How to: Setting clutch pack clearances (th400/4L80e)

How to set/check clutch pack clearances

[@rdub79lx]

Now I need to back and recheck my clearances on my fwd and direct clutch packs. I used a dial indicator, but now I see that was wrong. First time in a trans and I'm learning a lot.

[@mmcneil1939]

Exactly the video I have been looking for!! Thanks!

[@Project10sec]

Vid longer that 30 sec. great knowledge too. Thanks

[@jesscneal]

Great info Cameron. Happy new year-

[@georgegutzmer7008]

TANKS for this info and for me the first word is correct

[@The980Junior]

Awesome video!!

[@eddenty2995]

What mounts do you run in this car? I've seen the adapter plates and mounts advertised for f100 swaps but wondered what the clearance with those would be like in a stock car.

[@unenslaver1333]

Thanks for the good info. You might have noticed that you used the word "tolerance" in place of "clearance" several times. I'm sure you know the difference.

[@steveflor9942]

Very helpful video. Thanks

[@keysautorepair6038]

So if you have enough room for another clutch and steel like 6

[@Noswolf]

happ new year sir o7

[@caliman823]

How important are these tolerances on a completely stock vehicle?

[@cameron878]

You'll want to follow the suggestions in an ATSG book. Too tight and it can drag clutches, too loose and it won't apply quick enough or over extend the piston and damage seals

[@sanger440]

Is there room to get the tip of the dial indicator onto one of the tangs on a clutch disk? Then lift up the disk with a pick and measure clearance.

[@jaredmayer3960]

Way too extreme.

[@CarportGarageDragRacing]

I am at Intermediate .060, Direct .050, and Forward .025 is that OK or do I need to tighten up the Intermediate and loosen up the Forward?

[@cameron878]

Those are all probably fine and would work, however, I’m weird those tolerances would probably keep me awake. I’d get forward up to .040-.050, intermediate down to .040-.050, and direct up to .055-.060. But like I said, those tolerances are would work.

[@luckautofab4461]

You mess with 6l80/6l90s much?

[@cameron878]

Kevin Luck we’re starting to see a lot of them. Done a lot in stock trucks, couple performance ones

[@dogpatch8266]

i guess your system works if you eliminate the wave plates.