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G56 uses a thinner fluid from what I remember, and I've seen guys filter gear oil in differentials using a pump like is being suggested for this trans.

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G56 uses a thinner fluid from what I remember, and I've seen guys filter gear oil in differentials using a pump like is being suggested for this trans.

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G56 needs something between a 50wt & 75w-90... Atf is junk in the g56.
 

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Discussion Starter #24
Any plans for a DIY writeup? (pics too? I can host those pics if needed... Smugmug.com is what I use)
I was just going to add everything to this thread unless you guys would like a separate thread.
 

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Discussion Starter #25
Can you filter such a viscus fluid ( assuming it is thick) ?
Once it heats up to that point it isn't terribly thick. It will have more differential pressure across the filter than say engine oil but it will still filter. This will be less flow so I think a standard full flow engine oil filter should handle it unless anyone knows of a filter designed for manual trans fluid.
 

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Discussion Starter #26
I finally remembered to check threads on my filter head. It is 1x16 with 3/8 npt in/out.

My plan is just to go to the parts store and find a lube filter that is fairly common with these threads. That should make it easy to get replacement filters in the future.

Really any filtration is an upgrade considering there is none to begin with.
 

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I finally remembered to check threads on my filter head. It is 1x16 with 3/8 npt in/out.

My plan is just to go to the parts store and find a lube filter that is fairly common with these threads. That should make it easy to get replacement filters in the future.

Really any filtration is an upgrade considering there is none to begin with.
1x16 is standard Cummins filter thread, IIRC?

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Discussion Starter #28
1x16 is standard Cummins filter thread, IIRC?

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Well how about that? I think it is. Right under my nose. That will be easy enough then. I have fleetguard stratopores that I run on the engine. I'll probably just use a plain wix or whatever is cheapest.
 

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Discussion Starter #29
Most of the fittings and hose that I have is -6 an stuff. Probably on the small side so I'll probably just get bigger.
 

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Most of the fittings and hose that I have is -6 an stuff. Probably on the small side so I'll probably just get bigger.
I'd probably run 1/2" (is that -8AN?) or 5/8" since you have 3/8" NPT ports? That would give less restriction and provide a little more fluid overall.

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Discussion Starter #31
That's kinda what I was thinking. I drilled and tapped my PTO covers but I'm not sure what I was thinking because the port that I would use for suction to the pump is 1/4npt so I'm going to have to take the cover off again and go bigger. Unfortunately that also means draining the liquid gold transmission fluid I've got in it. IMG_20190731_175529_1564655371713.jpg
 

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That's kinda what I was thinking. I drilled and tapped my PTO covers but I'm not sure what I was thinking because the port that I would use for suction to the pump is 1/4npt so I'm going to have to take the cover off again and go bigger. Unfortunately that also means draining the liquid gold transmission fluid I've got in it. View attachment 853061

Drain it into a clean pan, and put it back in. No need to support the economy.
 

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I run 8 AN lines which is 1/2". The OEM auto cooler tubes and plumbing is 1/2".
 

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Discussion Starter #34
Drain it into a clean pan, and put it back in. No need to support the economy.
I probably will at least save it. And scrub clean around the drain. I was thinking about trying some of that Amsoil MTG.
 

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Discussion Starter #35
I run 8 AN lines which is 1/2". The OEM auto cooler tubes and plumbing is 1/2".
I wasn't sure if 8 or 10 was 1/2" but I don't see any reason to go bigger than the cooler lines are besides maybe the suction to the pump. Which will only be a short section.
 

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I wasn't sure if 8 or 10 was 1/2" but I don't see any reason to go bigger than the cooler lines are besides maybe the suction to the pump. Which will only be a short section.
Aren't AN lines all derivatives of 1/16"?

8/16" is 1/2"...10/16" Is 5/8" and so on...

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Discussion Starter #38 (Edited)
Aren't AN lines all derivatives of 1/16"?

8/16" is 1/2"...10/16" Is 5/8" and so on...

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Well that's handy to know. I guess if I would have looked at it hard enough I could have figured it out. The only thing I've done with the AN lines is my bypass filter and I used -6AN for that.

I wonder why they don't just say -8AN/ 1/2"?
 

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Be sure to get reputable AN fittings if going that route. I purchased -8AN for a non critical project, which is supposed to be 1/2". The hole diameter on the male end was 0.420. That was closer to 3/8 than 1/2". Needless to say, they were all returned.

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One more comment: Try to stick with the same manufacturer for the whole project and don't mix AN with JIC if it's critical.

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