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7.3 OBS PSD 94-97 PowerStroke Discussion |
09-28-2017, 05:01 AM
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#1
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Name: Downtownbrown
Title: Diesel Enthusiast
Status: Not Here
Join Date: Sep 2017
Location: North texas
Member`s Gallery
Posts: 157
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7.3 majot blowby, time for rebuild
I recently picked up a 95 f250 eclb powerstroke with 250k on it,i got excited at the price and the fact that it ran as well as it did that i completley forgot to check the blowby i havent taken the head off yet but i am ASSUMING that the #2 or #4 injector hung open and blew a hole through the piston, the blow by is a heavy puff that sings along to the miss of the motor.
I am about to start work on my dodge and i really cant afford 2 projects at once so i wanted to know if it was possible to just replace the one piston so long as the cylinder walls are in good shape? Im not looking to completly rebuild it as it just wouldnt be worth it to me since it needs a set of injectors also. Trying to do the bare minimum to have an extra truck i can drive! Any advice is greatly appreciated
Just realized after posting this there is a obs and sd section, maybe someone can move it for me?
__________________
Austin-
1994 rclb dodge 2500 5spd
Last edited by Downtownbrown; 09-28-2017 at 05:04 AM.
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09-28-2017, 05:54 AM
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#2
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Name: turbo2387
Title: Nipple Fluffer
Status: Not Here
Join Date: Jun 2011
Location: Indiana
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Posts: 665
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blow by from the oil fill or the exhaust pipe. 7.3 injectors fail often. if its from the exhaust pipe chances are its just a couple crummy injectors.
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09-28-2017, 06:56 AM
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#3
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Name: Downtownbrown
Title: Diesel Enthusiast
Status: Not Here
Join Date: Sep 2017
Location: North texas
Member`s Gallery
Posts: 157
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Oil fill, it blows the cap off. I could see about posting a video on youtube for a look see?
__________________
Austin-
1994 rclb dodge 2500 5spd
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09-28-2017, 09:54 AM
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#4
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Name: Downtownbrown
Title: Diesel Enthusiast
Status: Not Here
Join Date: Sep 2017
Location: North texas
Member`s Gallery
Posts: 157
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7.3 powerstroke blowby dead cylinder - YouTube another thing,when i had the valve cover off after the truck was shut off smoke was coming from the front most cylinder, i plan on compression checking this weekend, i guess if all other cylinders are close to spec then ill just replace this one piston? Also the only 2 injectors on the driver side that have oil coming from them are #2 and #8
__________________
Austin-
1994 rclb dodge 2500 5spd
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09-28-2017, 10:23 AM
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#5
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Name: Justappumped24v
Title: Too Much Time
Status: Not Here
Join Date: Feb 2016
Location: Illinois
Member`s Gallery
Posts: 1,311
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Sweet mother of pearl... just say it's cammed lol.
__________________
05 QCSB24v HTD 6.8L, DDP fueling PDD shifted
2011 MCSB 6.7, built 68rfe
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09-28-2017, 10:35 AM
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#6
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Name: BigPapa
Title: Truckless
Status: Not Here
Join Date: Jan 2008
Location: Springfield, TN
Member`s Gallery
Posts: 5,034
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I'd find somebody with an IDS and see what it tells you.
Where are you at?
__________________
Scott
2003 Avalanche Z71
Common sense is like deodorant. The people that need it most never use it.
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09-28-2017, 10:52 AM
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#7
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Name: Downtownbrown
Title: Diesel Enthusiast
Status: Not Here
Join Date: Sep 2017
Location: North texas
Member`s Gallery
Posts: 157
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Quote:
Originally Posted by BigPapa
I'd find somebody with an IDS and see what it tells you.
Where are you at?
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Located in blue ridge TX, IDS as in a scanner?
__________________
Austin-
1994 rclb dodge 2500 5spd
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09-28-2017, 02:14 PM
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#8
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Name: sootie
Title: .....like a BAWSS
Status: Not Here
Join Date: Jan 2013
Member`s Gallery
Posts: 866
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make a thread on powerstrokearmy lots of 7.3 experts over there...
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09-28-2017, 03:44 PM
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#9
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Name: BigPapa
Title: Truckless
Status: Not Here
Join Date: Jan 2008
Location: Springfield, TN
Member`s Gallery
Posts: 5,034
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Quote:
Originally Posted by Downtownbrown
Located in blue ridge TX, IDS as in a scanner?
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Yes, Factory Ford Scan Tool. It'll tell you everything you need to know and what you ate for breakfast.
__________________
Scott
2003 Avalanche Z71
Common sense is like deodorant. The people that need it most never use it.
Last edited by BigPapa; 09-28-2017 at 03:45 PM.
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09-28-2017, 04:00 PM
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#10
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Name: BRE
Title: Too Much Time
Status: Not Here
Join Date: May 2010
Location: Southwest MO
Member`s Gallery
Posts: 12,705
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7.3 majot blowby, time for rebuild
If there is no oil return out of the injectors they are junk most likely.
Get a good scan tool, do a buzz test. Throw a set of harnesses on it, and the injectors it needs. You'd be surprised how "well" it may run when all the injectors are firing.
Get ready for a disaster. 7.3's are bigger piles of chit than 6.0's.
Sent from my iPhone using Tapatalk Pro
__________________
Rick
07 Dodge 3500 - Tow mirrors, silencer ring MIA, Spectra air filter.
Quote:
Originally Posted by jfaulkner
There really is nothing better than OEM. That goes for anything from turbos to boobs.
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RIP Dex KCCO
Last edited by BRE; 09-28-2017 at 04:11 PM.
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09-28-2017, 04:14 PM
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#11
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Name: 95cummins5.9
Title: Old man ***** gossiper
Status: Not Here
Join Date: Jun 2012
Location: U.S.A
Member`s Gallery
Posts: 4,720
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Quote:
Originally Posted by BRE
Get ready for a disaster. 7.3's are bigger piles of chit than 6.0's.
Sent from my iPhone using Tapatalk Pro
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No way.
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09-28-2017, 04:15 PM
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#12
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Name: BRE
Title: Too Much Time
Status: Not Here
Join Date: May 2010
Location: Southwest MO
Member`s Gallery
Posts: 12,705
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Quote:
Originally Posted by 95cummins5.9
No way.
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I'll argue it to the death. 7.3's are most worthless piles of chit ever put in a truck next to a 6.4.
Sent from my iPhone using Tapatalk Pro
__________________
Rick
07 Dodge 3500 - Tow mirrors, silencer ring MIA, Spectra air filter.
Quote:
Originally Posted by jfaulkner
There really is nothing better than OEM. That goes for anything from turbos to boobs.
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RIP Dex KCCO
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09-28-2017, 04:52 PM
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#13
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Name: turbo2387
Title: Nipple Fluffer
Status: Not Here
Join Date: Jun 2011
Location: Indiana
Member`s Gallery
Posts: 665
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Must have not worked on many 6.0's then
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09-28-2017, 05:05 PM
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#14
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Name: BRE
Title: Too Much Time
Status: Not Here
Join Date: May 2010
Location: Southwest MO
Member`s Gallery
Posts: 12,705
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Quote:
Originally Posted by turbo2387
Must have not worked on many 6.0's then
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More than I can count.
Sent from my iPhone using Tapatalk Pro
__________________
Rick
07 Dodge 3500 - Tow mirrors, silencer ring MIA, Spectra air filter.
Quote:
Originally Posted by jfaulkner
There really is nothing better than OEM. That goes for anything from turbos to boobs.
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RIP Dex KCCO
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09-28-2017, 05:23 PM
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#15
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Name: turbo2387
Title: Nipple Fluffer
Status: Not Here
Join Date: Jun 2011
Location: Indiana
Member`s Gallery
Posts: 665
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Same. And all the damn maxforce variants of them for the years after. Cant wait to he rid of everything that resembles a 6.0.
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09-28-2017, 05:31 PM
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#16
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Name: BRE
Title: Too Much Time
Status: Not Here
Join Date: May 2010
Location: Southwest MO
Member`s Gallery
Posts: 12,705
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When I was in the shop before I went to trucking again, the 6.7's were the best ford engine I've felt with.
The rest of them were complete piles.
Sent from my iPhone using Tapatalk Pro
__________________
Rick
07 Dodge 3500 - Tow mirrors, silencer ring MIA, Spectra air filter.
Quote:
Originally Posted by jfaulkner
There really is nothing better than OEM. That goes for anything from turbos to boobs.
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RIP Dex KCCO
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09-28-2017, 05:39 PM
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#17
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Name: DieselWrencher
Title: 6cyl Vette
Status: Not Here
Join Date: Dec 2006
Location: Mitchellville, Ia
Member`s Gallery
Posts: 2,886
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7.3s are worse than a 6.0? That's a first to me! And I just finished a night mare 7.3 build this spring!
__________________
1968 Corvette 12v Cummins Compounds 47RH
1976 K30 CC SWB 12v 47RH
2000 Excursion VE 24v 47RH 4x4
1972 K30 Longhorn P-Pumped 24v 47RH Compounds
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09-28-2017, 06:00 PM
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#18
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Name: BRE
Title: Too Much Time
Status: Not Here
Join Date: May 2010
Location: Southwest MO
Member`s Gallery
Posts: 12,705
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Quote:
Originally Posted by DieselWrencher
7.3s are worse than a 6.0? That's a first to me! And I just finished a night mare 7.3 build this spring!
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Personal opinion obviously as every redneck backwoods diesel know it all thinks it's still the greatest engine ever built.
I have a severe hatred for them.
Sent from my iPhone using Tapatalk Pro
__________________
Rick
07 Dodge 3500 - Tow mirrors, silencer ring MIA, Spectra air filter.
Quote:
Originally Posted by jfaulkner
There really is nothing better than OEM. That goes for anything from turbos to boobs.
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RIP Dex KCCO
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09-28-2017, 06:07 PM
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#19
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Name: turbo2387
Title: Nipple Fluffer
Status: Not Here
Join Date: Jun 2011
Location: Indiana
Member`s Gallery
Posts: 665
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To each their own. But when 1 in 20 are a 7.3 coming ito the shop compared to 19 6.0's there is a clear winner and looser
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09-28-2017, 06:21 PM
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#20
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Name: BigPapa
Title: Truckless
Status: Not Here
Join Date: Jan 2008
Location: Springfield, TN
Member`s Gallery
Posts: 5,034
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I rarely disagree with you Rick, but I have to on this one.
__________________
Scott
2003 Avalanche Z71
Common sense is like deodorant. The people that need it most never use it.
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