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  1. 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.
  2. 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...
  3. 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.
  4. 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...
  5. 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.
  6. 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)...
  7. 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.
  8. 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...
  9. 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?
  10. 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.
  11. 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...
  12. NickTransmissions

    What have you done to your square lately??

    You're welcome, man - anytime...
  13. 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...
  14. 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.
  15. 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...
  16. NickTransmissions

    TH400 Information Thread

    You're welcome, @DoubleDingo.
  17. NickTransmissions

    700R4 Information Thread

    I think there's a diagram for the transmission's internal wiring harness in the 4L60 ATSG manual - I'll pull it down and take a photo to post in reply a little later today.
  18. NickTransmissions

    TH400 Information Thread

    You're welcome - the below video should address all of your questions and then some - it's of my TH475 build up but otherwise is identical to how I'd build yours, other than maybe dual feeding the direct clutch (I didn't do that in the video) but it's very easy. Hot tank the case and all...
  19. NickTransmissions

    TH400 Information Thread

    @DoubleDingo - Yank and overhaul the unit...Sounds like all of your applied elements are worn but will be important on tear down to determine if the wear is simply normal for the mileage and usage pattern or if there are other causes like hard part wear/damage...Inspect the lip seals, their...
  20. NickTransmissions

    Performance 700r4 rebuild

    Does it say on the sticker on the case, when Hughes built that thing? Using a round hole rev input drum when the third design square hole was available would have been odd. I'm curious as to what valve body, accumulator mods were performed. Is this an aux valve body trans (87-93)? Were there...
  21. NickTransmissions

    Performance 700r4 rebuild

    I see, looks good...none of all that was apparent in your prev post so figured i'd mention it, if you were just doing a refresh which is how I interpreted post #2... What are you doing for the 3-4 pack (dont say "Z-pack")?
  22. NickTransmissions

    Performance 700r4 rebuild

    Replace the pump bushings, if you're not going to replace all of them. I like the Sonnax teflon coated rear stator bushing and their pump body bushing which can be used in the pump body and the reverse input drum (rear bushing). Also the input sprag - don't reuse the one that came out of it...
  23. NickTransmissions

    700R4 Information Thread

    Let's start with what I asked you above: Did you do a pressure test to confirm/deny TV cable adjustment is correct? Nothing else matters until you have done a pressure test. Conduct the test and post your readings at idle min-TV and full-TV. Here's some instructions for doing the test, along...
  24. NickTransmissions

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

    This is good information for folks looking to swap a 4L65/70/75E, as an alternative to a 4L80E, into a classic hot rod, resto-mod or other vehicle (Squarebody) with a built Gen 1 SBC or big block. Please update with the flex plate part number as that would complete the information chain needed...
  25. NickTransmissions

    700R4 Information Thread

    When was this trans rebuilt? Is it still under warranty from the shop that built it? The no-OD and no L/U may be related. For whatever reason, if you don't wire up the lock up kit correctly, sometimes the trans won't shift into overdrive...See this occasionally in 200-4Rs as well. That said...

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