what crossmember for sm465 np205?

[Bigbad87blazer]

hey yall, im trying to do a sm465 np205 swap on my 87 k5 and for the life of me cant figure out what transmission crossmember i need. i read a few forums/posts on which crossmember i need but i still don't know which one i need. for context, i have a 6" suspension lift and currently have a 700r4 np208 combo. please correct me if im wrong but im pretty sure i need a slip yoke style 205 if i want to keep the same rear driveshaft length. any tips or tricks would be greatly appreciated for making this swap easier!

 

[sweetk30]

do you have 1 mount for the t-case adapter or 2 separate bushing mounts ?

the short adapter / 1 big mount - w-crossmember 85-up .

the tall adapter / 2 smaller mounts - flat crossmember 84-older .

go for a fixed yoke 205 on the rear cause you are going to need a c/v driveshaft for a 6" lift on the blazer and it will require a flat flange in place of the yoke . look up the ford super duty front c/v shaft guys are using . i did one in a blazer build and worked great . and there a 1ton 1350 c/v head and junk yard cheep find and shorten the tube .

 

[imiceman44]

hey yall, im trying to do a sm465 np205 swap on my 87 k5 and for the life of me cant figure out what transmission crossmember i need. i read a few forums/posts on which crossmember i need but i still don't know which one i need. for context, i have a 6" suspension lift and currently have a 700r4 np208 combo. please correct me if im wrong but im pretty sure i need a slip yoke style 205 if i want to keep the same rear driveshaft length. any tips or tricks would be greatly appreciated for making this swap easier!

Your 87 should have the same crossmember you need for the 465/205 as long as the setup came from a 85 or newer