Hello

I am thinking of getting a 1985 f150 not sure on the trim yet but I want to swap the engine in it if I do i would prolly buy a new motor for it but not sure as to what will fit in it any answers would help out alot!

 

302, and any of the 351 blocks will fit with no issue.

Can't answer for the 429 or 460.

If you have the straight six you of course will need new mounts.

 

It could be a 351 big block or a small block? They both will fit?

 

351w is "small blockish" as it has the same bell pattern as the 240/300 and the 302 motors.

Serving suggestion: Get the truck and drive it as it sits before you plan on a swap. You might find it has enough power for what you need.

Almost anything automotive will "fit".

 

I have a 351W with a C-6 in my 85 F150, the back of the block clears the firewall with no problems, with the air cleaner off I can see the top of the transmission with no problem

 

What exactly do you want in a motor? Sbf only have a few stock transmissions that are a straight swap without major modifications. 351w is a great truck motor and should fit many applications.