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AFter 4 months the 4L80e swap starts tomorrow!!!!

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Old 03-07-2012, 02:04 PM
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Not really worried about the relay. From what i have seen as long as you turn off a few tests and do the relay mod there is no ill affects.
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Old 03-07-2012, 02:55 PM
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I have a gauge for that
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You need the 80e dipstick tube, its different than the 60e.

If you are worried about the relay failing you can use a solid state relay, or even wire 2 or 3 relays in parallel...the chances of all of them failing is basically zero.
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Old 03-07-2012, 03:21 PM
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Originally Posted by BlackGMC
Misc AN fittings to extend my cooler lines (allready have -6AN braided lines and 40k tru-cool)
I presume you already have the correct AN cooler fittings or modified your stock cooler fittings on the trans end? I.E. the long rear one that extends into the center support?
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Old 03-07-2012, 04:31 PM
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Originally Posted by BigKID
I presume you already have the correct AN cooler fittings or modified your stock cooler fittings on the trans end? I.E. the long rear one that extends into the center support?
I allready have AN fittings for my 60e now with the tru cool fittings as well. I got 80 fittings taken care off, see the post below

https://www.performancetrucks.net/fo...7/#post4847328

Originally Posted by BlackGMC
I know i am bumping an old thread but i thought i would post why that rear cooler line fitting is important and were it attaches in side the case.. As you can see it plugs directly in the center support








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Old 03-07-2012, 04:41 PM
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I have no information to add to this or these guys but good luck with the swap Corey. Hope it all goes well for ya man.
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Old 03-07-2012, 04:50 PM
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fuel pump runs off a relay, along with Electric Fans, if you use a quality relay you wont have a problem.

they arent having alot of amps run thru them for a transmission noid so the odds of them failing are slim.
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Old 03-07-2012, 07:22 PM
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Is the tranny all assembled? I don't have my manual in front of me, but I don't think that snap ring is supposed to be in that clock position. Maybe someone with a manual or experience (Vince) can chime in.
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Old 03-07-2012, 07:43 PM
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Hmmm yep the tranny is all assembled. That snap ring is supposed to be like that. The one above it i was told to installed it in the opposite position.


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Old 03-07-2012, 07:49 PM
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Hey Corey,
Although I did my swap awhile back I interested to hear how you might run the 4L80E on a 4L60E segment file. Just wondering if there are any advantages. Keep up the great work!
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Old 03-07-2012, 07:50 PM
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Thanks Bill, ya i will be sure to post up my impressions of the swap, i still need to get the instructions off my computer. Hopefully tomorrow when i have a spareoment at work
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