Filter substitutions:(length, anti-drainback, etc) 2wd 6.5L diesel

[GM Guy]

Hey guys,

I was flipping through our big baldwin catalog, and was wondering about filter compatability.

(thinking out loud) if the b1428 is the b6, just with an anti-drainback valve, and the b7 has the same base, threads, diameter, basically they all share the same measurements essentially, except the b-7 is longer, and on a 2wd GMT400 with any kind of v-8 (gas or diese) the filter hangs straight down, what is stopping me from using the b7 on a 2wd GMT400? although, I do need to measure and see how close to the downpipe this puppy would come to hitting.

I feel the anti drainback valve is only necessary for filters on their sides or upside down. am I wrong in thinking this, and need it on a vertical filter?

any input on this topic appreciated, I just think the extra quart and filtering capabilites would be beneficial.

 

[6.2 turbo]

You should be fine.

 

[DieselCash]

The B7 will work along with a few other brands of the same filter.

I plan on using it on my truck when I get back. It hold 1 quart or so more of oil than the recommended oil filter.

For it to work your oil filter needs to point down.

 

[bigdisneydaddy]

The beauty of Baldwin is that they give you ALL the specs in the catalog and online so you can compare filters. I agree that the drainback valve is relevant on horizontal applications, not on vertical.

 

[GM Guy]

yeah, dad has some oliver tractors, and oliver liked to put the lube filters upside down, so they do come with anti-drainback valves. but for the hanging vertically off the engine (like us 2wd guys are blessed with) I didnt see an issue, so I figured I would make 100 percent before I tried it.

so does anyone have any theories on using a anti-drainback valve equipped filter on a vertical, hanging filter (as compared to an upside down) application?

 

[schiker]

Depending on the motor will it siphon oil backwards if you drain the oil first vs taking off the filter at oil changes or at shut down ? IIRC the dirty oil is on the outside of the filter element and trapped by the anti drain back isn't it? You would not want dirty oil to go back in the engine??? I don't see this as a problem on the 6.5.

Some people will change oil only and do filter every other oil change. I heard a small package delivery service did this with thier Toyota trucks. Oil change 5k miles filter at 10K. You see a lot of manuals give oil capacity at change with filter and w/o filter. Maybe with anti drain back its a better oil change in case it siphons some backwards on vertical applications????

Probably with so many shared filters vs applications its just easier to make the one size fits all (with anti drain back). Cuts down on inventory and part numbers ? Its not just in inventory but mfg part production switch over sub assembly inventory etc. It does add up. Easier and cheaper to just keep a line chugging out the same ole part.

 

[schiker]

If you can to be absolutely sure check the micron level, flow rating, and wether or not it has a bypass valve not just physical dimensions. For the 6.5 I like a little bigger filter. I run a dual filter head (in parallel) 2 standard filters.

The filter also acts a little like an oil cooler. The thin metal can will dissipate oil heat. More surface area of the can the more cooling just another slight benefit.