Duramax Diesels Forum Truck of the Week
  #1  
Old 03-24-2018, 05:32 PM
Deny Deny is offline
FNG
 
Join Date: Oct 2016
Posts: 23
Default turbo on lly

hi guys can anyone tell me what i can do to get an lly to spool up at lower rpm seems i have to be around 2200 before it gets going. What would you guys recomend with a stock turbo??? Thanks Denis
Reply With Quote
  #2  
Old 03-24-2018, 05:40 PM
torqued2dmax's Avatar
torqued2dmax torqued2dmax is offline
Hotrodder
 
Join Date: Mar 2017
Location: Brookville, PA
Posts: 481
Default

What are your mods , miles , torque converter , turbo mouth piece ,tuner ,tire size, cat still in place , please help us help you !
__________________
05 CC/LB DRW LLY Allison
AFE Blade Runner,AFE Momentum CAI,DHD Big Air intake Y pipe, DHD fuel block,DHD pcv reroute,MBRP 4 inch exhaust,DHD 3 inch downpipe,BD driver's side manifold,DHD pass side up pipe,DHD 3 inch intercooler hot&cold pipes, ATI damper,Empire pin kit by Big Foot on & off road shop, FASS fuel system,5/8 inch pickup, FASS fuel filter delete, EFI live,V2 & lap top , 5 position switch 250 hp big tune, shimmed fprv by Crank it up , built SunCoast Allison 1078 converter aftermarket trany mount by Limitless Diesel,ARP head studs,grade C gaskets,tig-welded water pump,T stats by Blackout performance,MA t case brace , Kriptonite motor mounts,MA pump rub kit,HD drive shaft 1480joints by Greensburg machine,BDS Recoil traction bars, PPE finned deep pan , Mike L trany cooler, PSC pump, 5100s, Sulastic Shackles, Curt com 2.5 hitch
Reply With Quote
  #3  
Old 03-24-2018, 05:41 PM
Dozerboy's Avatar
Dozerboy Dozerboy is offline
Hotrodder
 
Join Date: Jun 2009
Location: TX of course
Posts: 3,822

Default

What do you mean by spool? How much boost is it making at 2200rpms?

Sent from my SAMSUNG-SM-G900A using Tapatalk
__________________

06 GMC 2500 CCSB SLT LBZ 4X4





These views expressed on this post are not my own, but rather randomly generated computer gibberish, and in no way should be used to judge the author's IQ or mental health.
Reply With Quote
  #4  
Old 03-25-2018, 05:33 PM
Deny Deny is offline
FNG
 
Join Date: Oct 2016
Posts: 23
Default

Yes sorry guys should have given more info. It has up pipes down pipe 5 inch exhaust egr delete, lbz air horn, it has a tune in it but dont know what it is. was bought as a wright off. it has a dsp 5 position switch. After fixing it i then put it on the road,the reason i am asking is that when you get on it of the line it only comes alive at about 20 mph and then goes pretty good. i only get about 23 lbs of boost. I did check for leaks and all is good also checked stock turbo variabelle vane and they seem to fuction fine. The rest of the truck is stock. oh the rail has a race plug in it.
Reply With Quote
  #5  
Old 03-25-2018, 05:58 PM
torqued2dmax's Avatar
torqued2dmax torqued2dmax is offline
Hotrodder
 
Join Date: Mar 2017
Location: Brookville, PA
Posts: 481
Default

Do you know if the transmission has been built and if so what converter ?
__________________
05 CC/LB DRW LLY Allison
AFE Blade Runner,AFE Momentum CAI,DHD Big Air intake Y pipe, DHD fuel block,DHD pcv reroute,MBRP 4 inch exhaust,DHD 3 inch downpipe,BD driver's side manifold,DHD pass side up pipe,DHD 3 inch intercooler hot&cold pipes, ATI damper,Empire pin kit by Big Foot on & off road shop, FASS fuel system,5/8 inch pickup, FASS fuel filter delete, EFI live,V2 & lap top , 5 position switch 250 hp big tune, shimmed fprv by Crank it up , built SunCoast Allison 1078 converter aftermarket trany mount by Limitless Diesel,ARP head studs,grade C gaskets,tig-welded water pump,T stats by Blackout performance,MA t case brace , Kriptonite motor mounts,MA pump rub kit,HD drive shaft 1480joints by Greensburg machine,BDS Recoil traction bars, PPE finned deep pan , Mike L trany cooler, PSC pump, 5100s, Sulastic Shackles, Curt com 2.5 hitch
Reply With Quote
  #6  
Old 03-25-2018, 06:22 PM
torqued2dmax's Avatar
torqued2dmax torqued2dmax is offline
Hotrodder
 
Join Date: Mar 2017
Location: Brookville, PA
Posts: 481
Default

Do RPMs seem to come on as quick as they should ? How many miles on eng ? What size tires ? Since the up pipes have been changed are you sure you checked them good for leaks ? Are the EFI switch wires connected and is there a change in performance when the switch is turned ? Do you have a V2 ?
__________________
05 CC/LB DRW LLY Allison
AFE Blade Runner,AFE Momentum CAI,DHD Big Air intake Y pipe, DHD fuel block,DHD pcv reroute,MBRP 4 inch exhaust,DHD 3 inch downpipe,BD driver's side manifold,DHD pass side up pipe,DHD 3 inch intercooler hot&cold pipes, ATI damper,Empire pin kit by Big Foot on & off road shop, FASS fuel system,5/8 inch pickup, FASS fuel filter delete, EFI live,V2 & lap top , 5 position switch 250 hp big tune, shimmed fprv by Crank it up , built SunCoast Allison 1078 converter aftermarket trany mount by Limitless Diesel,ARP head studs,grade C gaskets,tig-welded water pump,T stats by Blackout performance,MA t case brace , Kriptonite motor mounts,MA pump rub kit,HD drive shaft 1480joints by Greensburg machine,BDS Recoil traction bars, PPE finned deep pan , Mike L trany cooler, PSC pump, 5100s, Sulastic Shackles, Curt com 2.5 hitch
Reply With Quote
  #7  
Old 03-25-2018, 08:56 PM
830king's Avatar
830king 830king is online now
Hotrodder
 
Join Date: Oct 2013
Location: Central MN
Posts: 190
Default

Quote:
Originally Posted by Deny View Post
Yes sorry guys should have given more info. It has up pipes down pipe 5 inch exhaust egr delete, lbz air horn, it has a tune in it but dont know what it is. was bought as a wright off. it has a dsp 5 position switch. After fixing it i then put it on the road,the reason i am asking is that when you get on it of the line it only comes alive at about 20 mph and then goes pretty good. i only get about 23 lbs of boost. I did check for leaks and all is good also checked stock turbo variabelle vane and they seem to fuction fine. The rest of the truck is stock. oh the rail has a race plug in it.
How are you reading boost numbers? If your reading it on a edge cts you will never see more than 23psi.

Sent from my SM-G930V using Tapatalk
__________________
2005 2500hd ccsb 4x4 automatic, atp trans safe tuning, cts insight with egt probe, arp head studs, welded water pump, lml drivers side exhaust manifold, manga flow down pipe, silver line 5" exhaust, s&b cai, s&b turbo mouthpiece, fass titanium 150, beans sump, profab egr delete, MA pump rub plate, alligator trans lines, Kryptonite ss centerlink/tie rods, Kryptonite lower ball joints, Kryptonite sway bar end links, rare parts idler and pitman arms, dhd steering brace, 285/75r16 duratracs on stock py0's, b&w turnover gooseneck rancho 9000 shocks
Reply With Quote
  #8  
Old 03-26-2018, 07:22 PM
Deny Deny is offline
FNG
 
Join Date: Oct 2016
Posts: 23
Default

Quote:
Originally Posted by torqued2dmax View Post
Do RPMs seem to come on as quick as they should ? How many miles on eng ? What size tires ? Since the up pipes have been changed are you sure you checked them good for leaks ? Are the EFI switch wires connected and is there a change in performance when the switch is turned ? Do you have a V2 ?
rpm might be a bit slow, engine has 160,000,tiers are275 65 17. no leaks on up pipes, efi wiered and working. no v2, only edge cts
Reply With Quote
  #9  
Old 03-26-2018, 07:24 PM
Deny Deny is offline
FNG
 
Join Date: Oct 2016
Posts: 23
Default

Quote:
Originally Posted by torqued2dmax View Post
Do you know if the transmission has been built and if so what converter ?
all stock as i said when i hit about 20 then the tires will break lose for a bit
Reply With Quote
  #10  
Old 03-26-2018, 07:25 PM
Deny Deny is offline
FNG
 
Join Date: Oct 2016
Posts: 23
Default

Quote:
Originally Posted by 830king View Post
How are you reading boost numbers? If your reading it on a edge cts you will never see more than 23psi.

Sent from my SM-G930V using Tapatalk
yes i have been reading of the edge cts
Reply With Quote
  #11  
Old 03-26-2018, 08:10 PM
zakkb787's Avatar
zakkb787 zakkb787 is offline
<thatís not me...
 
Join Date: Sep 2014
Location: Granite Falls NC
Posts: 1,553

Default

23 is what the factory sensor maxes at so you’re most likely making more just need a modded sensor or a mechanical gauge. LLY’s are known to be kinda laggy in stock form. Also depends on your tuning. Careful with that trans. You’ll be replacing it soon.
__________________
2006 LLY CC/SB LT3 mostly stock

Other toys:
1982 K10 6.2 Detroit diesel/sm465/np205 with 4 inch lift and 35s. Fixed and driving again
2011 Yamaha YFZ450X
2003 Yamaha YZ250
2003 Kawasaki Z1000
Reply With Quote
  #12  
Old 03-27-2018, 05:28 AM
Dozerboy's Avatar
Dozerboy Dozerboy is offline
Hotrodder
 
Join Date: Jun 2009
Location: TX of course
Posts: 3,822

Default

Quote:
Originally Posted by Deny View Post
all stock as i said when i hit about 20 then the tires will break lose for a bit


If you are breaking the tires lose at 20mph you donít have a lag problem.


Sent from my iPhone using Tapatalk
__________________

06 GMC 2500 CCSB SLT LBZ 4X4





These views expressed on this post are not my own, but rather randomly generated computer gibberish, and in no way should be used to judge the author's IQ or mental health.
Reply With Quote
  #13  
Old 03-27-2018, 12:12 PM
torqued2dmax's Avatar
torqued2dmax torqued2dmax is offline
Hotrodder
 
Join Date: Mar 2017
Location: Brookville, PA
Posts: 481
Default

And dont forget , low RPM torque is what brakes things ! That is why there are some on this site that are keeping stock bottom ends alive at 700+ HP , because they keep the RPMs up all the time they are on it ! When you get that tranny build get a converter that will address that better ! Good luck and build some RPMs first to save the eng !
__________________
05 CC/LB DRW LLY Allison
AFE Blade Runner,AFE Momentum CAI,DHD Big Air intake Y pipe, DHD fuel block,DHD pcv reroute,MBRP 4 inch exhaust,DHD 3 inch downpipe,BD driver's side manifold,DHD pass side up pipe,DHD 3 inch intercooler hot&cold pipes, ATI damper,Empire pin kit by Big Foot on & off road shop, FASS fuel system,5/8 inch pickup, FASS fuel filter delete, EFI live,V2 & lap top , 5 position switch 250 hp big tune, shimmed fprv by Crank it up , built SunCoast Allison 1078 converter aftermarket trany mount by Limitless Diesel,ARP head studs,grade C gaskets,tig-welded water pump,T stats by Blackout performance,MA t case brace , Kriptonite motor mounts,MA pump rub kit,HD drive shaft 1480joints by Greensburg machine,BDS Recoil traction bars, PPE finned deep pan , Mike L trany cooler, PSC pump, 5100s, Sulastic Shackles, Curt com 2.5 hitch
Reply With Quote
  #14  
Old 04-03-2018, 07:26 PM
Deny Deny is offline
FNG
 
Join Date: Oct 2016
Posts: 23
Default

torqued2dmax hi could you elaborate on what and how to make more rpm i dont get that thanks
Reply With Quote
  #15  
Old 04-03-2018, 08:28 PM
joshd472's Avatar
joshd472 joshd472 is offline
Hotrodder
 
Join Date: Oct 2016
Posts: 254
Default

Imagine trying to break loose a stubborn bolt and you can’t. Grab a long cheater pipe and boom. The bolt is your engine, when you have high boost/tq at low rpm, turbos are essentially cheater pipes for engines.
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 11:51 AM.


Powered by vBulletin® Version 3.8.9
Copyright ©2000 - 2018, vBulletin Solutions, Inc.
vB.Sponsors