Originally Posted by bk7794
...They only made them for a few years and parts can be sparse.
Don't forget they used them in the Rangers too. From what I can tell so far everything but the blocks interchange. And Ford sold a lot of Rangers.
I can tell you this, they will trash a head just as quick as the SPI if oil changes are neglected. (This true of any OHC engine) That's how I came about my '04 cheap. They are also hard to find used at a decent price...