welcome aboard crazyd wv.... yes it should be a TH350 and shift kit depending on the performance level you choose will greatly improve the trans. What part of WV are you from? as it take the wv in your name meaning West Virginia. As for your Yellowbird.. would love to see pics of it, I have not seen many Yellowbirds... mostly Blue and Red. You will find our site to be entertaining and educational. Thanks for joining our little community.