This topic contains 1,161 replies, has 48 voices, and was last updated by Profile photo of cava454 cava454 3 weeks, 2 days ago.

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  • #22447
    Profile photo of Immortality
    Immortality
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    Member since: August 31, 2015
    Posts: 532

    Isn’t the 4L80e basically the electronic over-driven version of the T400?

    #22448
    Profile photo of cava454
    cava454
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    Isn’t the 4L80e basically the electronic over-driven version of the T400?

    yeah pretty much what I can tell so far. Wonder if it suffers the same issues with as the t700 and the 4l60e where they destroy 4th when it engages at WOT?????

    #22449
    Profile photo of doz10
    doz10
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    Member since: February 9, 2016
    Posts: 125

    I don’t think they’re as pathetic as a t700 or 4l60 cav, they were originally used in the big yank trucks and people movers so aswell as handling a fair amount of power they were used in some pretty heavy vehicles aswell, think h1 hummers and silverados, so if you’re putting it into something as featherweight in comparison as our commodores I don’t think they’ll have to much trouble even with bulk power, just like the t400 and glides you can buy all heavy duty parts and build them as strong as you need

    #22450
    Profile photo of Immortality
    Immortality
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    Member since: August 31, 2015
    Posts: 532

    Isn’t the 4L80e basically the electronic over-driven version of the T400?

    yeah pretty much what I can tell so far. Wonder if it suffers the same issues with as the t700 and the 4l60e where they destroy 4th when it engages at WOT?????

    I doubt it. As said elsewhere, the 400 was used in all the heavy stuff and should be tough as nails.  Standard sedan type vehicles got the 350 which is fairly good too but not enough for your blown donk.

    Talk to HQ368 on the AV8 forum.  He knows his transmissions.

    #22451
    Profile photo of cava454
    cava454
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    Member since: February 20, 2015
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    Isn’t the 4L80e basically the electronic over-driven version of the T400?

    yeah pretty much what I can tell so far. Wonder if it suffers the same issues with as the t700 and the 4l60e where they destroy 4th when it engages at WOT?????

    I doubt it. As said elsewhere, the 400 was used in all the heavy stuff and should be tough as nails. Standard sedan type vehicles got the 350 which is fairly good too but not enough for your blown donk. Talk to HQ368 on the AV8 forum. He knows his transmissions.

    i have been. I try limit how much I ask and bust his chops. He will most likely build my box.

    #22454
    Profile photo of [TUFFVQ]
    [TUFFVQ]
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    Member since: March 2, 2015
    Posts: 171

    Not sure if you watch the Sloppy Mechanics channel, but Matt is running a dead stock 4L80e with a Transgo shift kit the only mod with 1075rwhp.

    He claims to have never used anything other than stock OEM high km trans with a shift kit on any of his builds (multiple turbo LS combos over 700rwhp).

    #22455
    Profile photo of cava454
    cava454
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    Not sure if you watch the Sloppy Mechanics channel, but Matt is running a dead stock 4L80e with a Transgo shift kit the only mod with 1075rwhp. He claims to have never used anything other than stock OEM high km trans with a shift kit on any of his builds (multiple turbo LS combos over 700rwhp).

    nah I haven’t but fuck me that’s mint

    #22458
    Profile photo of cava454
    cava454
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    So my tuff mount xmember rocked up today and I went and purchased my rubber trans mount. All up $180. So not too shabby.

    Hopefully get my extension housing tomorrow then I can boot in box and box the tubs.

    Also finaihed drilling the holes for the shifter. 5mm stainless is a PITA.

    But it’s done and bolted in. Just needs wiring and cable setup. But it’s 80% done. The hard part at least.

    #22494
    Profile photo of cava454
    cava454
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    Had a play last night. Mate come over and helped me get the guards back on.

    I pulled all the wiring back into the bay as now it’s going to be place under steering wheel.

    Ill have to notch the reo on the bumper to get that back in as it’s touching the W2A HX.

    Also put all the interior plastics back in. Naturally I have 3 extra screw left over hahah fml

    #22496
    Profile photo of VRSenator065
    VRSenator065
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    • Adelaide SA
    • VR Senator LSx454 1960 Kombi (project) 1921 Nash Hot Rod (future project)

    • View build HERE
    Member since: February 17, 2015
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    Not enough pics on this thread…  A 4L80 is a great choice if you want overdrive.  It uses alot of the internals of the 400 so that’s why its described as a 400 with overdrive totally different to 60/65.  But this thing is pretty much a race car for the street isn’t it?  Do you really need o/d, otherwise you are carrying weight for nothing.

    #22503
    Profile photo of cava454
    cava454
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    Will get snaps when bumper is back on which should be later.

    It will be driven on the street a lot. Going Od i can then step up to a 4.11resr ratio which will help racing.

    #22511
    Profile photo of cava454
    cava454
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    Got the box in before the footy

    T400 vs Powerglide comparison. Size wise is drastically bigger, a lot heavier and will take more HP to spin, but ultimately will make the car faster down the track which is what it’s all about

    Box in with Tuff Mount bracket and factory rubber mount.

    Shifter all bolted in. Plastics all in and adjusted to their appropriate places. Just need to get a leather boot cover made

    Also got a chance to align the engine and have everything sitting correctly. Now I can send it off the the fabricator and get some goodies made. 👌👌👌👌

    #22515
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    gtrboyy
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    Member since: January 20, 2016
    Posts: 201

    Thoise tuff/crs trans mounts they’re basically done to suit trans combinations yes?

     

    th400 is good choice more vfm for the abuse they’ll take…seen 10.0sec tubbed vk do repeated transbrake skids on street,most fun ever.

     

    When does this return with fat bum mods? 28×10?

    #22516
    Profile photo of cava454
    cava454
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    Yeah they have different mounts to suit different combinations.

    Bolted striaght up. 0 issue s box was a pain to get it. Bloody tight in there.

    I just want a bullet proof box. Don’t wanna have to build it twice.

    I’ll call tomorrow and book it in. When??? I got no idea.

    Will be aiming to fit 275 radials. that’s similar to 28×10? I think lol.

    #22522
    Profile photo of Slow355
    Slow355
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    Member since: March 2, 2015
    Posts: 322

    Is it just me or is the trans mount bracket kind of flimsy looking? Swear every time i do my interior i have left over screws. And fits slightly differently togther every time

     

    munch munch ls1s for lunch
    Best 1/4 mile 13.1@105mph 60ft-1.8sec Reaction time .8 sec 0/100-4.8sec

    #22524
    Profile photo of VRSenator065
    VRSenator065
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    • Adelaide SA
    • VR Senator LSx454 1960 Kombi (project) 1921 Nash Hot Rod (future project)

    • View build HERE
    Member since: February 17, 2015
    Posts: 5 672
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    Is it just me or is the trans mount bracket kind of flimsy looking? 

    I agree. that’s why I ditched the one that came with my kit and used OE.  Flimsy and ugly imo.

    #22527
    Profile photo of cava454
    cava454
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    Member since: February 20, 2015
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    Nah it’s pretty good  a lot better then my CRS power glide one. I’ll snap the rubber mount before I snap the x member

     

    #22528
    Profile photo of VRSenator065
    VRSenator065
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    • Adelaide SA
    • VR Senator LSx454 1960 Kombi (project) 1921 Nash Hot Rod (future project)

    • View build HERE
    Member since: February 17, 2015
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    Still fugly but.

    #22537
    Profile photo of vs manta 218
    vs manta 218
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    Member since: March 2, 2015
    Posts: 796
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    My interia doesnt come out any more

     

    exspecially the dash facia since I sica flexed it in after it fell out onto me at 7000rpm from a 2nd to 3rd gear change half way down the drag strip then this dam 3 tonne v8 patrol come past me because I’m trying to hold my dash up so it didn’t rip my mechanical oil pressure gauge out

     

    should probley look at getting a new one some day soon but the sica is working great lol

     

    does anyone know if a 4l80e fits in a Vn-vs tunnel ?

     

    Know in the VE they fit but not sure on earlier models

    #22539
    Profile photo of doz10
    doz10
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    Member since: February 9, 2016
    Posts: 125

    That sounds like an experience having the dash facia flying out at you when you’re into it manta, the 4l80 is literally only 2-3″ longer and there’s no difference in width or height to the t400 except what looks like a box added onto the side at the rear which still shouldn’t be a problem to fit in a 2nd gen, we have a few at work and when I got my t400 buil I sat the side by side and couldn’t believe how similar they are to each other, the boss just finished building another 4l80, this time reverse pattern full manual trans braked for an 800hp turbo ls2 rock crawler patrol/hilux

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