4L80E fittings question (older style)

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PPI Typhoon

DIY Madman
Ok, I have the older style 4L80E and have a question about the fittings.

The setup currently has brass fittings in the transmission now. Do I remove those, or do I put new 90-deg adapters on them?

If I'm not going with AN lines, can I just use the RPM adapters? I just get the right size based on what size hose I run, is that correct? (3/8 vs 5/16).

Here is a pic for reference.

tranny-fittings.jpg


Thanks in advance.
 
P

PPI Typhoon

DIY Madman
Re: 4L80E fittings question (older style)

I've got 2 of these on the way:

10895c6b2c6b6589d802359e4addea1a.jpg


I'm just not sure if they replace those brass fittings, or are attached to them.
 
J

jpalmer

New member
Re: 4L80E fittings question (older style)

I left mine on, then put an fittings from there out. I am not sure if the fittings you ordered are correct or not. I am sure someone else can chime in on that. Another note, 90* fittings also restrict flow, i usually try to avoid them.
 
Norm

Norm

Donating Member
Re: 4L80E fittings question (older style)

Why wouldn't you just use hard line and make your own flares? You could run the hardline as long as you want right to the cooler.
 
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Poconojoe

Donating Member
Re: 4L80E fittings question (older style)

Norm said:
Why wouldn't you just use hard line and make your own flares? You could run the hardline as long as you want right to the cooler.
Click to expand...

Might be a space issue, those fittings keep the hose withing an inch (25 mm) of the case, you'd need to be good with a bender and flare the nut on the line first, and you'd still be at least 2 inches (50 mm) away
 
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