TH400: TH475 Intermediate Clutch & Case Saver

[@andydurrett6222]

By far the BEST TH400 videos on KZbin. Thank you all the way from Lufkin Texas.

[@mountainsgarage]

Appreciate the nice words, Thanks!!

[@mickgrimes9078]

your videos are WAY better than most of the books out there. i went from being intemidated by all this, to being comfortable enough to build customer stuff. ive now moved onto learning about 4l80e. thank you!

[@BigFun4Life]

Keep the very informative videos coming Shawn.Much appreciated..

[@aubreychaparral32]

If you use the case saver, getting rid of the band, do you also get rid of the servo? Sorry first build haha

[@jeffcoatsc]

Do you have any experience with the Sonnax case saver, 34762-10? Its not a bolt in and only rides on the stud for the intermediate band. It just seems a little sketchy to me.

[@mountainsgarage]

Yes I have seen them, you have to grind the intermediate pressure plate to clear it. But it does allow the option of keeping the band.

[@jeffcoatsc]

@@mountainsgarage I have modified the pressure plate and installed it. I'm running a transbrake without retaining the band. Will it still work without the band holding it in place? Thanks for replying.

[@mountainsgarage]

@@jeffcoatsc Yes you can use it either way, but the other style is definitely better!

[@jeffcoatsc]

Thanks. I appreciate the help.

[@vrg69]

I have a 4l80 with a busted case what all can I use for my th400 and is the 4l80 out put shaft any stronger than the th400

[@mountainsgarage]

The shafts don’t interchange between the TH400 and the 80E.

[@scottschweger]

Videos are great, keep them coming. Can you show the procedure you use to remove the case pin to install the case saver center support. I have a case the pin just doesn’t seem to want to move. Got scared And was afraid I was going to break the case. Thanks!

[@mountainsgarage]

I will show that next time. I just hit it a few times hard with a punch. Once it moved with a hard blow its butter afterwards. Thanks!!

[@vrg69]

It would be awesome if you could do a step by step mods and assembly

[@mountainsgarage]

I have covered most everything in the many (70?) videos, but will continue to shoot more!

[@vrg69]

@@mountainsgarage thanks for all the info

[@BigFun4Life]

Shawn we’re can a person source those heavy duty snap rings.Thanks

[@tim1743]

Shawn.. Can you give us a walk around of your twin-turbo? I have a 68 Skylark, just swapped in a junk yard 5.3LS and GT35 twins, Blow-thru. Cheers!

[@mountainsgarage]

Check out the 1972 Nova Playlist on my channel. A work in progress!

[@jonesjeepsathiddenfallsadv7582]

Shawn wondered if you know if they make an intermediate pressure plate with a lug out for the case saver used with a front band. (since I'm 4x4 and need the 2nd gear braking) Thanks Keith

[@mountainsgarage]

The instructions with that style case saver say to notch it out. It would be nice if they were an option to buy.

[@jonesjeepsathiddenfallsadv7582]

@@mountainsgaragethank you I figured as much just wanted expert opinion. No instructions from Jake but I do like his Aluminum one same as the case lugs as apposed to sunnex metal. Thoughts? Keith

[@chriswhite9086]

@@jonesjeepsathiddenfallsadv7582 The Sonnax Case Saver #34762-10 allows you to keep the intermediate band for engine braking. I don't think there is a difference in the performance of the case saver being steel vs aluminum.

[@carltotillo8301]

Do you ever install the plastic ring between the carriers? I heard that it keeps lube inside the planetary gears.

[@mountainsgarage]

No, many don’t have it from the factory. GM called it a silencer ring, I don’t believe it has any useful purpose.

[@funfun8095]

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