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Old 01-10-2013, 07:37 PM   #1 (permalink)
sathackr
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Pensacola Diesel and Herzog Injectors

I know they're not a site vendor so sorry if this isn't allowed, but just wanted to give some props to Pensacola Diesel.

Back in April I bought a reman IP from them, which I didn't install until around July. After about 3000 miles it started having issues metering the fuel (touchy accel, wouldn't pass the 2000pm test, etc)

As some know and as indicated my signature, I pour whatever flammable oily liquids I can find in my fuel tank and dilute it with diesel if the truck doesn't like it.

I was sure the pump failure was because of the crud I was running it on, and swapped my original IP back onto the truck. I called Pensacola Diesel, explained to them what I had run through the pump, offered to pay them Labor & Materials to tell me what exactly had failed in the pump and to repair it.

They said the pump still had a warranty (originally 12 months) and that they would cover it under warranty as long as the failure wasn't related to the fuel I had used. I was sure they would automatically void the warranty after finding out I wasn't running diesel in their pump.

They received the pump Tuesday and shipped it back to me Wednesday, repaired under warranty. They indicated the fuel metering solenoid was out of adjustment by a large amount and suspected I had whacked it while installing the pump (quite possible).

Whether I did or not, I don't know, just wanted to give them props for a quick turn around and standing behind their work even though it had been admittedly abused.

I also bought some Herzog marine injectors from them last April that I've been using with the same crud. I put 2 Herzog(Marine), 4 Delphi, and 2 Bosch injectors on my truck to see how they held up. I don't have a pop tester, but when I pulled the injectors, both the Bosch and Herzogs had very little buildup on the tips while all the Delphis were heavily coked. I cleaned them all and replaced them in different cylinders (in case a leaky head gasket was cleaning them) and had similar results. Bosch and Herzog clean, Delphi coked. I have pictures of them side-by-side I'll post on request.
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1995 C1500 Suburban 6.5L 3.42 gears, "F" VIN 929 block.
New Flight Systems PMD in the bumper.
6-Banger by Buddy multi-program chip.

490k miles.
Reman DS4 RIP Resurrected! Killed it with some motor oil. Used diesel motor oil = pump murderer. Bought another reman from Pensacola Diesel.
Original DS4(Tag says 2005) RIP ResurrectedFinally killed it dead with a yummy veggie oil blend. He will be missed.

Engine, tranny, and turbo rebuilt at 400k

Running mostly on alternate "Fuels"
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Old 01-10-2013, 08:57 PM   #2 (permalink)
dieselolds
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Pics would be interesting.Yes,upload them if you can possibly do so.Thanks.
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1978 Chevrolet K20....with '81 5.7L DIESEL DX block/TH400

1993 Chevrolet K1500 Z71....with newly rebuilt '97 6.5 TD (506 squirter block)

1997 Chevrolet K1500 ext.cab Z71....6.5 TD engine is out....New Genuine GM 6.2 660 short block takes its place.Equipped with 4L80E/6.5TD cylinder heads and DS4 injection system.

1998 Chevrolet K1500 Z71.....with a '87 6.2L DIESEL and 700R4.

2002 Volkswagen Jetta TDI.....with a 1.9L turbo diesel/5 speed.Cold air intake system.

2013 Volkswagen Passat TDI comfortline....with 6 speed manual tranny and 2.0L turbo diesel.
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Old 01-10-2013, 10:10 PM   #3 (permalink)
Deezel
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Hope you know Herzog does not make 6.5l injectors.
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Old 01-13-2013, 02:45 PM   #4 (permalink)
sathackr
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Quote:
Originally Posted by Deezel View Post
Hope you know Herzog does not make 6.5l injectors.
Yes, I know. I should have said "Injectors sold as made by Herzog of Germany but likely Made in China and probably not specifically for 6.5" Regardless of the manufacturing details, the results aren't too shabby.

I will say, the Bosch and Delphi injectors are easily dismantled and cleaned. The "Herzog" injector nozzles were locked into the bodies pretty tightly by soot (between the nozzle and the body)

Either something with the nozzle allows the soot into this area or possibly the body-to-nozzle clearance is different.
__________________
1995 C1500 Suburban 6.5L 3.42 gears, "F" VIN 929 block.
New Flight Systems PMD in the bumper.
6-Banger by Buddy multi-program chip.

490k miles.
Reman DS4 RIP Resurrected! Killed it with some motor oil. Used diesel motor oil = pump murderer. Bought another reman from Pensacola Diesel.
Original DS4(Tag says 2005) RIP ResurrectedFinally killed it dead with a yummy veggie oil blend. He will be missed.

Engine, tranny, and turbo rebuilt at 400k

Running mostly on alternate "Fuels"
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Old 01-13-2013, 02:47 PM   #5 (permalink)
sathackr
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This is the picture that came out clearest.

Attached Thumbnails
Pensacola Diesel and Herzog Injectors-injectors1.jpg  
__________________
1995 C1500 Suburban 6.5L 3.42 gears, "F" VIN 929 block.
New Flight Systems PMD in the bumper.
6-Banger by Buddy multi-program chip.

490k miles.
Reman DS4 RIP Resurrected! Killed it with some motor oil. Used diesel motor oil = pump murderer. Bought another reman from Pensacola Diesel.
Original DS4(Tag says 2005) RIP ResurrectedFinally killed it dead with a yummy veggie oil blend. He will be missed.

Engine, tranny, and turbo rebuilt at 400k

Running mostly on alternate "Fuels"
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Old 01-13-2013, 04:32 PM   #6 (permalink)
sctrailrider
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Old School Oil Burners (Old SOBs) Member

Not knowing what the pop pressure is set at on the different injectors you don't really know what might have caused them to soot up, the body doesn't matter, the tip and pressure will have everything to do with the soot...
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Old 01-13-2013, 05:01 PM   #7 (permalink)
sathackr
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Quote:
Originally Posted by sctrailrider View Post
Not knowing what the pop pressure is set at on the different injectors you don't really know what might have caused them to soot up, the body doesn't matter, the tip and pressure will have everything to do with the soot...
I agree...I should have mentioned that along with the picture (that I didn't have a pop-tester) so that someone wouldn't be misled. It's quite possible the delphi injectors are popping lower than the others.
__________________
1995 C1500 Suburban 6.5L 3.42 gears, "F" VIN 929 block.
New Flight Systems PMD in the bumper.
6-Banger by Buddy multi-program chip.

490k miles.
Reman DS4 RIP Resurrected! Killed it with some motor oil. Used diesel motor oil = pump murderer. Bought another reman from Pensacola Diesel.
Original DS4(Tag says 2005) RIP ResurrectedFinally killed it dead with a yummy veggie oil blend. He will be missed.

Engine, tranny, and turbo rebuilt at 400k

Running mostly on alternate "Fuels"
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Old 01-13-2013, 05:45 PM   #8 (permalink)
dieselolds
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The delphi's are quite a mess from that picture.Very suprised to see that.I find they work great in my 6.2 though.
__________________
1978 Chevrolet K20....with '81 5.7L DIESEL DX block/TH400

1993 Chevrolet K1500 Z71....with newly rebuilt '97 6.5 TD (506 squirter block)

1997 Chevrolet K1500 ext.cab Z71....6.5 TD engine is out....New Genuine GM 6.2 660 short block takes its place.Equipped with 4L80E/6.5TD cylinder heads and DS4 injection system.

1998 Chevrolet K1500 Z71.....with a '87 6.2L DIESEL and 700R4.

2002 Volkswagen Jetta TDI.....with a 1.9L turbo diesel/5 speed.Cold air intake system.

2013 Volkswagen Passat TDI comfortline....with 6 speed manual tranny and 2.0L turbo diesel.

Last edited by dieselolds; 01-13-2013 at 05:45 PM.
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Old 01-13-2013, 06:30 PM   #9 (permalink)
JMJNet
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The Suburban Club Member

Did you put them on or previous owner did?

If you know, how many miles has it been there?

You mentioned you are using gasoline or something?
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PMD in Bumper
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Last edited by JMJNet; 01-13-2013 at 06:31 PM.
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Old 01-15-2013, 12:00 AM   #10 (permalink)
sathackr
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Quote:
Originally Posted by JMJNet View Post
Did you put them on or previous owner did?

If you know, how many miles has it been there?

You mentioned you are using gasoline or something?
4 of the delphis were on the truck when I got it. Unknown miles but cleaned them the first time I had them out (about 8000miles ago)

2 were new. There was some variation in amount of crud on them, the one in the picture is about average. Didn't seem to be any difference between the new ones and the 4 that were already on the truck. They all were cleaned about 5000 miles ago. Not a super endurance test, I know.

One bosch was new, one was on the truck already. The herzogs were new.

Gasoline is among the liquids that have been burned but never more than about 20%.

Other liquids:
-used ISO 42 hydraulic oil, diluted 10% D2, 10% Gasoline. (about 200gals)
-Some sort of gear oil, 50% diluted with diesel. (about 40gals)
-2 drums of mystery fluid. Seemed to be mostly hydraulic oil but one smelled like spray paint and the other had a strong unknown solvent smell. Diluted 20% D2. (100gals)
-I tried a batch of the hydraulic oil, diluted with e85(with the old pump). The truck hated it, it kept separating and vapor-locking on me. Ruined the rubber seal on the bleeder valve on the FFM.
-1 drum of used motor oil, diluted about 20% gasoline. It was too dark for my optical sensor so that tank was burned in limp mode. (50gals)


The fuel I'm burning is not typical, I really expected all of the injectors to come out like the delphi's, I was surprised when they didn't. I don't run 2 tanks, I don't have any fuel heater, nearly a stock fuel system.
__________________
1995 C1500 Suburban 6.5L 3.42 gears, "F" VIN 929 block.
New Flight Systems PMD in the bumper.
6-Banger by Buddy multi-program chip.

490k miles.
Reman DS4 RIP Resurrected! Killed it with some motor oil. Used diesel motor oil = pump murderer. Bought another reman from Pensacola Diesel.
Original DS4(Tag says 2005) RIP ResurrectedFinally killed it dead with a yummy veggie oil blend. He will be missed.

Engine, tranny, and turbo rebuilt at 400k

Running mostly on alternate "Fuels"
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