Join Date: Aug 2006
Location: Parker County, TX and Santa Fe County, NM
Mentioned: 2 Post(s)
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Re: F2 Toyota strait six motor.
The 2F is a great motor, and came stock in U.S.A. Land Cruisers from 1974 through 1987. It is a decent upgrade from the F motor that originally came in your 1970, the 2F has a better oiling system. There are few issues with the 2F, it's a proven platform. Like all the F-series motors, they're very heavy. There is a press-fit oil gallery plug in the head near the #5 spark plug that sometimes works its way loose, some people thread the hole and put in a threaded plug. Mine is still running on the original pressed-in plug with no leaks. You need to find out what year the motor is and figure out which distributor is in it.
In my opinion the 2F is the best motor to have in your FJ40, but there are lots of folks who put cheby motors and etc. in them (not to my taste). A properly set-up and maintained 2F will take you anywhere and last a long long time. The condition and driving satisfaction for your 2F will depend on the previous owner / builder of the motor. If it was done right, you will be very happy with it, but there's no way to tell from here if was done right. If it has good compression, doesn't burn or leak oil too badly, and runs good you are on the right track.
Good luck with your search / decision.