transsmission

New here got on site after starting my second nova project a basket 63 SS hardly any rust body great stock six with turbo 350 attached ( wrong torque converter for this application) but after 5 months of fixing what was not there or wrong it runs been driving it daily for two weeks now need...

i need a 200 4r crossmember for a 68-73 nova swapping out my th 350 for the OD, anybody have one laying around 100$ offering thank you.

Ok so ive blew my TH 350 transmission twice after swaping out my stock 8.2 rear to my now 8.5 10 bolt 3.73 posi rear. I understand that with the new rear my engine ran alot hotter and in higher Rpms. this has taken its toll on the trans. now im sure if i go the 700 r4 route ill have the extra...