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  1. NickTransmissions

    4L80 on FB Market Place

    Thanks, Craig!! I may go to the junk yard today to look for another one...Assuming I pull it, the yard sells those for $225.00 out the door w/sales tax...I typically disassemble them in the yard to make sure all hard parts are good, then slap it back together before I pay for it.
  2. NickTransmissions

    4L80 on FB Market Place

    I grabbed this clean 2000 MY Goodwrench 4L80E from my hard parts supplier for $400, also a solid price relative to the going 'core' rate around here.
  3. NickTransmissions

    4L80E W.O.T. 2nd gear up shift

    Assuming it's not a controller/electrical/electronic issue, the problem sounds like either a minor cross leak in the 2nd gear circuit or the 1-2 shift feed orifice isn't large enough given what you're trying to do, engine power, cam profile, rear gears and converter stall. I'd also wonder if the...
  4. NickTransmissions

    TH400 Direct Drum/Sprag Question

    Use a 3/8" cup plug, red loctite around the OD. These should be available online. That portion of the dual feed process where i install the cup plug should be in PT3 of the "4L80E high performance" video series (yellow transmission). If the bearings are in good shape it's fine to reuse unless...
  5. NickTransmissions

    TH400 Direct Drum/Sprag Question

    Yes, always - unless bushing kits are not available for a given unit (ie FMX, last time I checked). You wont have that particular issue with the GM long. 3 speeds like the TH400. They are hard on bushings, always replace the existing ones. Drive the rear case bushing in from the rear so it's...
  6. NickTransmissions

    I added dex 6 to dex 3. Was that dumb?

    Dex 6 is backwards compatible with anything that took Dex3 so should be fine...
  7. NickTransmissions

    TH400 Direct Drum/Sprag Question

    Never ever reuse frictions if going back through a transmission, that's flate rate tactics....Flat rate shops fix only what has already failed, leaving everything else in, regardless of wear, so that the other comsumables fail shortly after their 30-90 day warranty expires. This puts the...
  8. NickTransmissions

    TH400 Direct Drum/Sprag Question

    I cant remember what i used in that video but if you can locate the bearing using the TH400 rear case bushing then roll with it. I may have been thinking of the 4L80E rear case bushing in my initial reply as that bushing is much narrower than the pump body bushing. FYI - quote my posts or...
  9. NickTransmissions

    TH400 Direct Drum/Sprag Question

    No, do not do that. Buy the early 4L80E pump body bushing. Those bushings are cheap, dont worry about any bushings you may already have, just set aside... I linked the set on ebay above (click on the link in bold) - it's pricey but will allow you to install all the bushings correctly with...
  10. NickTransmissions

    TH400 Direct Drum/Sprag Question

    You're welcome. I use a bushing driver for that size bushing from the Kent Moore TH400 bushing R/R set...I wouldn't recommend using sockets for them as you you'll likely ruin the bushing...Check out my TH400 bushing installation video for tips/pointer when it comes to bushing installation...If...
  11. NickTransmissions

    TH400 Direct Drum/Sprag Question

    No idea on the part number as I buy them all from my local hard part suppliers but you can get them on eBay as well - click here for an example.
  12. NickTransmissions

    4L80 on FB Market Place

    I can only speak for me but a solid, comprehensive rebuild (stock to mild/moderate performance or duty use) with my usual updates/upgrades and new torque converter is $2750.00 for all years 4L80E. Cost to install the controller would be a product of book labor time (hrs) and rate. Here, our...
  13. NickTransmissions

    4L80 on FB Market Place

    Id buy that in a heart beat, assuming it passes my inspections, if it was here in Vegas (id still offer a little less than asking price, to be clear)...That's a 99+ 4L80E so it has all the updates made to those units starting in 1997 and is preferred for high perf applications over the 91-96 units.
  14. NickTransmissions

    TH400 Direct Drum/Sprag Question

    Any 4L80E drum will work; the 97+ will have the bonded steel/rubber piston. Whether or not it's worth it will depend how heavy the loads will be and how often you'll be towing (per your desc it's not strictly speaking needed atm). Like Matt said, dual feed the direct clutch, rollerize the rear...
  15. NickTransmissions

    4L60E Information Thread (Includes 4L65/70/75)

    Yep - that's the Gen1-compatible two-piece case 4L60E - note the lack of a 12 oclock bolt hole, compared to the LS/Gen3 SBC 4L60/65/70s, example shown below...Compare the input shaft on yours to the one in the pics below.
  16. NickTransmissions

    4L60E Information Thread (Includes 4L65/70/75)

    Do you have a picture of the front of that two-piece 4L60E by chance? My guess is that it was a Gen1 SBC two-piece case, those were produced for pass cars and trucks between 1998-E2000, had the Gen1 SBC bell housing bolt pattern (no engine-bell bolt hole location at the 12'oclock position)...
  17. NickTransmissions

    Undertightened cork gasket on TH350 and whole thing flooded, clean and reuse?

    DO NOT USE CORK! A standard composite gasket is fine. Bolt toruque is 13 ft lbs. No RTV, either. If you have to use it, something's wrong.
  18. NickTransmissions

    1984 k10 700r4 won't shift out of 2nd please help!

    4L80E all the way; the 6Ls cost nearly twice as much to build for any given application, especially when power levels exceed more than 50% beyond stock...
  19. NickTransmissions

    '76 with stock 12 bolt question

    You'd need to tell us how much power the engine will be making (ballpark) and how you plan to use the vehicle. If power goes way up, Id go to a 14 bolt FF.... What transmission will you be going with?
  20. NickTransmissions

    Performance 700r4 rebuild

    That sucks, man - sorry to see...i had a similar situation a month ago - found out the stator support was warped. Had to cannibalize another 700R4 core to put that pump back together.
  21. NickTransmissions

    TH400 Information Thread

    Then a quality build with a rollerized output thrust, Sonnax LB1-TH400 kit, feed orifices enlarged a tad per your preferences along with the usual stuff (clutch module, new seals, sealing rings, o-rings, etc plus detent solenoid) should be sufficient...I'd have him install 4L80E center support...
  22. NickTransmissions

    What have you done to your square lately??

    You're welcome, man - anytime...
  23. NickTransmissions

    TH400 Information Thread

    Install Alto high energy frictions, Sonnax TH400-LB1 boost valve kit, dual feed the direct clutch, drill the spacer plate per application, shift firmness preferences and converter stall. If pushing more than 500 hp, id also install a billet rollerized forward clutch hub. Rollerize the rear of...
  24. NickTransmissions

    Performance 700r4 rebuild

    Those rarely leak...try tapping it with a drift to reseat the check ball to see if it stops leaking...If not, replacement is easy as I'm sure you know.
  25. NickTransmissions

    Performance 700r4 rebuild

    @Wumbo - For some reason this website isn't letting me quote but the round hole rev input drums are obsolete so yea, was def a cost cutting measure...Not the end of the world, just odd to see in one of their transmissions...Also odd to see Z-pack as it's the one Raybestos product that is...

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