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[u_say_go]

New TH350 trans wont shift into R, D, or 2. Using Lokar shifter, everything there is working properly.
Filled torque converter with quart of fluid, filled trans with 9 quarts of fluid, slowly went thru each gear at idle.
Car will go into low gear but that's about it.

Any thoughts or ideas?

[Russ Jerome]

Problems before servicing the trans? Is it a fresh install?

Reverse requires the highest line pressure, low1 requires the lowest. Low line pressure can be simply extremely low fluid, is the trany making a whining or buzzing noise?

[u_say_go]

vacuum supply is coming off the back of the carb, I noticed a lot of guys are running it off of the manifold.
No whining or buzzing noise...although after running the car for a while when we turned it off we could hear a "gushing" sound, or a draining sound in the transmission. nothing is leaking.

[Sprayaway Fox]

Valve body gaskets could be or checkballs could be in the wrong place. Does this have a shiftkit in it?

[Holeshot]

From Alldata with your description of problem

#1 Governor valve may be sticking.
#2 Driven gear in governor assembly loose, worn or damaged. If driven gear shows damage, check output shaft drive gear for nicks or rough finish.
#3 Control valve governor feed channels blocked, or gaskets leaking. 1-2 shift valve train stuck closed.
#4 Check case for blocked governor feed channels or for scored governor bore which will allow cross pressure leak Check case for porosity.

[u_say_go]

removed shifter today and moved linkage coming out of transmission by hand...no resistance at all. something is f**ked in there. pulling trans out of car this week and letting someone else deal with it.
any suggestions on shops/people who would be CAREFUL handling it?