Sleeve

[RGV72BLAZER]

Which t-case setup requires the coupler sleeve? I'm finally re-re-re-installing my 700R4-203-205 setup in & just want to make sure there isn't one required...It's using a 203 adaptor & Fitzall spacer.

 

[nvrenuf]

I've never used your set up myself but I'm fairly familiar with the parts. You should be using a th350 version 203 which is female so you shouldn't need a coupler. I would think it should be -

700r4/spacer/th350 adapter/203/doubler adapter/205.

 

[RGV72BLAZER]

Yep that's what I got. I guess I just misread something somewhere. When is the sleeve used?

 

[nvrenuf]

Sleeves are used on early 465/205 and all th350/205 combos. Afaik, none of the GM 203 combos used a sleeve, they're all female input.