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Will the factory 4l80e hold up?

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Old 04-16-2018, 10:28 PM
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Default Will the factory 4l80e hold up?
Im building a 4.030 x 3.900 stroke motor with profiler 225 heads and probably 42lb injectors the cam specs im going to probbaly chose is a 210/216 Cam with a 115+5 LSA its going in an 01 silverado 2500 do you think the stock 4l80 would handle it til i upgrade it?
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Old 04-16-2018, 10:34 PM
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A fresh stock 4L80e with like a shift kit should handle it. Build it up with if you want.

Do all power pulls in 3rd gear to save yourself from grenading it.
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Old 04-16-2018, 10:37 PM
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Well, or 2nd gear. Or 1st.

Just not fourth lol

I am curious why the internet says not "D4" but D3 is ok? Because if I am in D4 and don't let it hit 4th, isn't it the same thing? I don't know the internal circuits at all, but in my head it's the same thing.
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Old 04-16-2018, 10:53 PM
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Don't WOT in D4 or you'll be sorry. I did on my build and blew a one way roller clutch. I was lucky and the part was $15 and a whole lot of wrenching and sweat and cursing haha.

I lost 4th gear and reverse because of it. Could have been much much worse


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Old 04-16-2018, 10:59 PM
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Here is a video why D3 matters.

Turn up the volume.

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Old 04-16-2018, 11:00 PM
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LOL so i better build a transmission and set them in as a unit i guess it would be safer
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Old 04-17-2018, 05:45 AM
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Just have it in D3, my $250 craigslist special 80e lasted several years behind a 370 spraying a 350 shot..
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Old 04-17-2018, 06:53 AM
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Originally Posted by FFDP
Here is a video why D3 matters.

Turn up the volume.

https://www.youtube.com/watch?v=8Qk_TV0w-WE
Great video with visuals. I always knew to put it in D3, but never really knew why.
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Old 04-19-2018, 09:14 AM
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Originally Posted by dirt track racer 81
Just have it in D3, my $250 craigslist special 80e lasted several years behind a 370 spraying a 350 shot..
Jesus
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Old 04-19-2018, 09:47 AM
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Originally Posted by MrHorsepowerLSx
Jesus
Ya no ****, how did you find a 4l80e for $250?
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