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#2545534 - 02/22/12 08:37 PM Re: just how bulletproof a 7.3 powerstroke is [Re: mobilaltima]
Jarlaxle Online   content

Registered: 02/02/12
Posts: 5674
Loc: New England
My wife drives was a 201 F-550 rollback, with a 7.3 PSD. It was totalled last winter (hit head-on idiot in an H2, passing on a double-yellow in a snowstorm) with 920,000 miles. Not only had the engine never been rebuilt, it had two (maybe three) original fuel injectors.

It never saw a drop of synthetic oil & the block heater was never used.
1979 Coupe de Ville, 542 stroker, 15W-40 Super Tech, NAPA
1995 Dakota, 5.2, Super Tech 5W-30, Motorcraft
2012 Suzuki AN400A, parked for winter frown

#2545649 - 02/22/12 11:14 PM Re: just how bulletproof a 7.3 powerstroke is [Re: mobilaltima]
DrDusty86 Offline

Registered: 01/04/11
Posts: 1491
Loc: TX
The 7.3 PowerStroke and the Triton family have the longevity market cornered. I have YET to see a GM with over 342k or a Dodge magnum with over 385k but have seen SEVERAL 4.6s with over 600k untouched.
Some say the Tritions are gutless, but are some of the longest lasting motors ever produced.

#2545770 - 02/23/12 08:19 AM Re: just how bulletproof a 7.3 powerstroke is [Re: mobilaltima]
mobilaltima Offline

Registered: 02/03/11
Posts: 640
Loc: Golden Meadow, LA
beercan you sure are right about those 4.9's! my uncle had one with about 300,000 miles and it ran great!
2006 2500 Dodge 5.9 Cummins CR, Mobil Delvac 15W40, Fleetguard Stratapore, building it for 650 hp

#2545957 - 02/23/12 12:18 PM Re: just how bulletproof a 7.3 powerstroke is [Re: SteveSRT8]
GMBoy Offline

Registered: 11/22/04
Posts: 6837
Loc: Texas
Originally Posted By: SteveSRT8
Originally Posted By: mobilaltima
and lets keep the subject on diesels, a 7.3 powerstroke is a world of difference in toughness and reliability compared to a gas engine.

While this may be true, I have a fleet of gas powered vans that routinely run for at least 250k miles and one at 400K+ working daily. I have yet to see any real advantage to a diesel powertrain in our line of work.

Their small fuel economy advantage is completely offset by higher fuel costs and more maintenance required per mile driven.

I agree with you. Actually the only real reason I see today for a Diesel is if you need the most power available for towing. Otherwise a gas engine will last plenty long as you have proven with your fleet, which if I recall are all GM 6.0L's.

#2546075 - 02/23/12 03:11 PM Re: just how bulletproof a 7.3 powerstroke is [Re: mobilaltima]
SteveSRT8 Offline

Registered: 10/10/08
Posts: 16954
Loc: Sunny Florida
Yessir, one great torquey engine, that 6.0.

And it would appear to me that the GM family 4.8/5.3/6.0/6.2 are all quite durable with a little TLC.
"In a democracy, dissent is an act of faith."
J. William Fulbright
Best ET-12.79 @ 111 mph
4340 pounds, Street tires
Just like we go to Publix

#2546255 - 02/23/12 06:09 PM Re: just how bulletproof a 7.3 powerstroke is [Re: mobilaltima]
rpn453 Offline

Registered: 11/06/02
Posts: 4842
Loc: Saskatchewan
Originally Posted By: mobilaltima
the worst part is he told me he waits to change his oil until his oil light blinks, which is extremely bad for this engine to wait that long cause the injection system shears the oil.

It's extremely bad for any engine! If the engine's in good shape, it could take a few years for the oil level to get that low.
2004 Mazda3 GT Hatch 75k

#3058534 - 07/08/13 05:22 PM Re: just how bulletproof a 7.3 powerstroke is [Re: mobilaltima]
JR Offline

Registered: 08/08/04
Posts: 1160
Loc: Michigan born but my heart bel...
A friend of mine has a 96 psd. I helped him with a top end overhaul at 425k. He was given a set of new heads, and injectors from his boss after the last ofthe 96s were liquidated. The cylinders showed no signs of wear. And crosshaxing was as vived as fresh. That was close to five years ago. Mine has 205k on the clock. It wasnt fully seated til about 125k.


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