Can you make A manual valve body out of A 904 valve body.
If so how? Do you still need the kick down?

Yes and no. In that order. You can contact this e-bay vendor, he keeps them in stock for different years.
http://cgi.ebay.com/ebaymotors/ws/eBayI ... AMEWA%3AIT

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225

charlie,
can this be done on a 63 pushbutton? i ask because i have the ss 2bl and no kickdown yet. manual shifting a pushbutton sounds cool(long as i dont miss a button!!).........steve

Yes it can. I have a manual valve body in my PB trans in my 66 Cuda (not the original trans). The same company, listed about, has manual valve body kits, and complete manual valve bodies for the PB trans.
I would think manually shifting a PB with the buttons on the left side of the dash, would be a pain in the tookis. I have my buttons installed in a floor console.

_________________
Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225