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MOBIL DELVAC, MOBIL 1 truck diesel, and VALVOLINE premium blue $12.99

I always ran a duramax filter on my 4X4 6.5. Fit great and held a little extra. The two wheel drive 6.5's can run a BIG filter though.
 
DieselCash said:
I run a wix 51794 it holds well over 1 quart of oil.
Click to expand...

Looks like a large filter, but if you care it does not have the anti drain valve $8.50

51794
PARTS DETAIL
Principal Application: Chevrolet and GMC Trucks (73-93)
Style: Spin-On Lube Filter
Service: Lube
Type: Full Flow
Media: Paper
Height: 7.822
Outer Diameter Top: 3.674
Outer Diameter Bottom: Closed
Thread Size: 13/16-16
By-Pass Valve Setting-PSI: None
Burst Pressure-PSI: 270
Max Flow Rate: 9-11 GPM
Nominal Micron Rating: 21
 
6.5 turbo diesel filter with Anti-Drain Back Valve. $4.99
51060
"PARTS DETAIL
Principal Application: Chevrolet/GMC Trucks (91-05), Hummer (93-06)
Style: Spin-On Lube Filter
Service: Lube
Type: Full Flow
Media: Paper
Height: 5.178
Outer Diameter Top: 3.660
Outer Diameter Bottom: Closed
Thread Size: 13/16-16
By-Pass Valve Setting-PSI: None
Anti-Drain Back Valve: Yes
Beta Ratio: 2/20=17/41
Burst Pressure-PSI: 270
Max Flow Rate: 9-11 GPM
Nominal Micron Rating: 21
 
RI Chevy Silveradoman said:
How about for the Duramax's?
Click to expand...

Wix 57202 $9.99

PARTS DETAIL
Principal Application: Chev-GMC Vehicles w/ 6.6L Duramax Diesel (01-10)
Style: Spin-On Lube Filter
Service: Lube
Type: Full Flow
Media: Paper
Height: 5.216
Outer Diameter Top: 3.690
Outer Diameter Bottom: Closed
Thread Size: 13/16-16
By-Pass Valve Setting-PSI: 15
Anti-Drain Back Valve: Yes
Beta Ratio: 2/20/75=8/20/25
Burst Pressure-PSI: 335
Max Flow Rate: 9-11 GPM
Nominal Micron Rating: 21
 
Burning oil said:
Looks like a large filter, but if you care it does not have the anti drain valve $8.50

51794
PARTS DETAIL
Principal Application: Chevrolet and GMC Trucks (73-93)
Style: Spin-On Lube Filter
Service: Lube
Type: Full Flow
Media: Paper
Height: 7.822
Outer Diameter Top: 3.674
Outer Diameter Bottom: Closed
Thread Size: 13/16-16
By-Pass Valve Setting-PSI: None
Burst Pressure-PSI: 270
Max Flow Rate: 9-11 GPM
Nominal Micron Rating: 21
Click to expand...


It has no place to drain back to. The threads on the filter go straight up. I do not see it being a problem.

If it is I got a filter-mag wrapped around half of it.

What is up with the price?
 
DieselCash said:
It has no place to drain back to. The threads on the filter go straight up. I do not see it being a problem.
Im not 100% what they mean unless its to prevent oil from draining out of the oil pump.
If it is I got a filter-mag wrapped around half of it.

What is up with the price?
Click to expand...
Not sure what you mean about price?
 
This sounds like the tall filter that ran on BB chevy truck engines in 70-80s aint there some thing bout dirty oil and trash back flowing outta the dirty s side is reason for back flow check never herd mounted angle had any thing to do with it

Sent from my SAMSUNG-SGH-I437P using Tapatalk
 
Does the sludge go to the magnet and get held in the filter how dose that work

Sent from my SAMSUNG-SGH-I437P using Tapatalk
 
I think the oil can supposedly siphon itself back out of the filter. never experienced it, but have never tried it either. I just run the 51060 and call it good.
 
I never looked at oil flow paths, but I know alittle about the way liquids behave. Im guessing at a theory: once engine shuts off the weight/pressure inside the filter is greater because the oil is above and since its not a closed system it will self level. All the oil is going to find the lowest spot it can. If the dirty oil has a way to flow back to the pan it will. The valve would/should stop any self leveling on that side of the circuit.
Just a theory though.
 
Burning oil said:
I never looked at oil flow paths, but I know alittle about the way liquids behave. Im guessing at a theory: once engine shuts off the weight/pressure inside the filter is greater because the oil is above and since its not a closed system it will self level. All the oil is going to find the lowest spot it can. If the dirty oil has a way to flow back to the pan it will. The valve would/should stop any self leveling on that side of the circuit.
Just a theory though.
Click to expand...




Burning oil said:
I never looked at oil flow paths, but I know alittle about the way liquids behave. Im guessing at a theory: once engine shuts off the weight/pressure inside the filter is greater becausethe oil is above and since its not a closed system it will self level. All the oil is going to find the lowest spot it can. If the dirty oil has a way to flow back to the pan it will. The valve would/should stop any self leveling on that side of the circuit.
Just a theory though.
Click to expand...

I have the same theory u can hear the flow back with a tin oil pan if u are under one when it is shut off when the road dept had war wagons thay ran the long filters cause thay stocked them for 366 bb also in fleet and thay fit 6.2 so I have some knowledge on this subject war wagons had right hand drive transfer so shaft was not a problem

Sent from my SAMSUNG-SGH-I437P using Tapatalk
 
And if u think it dont matter if sludge flows back to oil pan its gonna get picked up Again and ran through the filter well think about a plugged oil pump screen and if u trap sludge in the filter then u spin it off and thrown it away not just keep passing it through oil pump screen and giving it a chance to stick and restrict oil flow to pump I guess I would rather trap mine in filter and throw it away with a dirty filter

Sent from my SAMSUNG-SGH-I437P using Tapatalk
 
HoytBows said:
If a guy switches over to Synthetic . . .
Click to expand...

Just mentioning, do not remember which CRDI systems the misc Amsoil bulletins applied to, but IIRC not all CRDI systems take well to extended drain intervals with synthetic oil. So, if one of the intended benefits of going synthetic is the extended drain interval, check with the lube manufacturer first. This may have changed with some of the new blends since I first read about the issue ~4 years ago.
 
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