yea a 390 will fit i got a 390 in my 79 they run good as hell to
No the 390 is a big block the 302 is a small block.
will a 1973 ford f-2504x4 chassis fit a 1979 f-250 4x4
no
no
Yes it will
First engine ? 5.8L v8? no mounts are different between both now tranny is it 5sp or auto
no
285/75 copper Discovery ST max will fit with out any lift
i have a 390 big block with a 4 speed in my bronco 2
Yes, I have 285/65R18 trail grapplers on mine with no rubbing either.
Will a 35 inch tire fit on a stock 1979 F250 4x4
NO! the m50d r1 has a married bellhousing wich is dezigned for the 4.0 ohv and sohc motors even if you have the 4.2 v6 theyre still diffrent