup, COP is on the car. I'll adjust the gap when I clean up the plugs a little.

I think I was getting some fouling.....

Time to break out the wire brush.

Attached Thumbnails 93' Miata stolen and flipped build thread-img_2797.jpg  
Jeffbucc is offline  
Old 06-23-2014, 12:07 AM
  #2495  
Senior Member
iTrader: (4)
 
vteckiller2000's Avatar
 
Join Date: May 2010
Location: Dallas
Posts: 824
Total Cats: 64
Default

Your spark settings and dwell, what are they?
vteckiller2000 is offline  
Old 06-23-2014, 12:09 AM
  #2496  
Elite Member
 
Jeffbucc's Avatar
 
Join Date: Oct 2013
Location: Cedar City, UT
Posts: 2,764
Total Cats: 951
Default

Spark plug gap is .40. I believe off the top of my head my dwell is 2.2.
Jeffbucc is offline  
Old 06-23-2014, 12:14 AM
  #2497  
Elite Member
 
Jeffbucc's Avatar
 
Join Date: Oct 2013
Location: Cedar City, UT
Posts: 2,764
Total Cats: 951
Default

Woops sorry you wanted the TS settings?

Attached Thumbnails 93' Miata stolen and flipped build thread-parallelspicture7.jpg  
Jeffbucc is offline  
Old 06-23-2014, 12:08 PM
  #2498  
Senior Member
iTrader: (2)
 
ScottyP3821's Avatar
 
Join Date: Jun 2012
Location: Texas
Posts: 1,153
Total Cats: 50
Default

Number of Coils should stay wasted spark
edit also cranking dwell should be 3.5 and set your Nominal Dwell to 2.1 and while the car is running adjust your dwell correction curve
ScottyP3821 is offline  
Old 06-23-2014, 12:18 PM
  #2499  
Boost Czar
iTrader: (62)
 
Braineack's Avatar
 
Join Date: May 2005
Location: Chantilly, VA
Posts: 79,493
Total Cats: 4,080
Default

Originally Posted by ScottyP3821
Number of Coils should stay wasted spark
edit also cranking dwell should be 3.5 and set your Nominal Dwell to 2.1 and while the car is running adjust your dwell correction curve
why? didnt he wire for seq. spark?

With toyota COPs you can gap to .045"
Braineack is offline  
Old 06-23-2014, 12:23 PM
  #2500  
Elite Member
 
Jeffbucc's Avatar
 
Join Date: Oct 2013
Location: Cedar City, UT
Posts: 2,764
Total Cats: 951
Default

So I shouldn't adjust the gap to be more narrow with sequential Toyota COP?
Jeffbucc is offline  


Quick Reply: 93' Miata stolen and flipped build thread



All times are GMT -4. The time now is 06:49 AM.