how hard is it to install fi300 in 76 f250? at parts do i need to do install ,want it to look pro done>

 

I assume you mean the inline 6 300 cid engine with fuel injection. If so, it should be a bolt in swap as far as the engine goes. That block was offered in a carbed version in 76. Now the hard part. What engine and trans are there? Will you be swapping the trans from a doner vehicle? Do you have the entire vehicle to pull parts from?

The easiest way to do it would be to have a donor vehicle to work from. Then you have a matching trans, a wirning harness, the computer and other electronics, possibly the fuel pump and rear end.

It should be a do-able swap.