904 race build

So I got into this trans and in our big hurry to get back racing we must have forgotten the thrust washer in the planet's. Not sure if this affected how it shifted into 3rd but who knows.

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So just an update,
I have installed a ati sprag,billit servos, 4.2 lever,multi front drum spring,blue frictions when done,red front band,kevlar rear band,new pump gears.
Dropped off pressure plate at machine shop to have .025 taken off.
Still debating purchasing a low band apply vb but still not sold on it.What brand company would you all recommend?
I have aluminum four pinion planet's from another case but not sure how they hold up?I just put the rear planet gears on a scale steel versus aluminum and they are one pound different. Thanks guys for all your help it's appreciated.