Duramax Diesels Forum Truck of the Week
  #16  
Old 06-13-2017, 11:33 AM
catman3126's Avatar
catman3126 catman3126 is offline
Ehhh?.... You don't say?
 
Join Date: Jul 2012
Location: NE Oregon
Posts: 2,602

Default

Yeah I should get a 2nd 10MM to run on the belt. so far its holding rail with a 10MM and a stock lly pump and one fass 260.
__________________
2005 2500HD dmax, CCSB, 4" exhaust, Built motor with Carillo's .020 over 16:5.1 piston with .075 reliefs, Socal 6480 alt fire cam, ported LBZ head's, Exergy 10MM pump Stock lly cp3 on the belt, 400% LBZ injectors, S471/87 compounded with a GT5541R 106MM Fleece billet charger Werhli fab S400 install kit with bridge and piping, Merchant Auto Billet push tubes, Socal Valve springs, Socal valve covers, Socal flex plate, Mishimoto black intercooler, DSP5, Air dog 165,

1986 K10 short bed LQ4/4L80E

1984 CJ7 Powered by a 2000' LS1 5.7L



2015 LTZ Z71 LML, CCLB 3500HD.
Reply With Quote
  #17  
Old 06-13-2017, 11:43 AM
IOWA LLY's Avatar
IOWA LLY IOWA LLY is online now
Yes, its really me
 
Join Date: Feb 2007
Posts: 2,052
Default

Quote:
Originally Posted by 04jimc View Post
Problem we ran into last year. Fast forward to 3:30. https://youtu.be/kimmhrgILdg
Had switched to 2 10mm pumps, so unlimited rail psi available. Only way I was able to get it to quit was to limit rail pressure, just to finish out the season.. Almost like they were being forced shut.

So I bought a 2400 bar sensor and went engine dynoing and was able to see when it did it. Maybe not all injectors will do it but ours sure do and it's a real conundrum when u can't figure it out.

Back in the day with two stock pumps and stock injectors with big nozzles, I'd just run regulators wide open. Let it make all the rp it could. The sensor would​stay pegged at 26107 the entire​ run. Who knows what it was able to make.

Sent from my XT1585 using Tapatalk


Who's injectors? LB7 I assume?


Sent from my iPhone using Tapatalk Pro
__________________
2003 GMC CCSB LLY
Built by me, tuned by me.

2009 ECI Diesel Truck Points Champion
2010 ECI Diesel Truck Points Champion
2011 ECI Diesel Truck Points Champion
2012 ECI Diesel Truck Points Champion

Big thanks to everyone who helps me.

Best 1/8th, 7.29, 98.6MPH (Street tires, fuel only, single Journal bearing GT42 charger) (2010)

Best 1/8th, 6.93, 104.24MPH (Street tires, fuel only, single HX60 turbo) (2016)

Best 1/8th, 6.60, 106.6MPH (Street tires, fuel only, single HX60 turbo) (2017)
Reply With Quote
  #18  
Old 06-13-2017, 11:46 AM
04jimc's Avatar
04jimc 04jimc is offline
Oughta Know Better
 
Join Date: Apr 2011
Location: Western PA
Posts: 1,642

Default

Quote:
Originally Posted by IOWA LLY View Post
Who's injectors? LB7 I assume?


Sent from my iPhone using Tapatalk Pro
LLY. S&S 4600's

Sent from my XT1585 using Tapatalk
__________________
Isaac Griffith
03 Chev CC SB ZF6-Gone
04 GMC CC SB SLT LLY
597/1096 Batmostocker-Gone

06 GMC CC DRW-Gone
08 GMC CC DRW-Gone
Current Tow Rig-12 Ram 4500 Crew


'Oughta K
now Better'- PPL Lim Pro Stock 05 3500 Crew Cab 158" WB 2014 PPP 2.6 Champions
Thanks to Blackout Performance

Reply With Quote
  #19  
Old 06-13-2017, 12:07 PM
IOWA LLY's Avatar
IOWA LLY IOWA LLY is online now
Yes, its really me
 
Join Date: Feb 2007
Posts: 2,052
Default

Quote:
Originally Posted by 04jimc View Post
LLY. S&S 4600's

Sent from my XT1585 using Tapatalk


Have you asked them about it?


Sent from my iPhone using Tapatalk Pro
__________________
2003 GMC CCSB LLY
Built by me, tuned by me.

2009 ECI Diesel Truck Points Champion
2010 ECI Diesel Truck Points Champion
2011 ECI Diesel Truck Points Champion
2012 ECI Diesel Truck Points Champion

Big thanks to everyone who helps me.

Best 1/8th, 7.29, 98.6MPH (Street tires, fuel only, single Journal bearing GT42 charger) (2010)

Best 1/8th, 6.93, 104.24MPH (Street tires, fuel only, single HX60 turbo) (2016)

Best 1/8th, 6.60, 106.6MPH (Street tires, fuel only, single HX60 turbo) (2017)
Reply With Quote
  #20  
Old 06-13-2017, 12:13 PM
04jimc's Avatar
04jimc 04jimc is offline
Oughta Know Better
 
Join Date: Apr 2011
Location: Western PA
Posts: 1,642

Default

Quote:
Originally Posted by IOWA LLY View Post
Have you asked them about it?


Sent from my iPhone using Tapatalk Pro
Yea, Andrew thought it might be an operating system problem but had admitted to having no solid answers due to having no experience with oem ecms. Never really asked what max pressure he suggests, prob a tuning secret being he tunes most of the top puller's bosch Motorsport standalone setups.

Sent from my XT1585 using Tapatalk
__________________
Isaac Griffith
03 Chev CC SB ZF6-Gone
04 GMC CC SB SLT LLY
597/1096 Batmostocker-Gone

06 GMC CC DRW-Gone
08 GMC CC DRW-Gone
Current Tow Rig-12 Ram 4500 Crew


'Oughta K
now Better'- PPL Lim Pro Stock 05 3500 Crew Cab 158" WB 2014 PPP 2.6 Champions
Thanks to Blackout Performance

Reply With Quote
  #21  
Old 06-13-2017, 12:17 PM
juddski88's Avatar
juddski88 juddski88 is offline
Freedom Diesel
 
Join Date: Jul 2008
Location: Chesterfield, Mass.
Posts: 4,106

Default

When you say the injectors "shut off", do you mean you saw a spike in rail pressure from the fuel having nowhere to go, or were you seeing a sudden drop in rail pressure after 28,000 psi?
__________________
2001 Chevy 2500HD ECSB
"Sore Subject" - Still don't have time for it.
I would never have learned what I have without George Alexander, Mike Lovrich, David Browning, Matt Handwork, Ben Tyler, Evan Drosehn and countless members of this forum and others.
Thank you.

2014 Jeep Grand Cherokee Limited, Ecodiesel
Reply With Quote
  #22  
Old 06-13-2017, 12:26 PM
04jimc's Avatar
04jimc 04jimc is offline
Oughta Know Better
 
Join Date: Apr 2011
Location: Western PA
Posts: 1,642

Default

No drop in rail at all, just engine shuts down. Which, with the stock sensor years prior, we had no idea what it even was at.

Sent from my XT1585 using Tapatalk
__________________
Isaac Griffith
03 Chev CC SB ZF6-Gone
04 GMC CC SB SLT LLY
597/1096 Batmostocker-Gone

06 GMC CC DRW-Gone
08 GMC CC DRW-Gone
Current Tow Rig-12 Ram 4500 Crew


'Oughta K
now Better'- PPL Lim Pro Stock 05 3500 Crew Cab 158" WB 2014 PPP 2.6 Champions
Thanks to Blackout Performance

Reply With Quote
  #23  
Old 06-13-2017, 01:32 PM
juddski88's Avatar
juddski88 juddski88 is offline
Freedom Diesel
 
Join Date: Jul 2008
Location: Chesterfield, Mass.
Posts: 4,106

Default

oh, the way I read your previous statement was that it was the injectors' not being able to take 28k+ psi for some reason....yea, scaling the sensor out and building in a buffer in the tune will prevent what you had too.
__________________
2001 Chevy 2500HD ECSB
"Sore Subject" - Still don't have time for it.
I would never have learned what I have without George Alexander, Mike Lovrich, David Browning, Matt Handwork, Ben Tyler, Evan Drosehn and countless members of this forum and others.
Thank you.

2014 Jeep Grand Cherokee Limited, Ecodiesel
Reply With Quote
  #24  
Old 06-13-2017, 03:42 PM
IOWA LLY's Avatar
IOWA LLY IOWA LLY is online now
Yes, its really me
 
Join Date: Feb 2007
Posts: 2,052
Default

Quote:
Originally Posted by 04jimc View Post
No drop in rail at all, just engine shuts down. Which, with the stock sensor years prior, we had no idea what it even was at.

Sent from my XT1585 using Tapatalk


I ran 240 mpa for 2 years sled pulling with an LLY and never experienced what your describing. Yes I had a sensor that would read that high. I wonder what the deal is?


Sent from my iPhone using Tapatalk Pro
__________________
2003 GMC CCSB LLY
Built by me, tuned by me.

2009 ECI Diesel Truck Points Champion
2010 ECI Diesel Truck Points Champion
2011 ECI Diesel Truck Points Champion
2012 ECI Diesel Truck Points Champion

Big thanks to everyone who helps me.

Best 1/8th, 7.29, 98.6MPH (Street tires, fuel only, single Journal bearing GT42 charger) (2010)

Best 1/8th, 6.93, 104.24MPH (Street tires, fuel only, single HX60 turbo) (2016)

Best 1/8th, 6.60, 106.6MPH (Street tires, fuel only, single HX60 turbo) (2017)
Reply With Quote
  #25  
Old 06-13-2017, 04:32 PM
catman3126's Avatar
catman3126 catman3126 is offline
Ehhh?.... You don't say?
 
Join Date: Jul 2012
Location: NE Oregon
Posts: 2,602

Default

Quote:
Originally Posted by IOWA LLY View Post
I ran 240 mpa for 2 years sled pulling with an LLY and never experienced what your describing. Yes I had a sensor that would read that high. I wonder what the deal is?


Sent from my iPhone using Tapatalk Pro

What did you see for gains say over 180MPa? and did it actual hit and maintain that high? what did you run for CP3 pumps? and what size injectors?
__________________
2005 2500HD dmax, CCSB, 4" exhaust, Built motor with Carillo's .020 over 16:5.1 piston with .075 reliefs, Socal 6480 alt fire cam, ported LBZ head's, Exergy 10MM pump Stock lly cp3 on the belt, 400% LBZ injectors, S471/87 compounded with a GT5541R 106MM Fleece billet charger Werhli fab S400 install kit with bridge and piping, Merchant Auto Billet push tubes, Socal Valve springs, Socal valve covers, Socal flex plate, Mishimoto black intercooler, DSP5, Air dog 165,

1986 K10 short bed LQ4/4L80E

1984 CJ7 Powered by a 2000' LS1 5.7L



2015 LTZ Z71 LML, CCLB 3500HD.
Reply With Quote
  #26  
Old 06-13-2017, 04:47 PM
IOWA LLY's Avatar
IOWA LLY IOWA LLY is online now
Yes, its really me
 
Join Date: Feb 2007
Posts: 2,052
Default

Quote:
Originally Posted by catman3126 View Post
What did you see for gains say over 180MPa? and did it actual hit and maintain that high? what did you run for CP3 pumps? and what size injectors?


As I increased rail pressure everything seemed to gain. Of course this was on the track not the dyno so I can't completely accurately answer your question. But up to 240 mpa I gained rpm at mid track, gained drive and boost pressure, and continued to put bigger and bigger gaps between me and 2nd place.

Back then I was just running 2 Stock CP3 pumps with old school arson kits. I can't answer the injector question because I was running something "custom" from TTS. I was told they were around 300% over Stock. But I wouldn't swear to anything.

Desired was 240 mpa when I quit increasing it, actual rail would vary from 230-240 down the track. I was running the pulse as high as I could to maintain 230+.


Sent from my iPhone using Tapatalk Pro
__________________
2003 GMC CCSB LLY
Built by me, tuned by me.

2009 ECI Diesel Truck Points Champion
2010 ECI Diesel Truck Points Champion
2011 ECI Diesel Truck Points Champion
2012 ECI Diesel Truck Points Champion

Big thanks to everyone who helps me.

Best 1/8th, 7.29, 98.6MPH (Street tires, fuel only, single Journal bearing GT42 charger) (2010)

Best 1/8th, 6.93, 104.24MPH (Street tires, fuel only, single HX60 turbo) (2016)

Best 1/8th, 6.60, 106.6MPH (Street tires, fuel only, single HX60 turbo) (2017)
Reply With Quote
  #27  
Old 06-13-2017, 05:02 PM
04jimc's Avatar
04jimc 04jimc is offline
Oughta Know Better
 
Join Date: Apr 2011
Location: Western PA
Posts: 1,642

Default

I would have to believe that we were running higher than 28xxx when using stock -bodied 200% injectors. Just didn't have a big enough sensor at the time

Sent from my XT1585 using Tapatalk
__________________
Isaac Griffith
03 Chev CC SB ZF6-Gone
04 GMC CC SB SLT LLY
597/1096 Batmostocker-Gone

06 GMC CC DRW-Gone
08 GMC CC DRW-Gone
Current Tow Rig-12 Ram 4500 Crew


'Oughta K
now Better'- PPL Lim Pro Stock 05 3500 Crew Cab 158" WB 2014 PPP 2.6 Champions
Thanks to Blackout Performance

Reply With Quote
  #28  
Old 06-13-2017, 05:15 PM
04jimc's Avatar
04jimc 04jimc is offline
Oughta Know Better
 
Join Date: Apr 2011
Location: Western PA
Posts: 1,642

Default

Another time it shut down. 6:17. https://youtu.be/qOUbiNJPG-U

Sent from my XT1585 using Tapatalk
__________________
Isaac Griffith
03 Chev CC SB ZF6-Gone
04 GMC CC SB SLT LLY
597/1096 Batmostocker-Gone

06 GMC CC DRW-Gone
08 GMC CC DRW-Gone
Current Tow Rig-12 Ram 4500 Crew


'Oughta K
now Better'- PPL Lim Pro Stock 05 3500 Crew Cab 158" WB 2014 PPP 2.6 Champions
Thanks to Blackout Performance

Reply With Quote
  #29  
Old 06-13-2017, 05:33 PM
04jimc's Avatar
04jimc 04jimc is offline
Oughta Know Better
 
Join Date: Apr 2011
Location: Western PA
Posts: 1,642

Default

And last one @ 6:50. https://youtu.be/iKofgbmXJsM

Sent from my XT1585 using Tapatalk
__________________
Isaac Griffith
03 Chev CC SB ZF6-Gone
04 GMC CC SB SLT LLY
597/1096 Batmostocker-Gone

06 GMC CC DRW-Gone
08 GMC CC DRW-Gone
Current Tow Rig-12 Ram 4500 Crew


'Oughta K
now Better'- PPL Lim Pro Stock 05 3500 Crew Cab 158" WB 2014 PPP 2.6 Champions
Thanks to Blackout Performance

Reply With Quote
  #30  
Old 06-13-2017, 06:42 PM
IOWA LLY's Avatar
IOWA LLY IOWA LLY is online now
Yes, its really me
 
Join Date: Feb 2007
Posts: 2,052
Default

I'll bet it has to do with the red man mod. I'll bet if they were honest with you they'd tell you why it happens. I highly doubt they aren't aware of the issue.


Sent from my iPhone using Tapatalk Pro
__________________
2003 GMC CCSB LLY
Built by me, tuned by me.

2009 ECI Diesel Truck Points Champion
2010 ECI Diesel Truck Points Champion
2011 ECI Diesel Truck Points Champion
2012 ECI Diesel Truck Points Champion

Big thanks to everyone who helps me.

Best 1/8th, 7.29, 98.6MPH (Street tires, fuel only, single Journal bearing GT42 charger) (2010)

Best 1/8th, 6.93, 104.24MPH (Street tires, fuel only, single HX60 turbo) (2016)

Best 1/8th, 6.60, 106.6MPH (Street tires, fuel only, single HX60 turbo) (2017)
Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -7. The time now is 08:17 AM.


Powered by vBulletin® Version 3.8.9
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
vB.Sponsors