4L80E mods for 700hp, accumulator delete

[@garyborchert61]

😀 I certainly don't want to be carefully put aside by you , but happy with the info on this video, very clever stuff and nothing boring about it except the holes of course 😊, see ya on the next one always watching from Australia.

[@r.joseph8911]

What a cute pup! Great job on all your content. Thank you for all you do! I can’t wait to dig into my 4L80!

[@mikecarignan7002]

Never boring to me,thanks gearhead forever

[@jfeliciano2687]

Thanks for sharing, this is exactly what I was looking for.

[@GoatGirl314]

This is very helpful, thank you!

[@adamkorekach9936]

You should get a hardened input shaft. Kinda pricey, but I think it’s worth it.

[@jimandskittum]

For 1000 horsepowah severe duty. First trip- grind here, plug here, delete, drill, drill, drill. Cross fingers and send it!

[@philistineau]

Nice job! Thank you! How did you work this stuff out? Did it perform as expected?

[@TheDrivewayEngineer]

It's in the truck driving around

[@TurboV8boi]

@@TheDrivewayEngineer How about now? I'm buying all of the parts for my trans now. More expensive than I was originally anticipated.

[@robertbroderick3896]

Hi, do you still use a HD2 shift kit to make your shifts snappier? Matt Happel ran a 4L80E with just the HD2 shift kit and that trans held the power in his 1000 whp turbo Colorado. So your mod makes the 2nd to 3rd shift a lot better quicker. Its amazing how much turbo power stock otherwise 4L80E can hold! Would love to see a price and sources breakdown of costs to add a junk yard 4L80E to a LS turbo build. Including trans, shifter, drive shaft and u joint mods etc to arrive at true cost. Thanks for all your great videos!

[@TheDrivewayEngineer]

No sir, what I've done in these three videos replaces what an HD2 kit does. If you have a transmission in a vehicle, the Transgo is a good way to go. If it's out, internally dual feeding, deleting the accumulators, rollerizing the output is far superior. After around 750 ft/lbs on the input, the mechanical parts inside become a weak link. Matt did make 1000hp, but it was for a single dyno pull. Idk how many more times he ran at that power level, but it wasn't a daily deal to shovel that through it.

[@TheDrivewayEngineer]

BTW, at the end if it all, I can certainly add it up.

[@robertbroderick3896]

Thank you so much. I do have a 72 nova roller I bought, has a built 350 chevy, had nitrous, turbo 400 of unknown strength. Was a track only drag car ran 7.1 in eighth or maybe low 11s quarter. In your opinion is that turbo 400 internally as strong as a 4L80E? ( assuming 400 is in normal shape, feels good driving it now). Im going to sloppy build your stage 3 with a 5.3, VS racing china twin turbos so 800 to 1000 hp. My concern is if my turbo 400 can stand up to it, or would a junk yard 4L80E with your mods be stronger? Occaisional drag strips runs and a lot of street use. Thanks! @@TheDrivewayEngineer

[@robertbroderick3896]

@@TheDrivewayEngineer Thank you, that would be great! Comparing costs of doing a junk yard 4L80E your mods, to building a turbo 400 for my 72 Nova.

[@scottcoleman162]

How do you the shift with the delete. I bought the purple spring and delete kit from Ck putting them in my build now.

[@joshuasterling9596]

Thanks for the cool video. I am doing the Transgo HD2 kit cuz I didn't know better. I just ordered that accumulator block off and that harness. Does drilling these holes conflict with the Hd2 kit? I do have a new sonnex line to lube valve so maybe I should just do the other 2? Thx J.R. I did your rollerizing set up as well.

[@dannyloredo3290]

Great videos

[@anthonyflorence4389]

Ok u seem to be very knowledgeable I have a 98 GMC 3500 with the 4l80 transmission in it I lost reverse backing my camper up I bought the extension pin for the reverse servo pin installed it new seals then it went into reverse for about a week and then not at all still goes forward through all gears I can still do 70 80 it will go in reverse every now and again if I high Rev or if it's set for 2 days when it was cold any clue u might be able to help

[@TheDrivewayEngineer]

Reverse servo pin isn't engaging the band

[@DarkKokoro84]

Can you make a 1000hp 4l80e build vid tutorial?

[@deegan727]

I built a 4l80e 3 years ago. Your build is almost identical to mine but I used some of an HD2 kit and did the internal dual feed mod. I’m wondering how you like the 3-4 accumulator delete. I didn’t do that. My trans is still doing great but I’m planning another for another project.

[@TheDrivewayEngineer]

Late AF, but the accumulatorndelete is working great!

[@deegan727]

@@TheDrivewayEngineer Np, thanks. I might do it on my turbo ls K5 Blazer whenever I get around to actually doing the swap. Right now I’m doing paint and body and collecting parts to rebuild everything before the swap.

[@Nutflame55]

what parts of the kit did u use?

[@deegan727]

@@Nutflame55 This is weird but I’ve replied to this twice. I thought I accidentally deleted the first, but my second attempt is gone too. Did you get to see the others?

[@Nutflame55]

@@deegan727 no I'm still lost

[@txslugga06]

Awesome dude

[@davenevarez4738]

Great tips!

[@gerardolopez5875]

Amigo,, on a 93 chevy truck 4l60e transmission, eas rebuilt,, but still hits hard from park to drive,,, “ once u select D it jumps/ hits hard

[@onenewworldmonkey]

At 9:07 you show where to put the check balls. The #2 in the manual doesn't show a ball, yet you put one there. I read the comments and didn't see anyone bring it up. I know this was years ago. I wonder how it worked out. I'm learning all I can because I'm going to have to do something like this. Other videos mention to not put the check ball in #2. I don't understand. Good job making this video BTW.

[@TheDrivewayEngineer]

Not all models have a check ball in that spot. Doing these mods you never have to put it there. This transmission is still in my truck and functioning well.

[@jasonjennings5833]

Carefully set them aside. Fucking love it.

[@amadeusgonzalez3]

Do you have to have high horse power to do the accumulator delete or can you do it on a stock 5.3 ls

[@TheDrivewayEngineer]

I do it to every 4l80 I build

[@joseb1700]

Hey jr I need a harness for my 03 60 4l80 ls swap n I have no harness I have a comp blue green . Can I make a 04 5.3 4l60 nearness work for my build?? Can get one real cheap complete thnx in advance

[@TheDrivewayEngineer]

Yes, nothing changes for the 6.0, the 80 is just a plug and a couple pins changed

[@joseb1700]

The Driveway Engineer does it matter what the plug colors ? thnx a lot brothere

[@TheDrivewayEngineer]

@@joseb1700 03 and 04 should be the same colors. The colors need to match

[@joseb1700]

The Driveway Engineer ok

[@dinkplayer3238]

That looked like a pritty big turbo sitting by the compressor,where did u get it ,off of?

[@TheDrivewayEngineer]

It's a GT45, 170 dollars on Ebay

[@kevinhumphrey932]

Why did you delete the accumulator cups? Thank you

[@TheDrivewayEngineer]

Because I don't want anything other than the VB and PCM affecting shift timing.

[@kevinhumphrey932]

@@TheDrivewayEngineer thank you I've watched alot a videos on the 4l80e transmission and I must say I've learned alot about the transmission and rebuilding it I'm building a 6.0 with twins using the 4l80e trans I hoping to get around 700hp would the accumulator benefit my build if I were to do it on my 4l80e it's going to be a street car and possibly a few weekends at the strip thank you for the quick reply

[@ms2202018]

Wear can I get the budget stall for the 4l80e

[@TheDrivewayEngineer]

In The Driveway Engineer Facebook group is a member named Ryan Jan's, hit him up

[@rustysausage69]

No such thing if you're buying new for 4l80 unfortunately. CircleDSpecialties is a pretty good somewhat inexpensive option but its still $700, as you probably know its easy to spend 2K on a converter. You could always take a stock converter to a GOOD transmission rebuilder and have em re-stall it. I had my CircleD 278 restalled and my 500hp 3000 stall chevelle feels almost no different from a 200hp 1800 stall car when i don't floor it.

[@TheDrivewayEngineer]

Circle D is a trash restalled 4l60 converter, my converter from Ryan is smaller, lighter, more efficient... And was 500 bucks shipped to my door.

[@rustysausage69]

@@TheDrivewayEngineer figures why my builder said i should get it restalled lol

[@TheDrivewayEngineer]

@@rustysausage69 there's only so much they can do in the 278mm size. It was ok a few years ago, but they have better stuff out there now.

[@Nutflame55]

How does the trans go kit dual feed the direct

[@TheDrivewayEngineer]

Through the separator plate.

[@Nutflame55]

but the separator plate is the same

[@Nutflame55]

I did all of the modifications except for the accumulators now I don't know how many check balls to use and where

[@Nutflame55]

What happens when you do this plus the trans go kit

[@TheDrivewayEngineer]

You waste 140 bucks. Or maybe it's twice as gooder

[@xsterawesome]

This was anything but "a long boring video". But I'm confused what does an accumulator delete plate do exactly?

[@TheDrivewayEngineer]

Well it deletes the accumulators lol. The way a stock transmission shifts, some stuff moves around, and fluid is allowed to pass to the next gears accumulator. So if you're in 2, fluid starts building up in the 3 accumulator before the actual shift. There's a spring, that I show briefly, whose pressure needs to be overcome before the shift from 2-3 can take place and finish. If you delete the accumulator, when the checkball moves for a 2-3 shift, it happens. Right now. Done. No slip. No lag. People try to mess with this in tuning by zeroing out shift times. Transgo messes with the spring pressures. J.R. just likes to throw them in the trash. Now, I have a 3400 rpm converter, so my shifts with the shown hole sizes and no accumulators, will shift softer than the same set up on a stock converter.

[@xsterawesome]

@@TheDrivewayEngineer Oh I get it, it doesn't make the transmission handle any more power, it just makes your acceleration a little bit quicker. Can you do this kind of thing on Lower powered vehicles?

[@TheDrivewayEngineer]

The accumulator delete does not add power capacity, the holes drilled do. You can do it at any power level.

[@xsterawesome]

@@TheDrivewayEngineer Okay thanks, I know very little about automatic transmissions, but now I know a little bit more.

[@amadeusgonzalez3]

@@TheDrivewayEngineer what happens if you don't got 700hp but still drill out the pump and not do accumulator delete on a stock 5.3

[@johnparrish9215]

Sir, a question if I may: I'm going to be building a 4l80e without electronics and set up as a full manual shift only transmission. Are all of your modifications compatible with that??? I think they are. Also, I am thinking about converting the case to accept a vacuum modulator for part throttle shifting, is this also compatible???

[@TheDrivewayEngineer]

Yes they are

[@osipchukdennis2683]

Would this work for a 4x4 truck?

[@TheDrivewayEngineer]

Yes

[@osipchukdennis2683]

@@TheDrivewayEngineerif i have a stock transmission w/ stock internal components. will it damage anything in transmission itself if i delete accumulator? Trans is a 4L80E with no modifications

[@Nutflame55]

Please don't kill me I am truly curious the stuff in this video cost more than the trans go kick so what's the point

[@TheDrivewayEngineer]

No point at all, do the Transgo, stop watching this

[@Nutflame55]

@@TheDrivewayEngineer then I would have to put the seals back in .just tell me if I should use the springs on the accumulator from the trash go kit .and the Boost valve from the trans go kit. will it work that's all I am asking since I already got it will it work

[@mrwhite2628]

That is not a Gerotor pump. And a 350 does not have vanes.

[@dannyloredo3290]

just rebuilt my 4l80e and 1st gear won’t shift if I don’t let off the gas all the other gears shift fine

[@thewhitebox6907]

same here, figure out the issue?

[@StreetRacingLifeStyle]

I blew the front seal out of mine! 😭

[@TheDrivewayEngineer]

That sucks, it's not expensive, but dropping the thing, booo

[@coleschott007]

my nail broke off in the case

[@marcstlaurent3719]

Great job , thanks