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09-11-2017, 10:30 PM
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#21
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Name: Jballou
Title: FNG
Status: Not Here
Join Date: Feb 2012
Member`s Gallery
Posts: 28
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How did you find the problem? Remove the head?
__________________
04, 4x4 short bed 4 door, 48re with 3 disc DPC, billet input, intermediate. HPt by Firepunk. Exergy BMS 50hp
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09-12-2017, 06:25 AM
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#22
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Name: dummins
Title: Another moron
Status: Not Here
Join Date: Jan 2012
Location: Beaver Lake
Member`s Gallery
Posts: 262
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I pulled the head. I have studs, valve springs, and push rods for the truck so I figured what the hell, I'll find out one way or the other what the problem is.
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09-12-2017, 06:56 AM
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#23
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Name: SPEEDSHIFT
Title: Too Much Time
Status: Not Here
Join Date: Jan 2007
Location: San Antonio, TX
Member`s Gallery
Posts: 5,978
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Quote:
Originally Posted by dummins
Found the miss. Appears to have dropped a valve seat on #5. lol it's always something thanks for the help. I don't know how to post pictures but it's pretty funny.
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So how was the lash good if it has a dropped seat?
Glad you found it though, its always a relief when you find out what the problem actually is. Now just find yourself an 06+ head to rebuild, they have better seats.
__________________
@bodie_armstrong
2003 2500 4x4 auto FOR SALE
2005 2500 4x4 auto Drag Truck
2013 3500 4x4 Aisin Dually Tow Rig
Tenacity Tuning, Longs Machine Shop, BD Diesel Performance
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09-12-2017, 07:02 AM
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#24
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Name: dummins
Title: Another moron
Status: Not Here
Join Date: Jan 2012
Location: Beaver Lake
Member`s Gallery
Posts: 262
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The push rod had a bend to it must've given it just enough to have some lash.
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09-12-2017, 06:34 PM
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#25
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Name: Striper
Title: Wildlife Tormenter
Status: Not Here
Join Date: Mar 2008
Location: Long Island, NY
Member`s Gallery
Posts: 446
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Just be happy that it didn't do more damage. When I dropped one, it wiped everything out. It was ugly.
__________________
03 Dodge-gone...
Let’s Go Brandon!!
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09-12-2017, 08:55 PM
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#26
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Name: dummins
Title: Another moron
Status: Not Here
Join Date: Jan 2012
Location: Beaver Lake
Member`s Gallery
Posts: 262
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Oh it's getting a full rebuild, heads junk, piston has eaten the cylinder walls and even #1 has an exhaust valve impression. But stuff happens, fix it and move on no sense in dwelling on it.
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09-13-2017, 09:59 PM
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#27
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Name: SixOhh
Title: EPA unfriendly
Status: Not Here
Join Date: Aug 2008
Location: Magnolia, TX
Member`s Gallery
Posts: 1,108
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knowing is half the battle...
__________________
07' Silver 2500 5.9 4x4 LWB
Goerend 48re-csp5/EFI- T&C Mild Cp3-F1 Apex 7.5 -S369sxe Amsoil
Coolant Bypass -Airdog-D&J- Hamilton 188/220 -AFE-ARP Opti-Lube
H-Town Off-Road
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09-13-2017, 10:08 PM
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#28
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Name: dummins
Title: Another moron
Status: Not Here
Join Date: Jan 2012
Location: Beaver Lake
Member`s Gallery
Posts: 262
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Now time to build it, 12 valve rods, later model head, bored .20, balanced rotating assembly, 188/220 cam, springs and pushrods, arp everything. Should be a good combo.
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09-14-2017, 12:36 AM
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#29
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Name: Red Sleeper
Title: Too Much Time
Status: Not Here
Join Date: Aug 2009
Location: Lone Star State
Member`s Gallery
Posts: 4,595
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03 still missing
Quote:
Originally Posted by dummins
Now time to build it, 12 valve rods, later model head, bored .20, balanced rotating assembly, 188/220 cam, springs and pushrods, arp everything. Should be a good combo.
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All this over a valve seat failure? I like your thinking sir.
__________________
Nick J
'14 Silverado LTZ 5.3 4wd
'05 Cummins QCSB 4wd 48re
'91 Cummins w350 5spd
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09-14-2017, 05:03 AM
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#30
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Name: dummins
Title: Another moron
Status: Not Here
Join Date: Jan 2012
Location: Beaver Lake
Member`s Gallery
Posts: 262
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Well it's gotta come out so why not put some better pieces in. Plus I like rpm. I'm afraid my little gated 63 and 60horse injectors aren't gonna be up to par for the rest of the build. But will see.
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10-30-2017, 05:14 PM
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#31
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Name: gododge99
Title: Truck In Shambles
Status: Not Here
Join Date: Feb 2009
Location: Nor Cal
Member`s Gallery
Posts: 242
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i have a similar issue, stock 04.5, ran really rough so i replaced the injectors and crossover tubes. went to fire it up and have the same issue. like its running on 4 cylinders. no excessive blowby, no cel... i had the engine running and pulled the injector plug for 1 and 2 and it made no difference. is it possible that the injector harness for those cylinders is bad?
__________________
P Pump 24V
Allied Diesel Performance
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11-04-2017, 08:59 AM
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#32
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Name: RandomHero
Title: Unstoppable Diesel
Status: Not Here
Join Date: Apr 2015
Member`s Gallery
Posts: 107
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Quote:
Originally Posted by gododge99
i have a similar issue, stock 04.5, ran really rough so i replaced the injectors and crossover tubes. went to fire it up and have the same issue. like its running on 4 cylinders. no excessive blowby, no cel... i had the engine running and pulled the injector plug for 1 and 2 and it made no difference. is it possible that the injector harness for those cylinders is bad?
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Yes, the 3 plug connectors are known to have issues.
__________________
'04.5 QCSB, 6.4L, Billet 48re, Steed Speed, BW S369/S488, Wagler, Dynomite Diesel Products, PTP, PPE, Fass, ARP, Fleece, Synergy, HP Tuners by Silver Bullet Tuning
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11-04-2017, 09:31 AM
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#33
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Name: biggy238
Title: Too Much Time
Status:
Here
Join Date: Aug 2008
Location: Just North of Wrong
Member`s Gallery
Posts: 10,867
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Injector connectors exposed to oil are prone to wick, and then the oil in the plug causes a resistive connection.
The ECM will not always fault because circuit diag still has a return path, but then can't flow enough current to actuate the armature.
This is why newer designs use wire impregnated seals for the injector harness.
Sent from my XT1575 using Tapatalk
__________________
Check out @bdmaximusworx
05.5 Campanella White TDi Jetta 5spd 45.5MPG
-Little Sexy
'10 Silver F250 CCLB 4X4 6.4L cummins Swapped
Insta @trash.panda250
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11-08-2017, 03:13 PM
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#34
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Name: gododge99
Title: Truck In Shambles
Status: Not Here
Join Date: Feb 2009
Location: Nor Cal
Member`s Gallery
Posts: 242
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alright, were somewhat at a loss. its still missing when its cold. so far we have changed the injectors, lift pump, cp3, injector harness, flushed the fuel, compression test on all cylinders, double checked lash... not sure what to do at this point. im starting to lean towards the ecm being bad?
__________________
P Pump 24V
Allied Diesel Performance
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12-24-2017, 01:01 PM
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#35
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Name: dummins
Title: Another moron
Status: Not Here
Join Date: Jan 2012
Location: Beaver Lake
Member`s Gallery
Posts: 262
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Got it rebuilt and running great.
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12-24-2017, 01:02 PM
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#36
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Name: dummins
Title: Another moron
Status: Not Here
Join Date: Jan 2012
Location: Beaver Lake
Member`s Gallery
Posts: 262
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Head, springs, cam from Hamilton
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