I have an f150 that is a 1978 but some parts are 1979. why?


Asked by Nov 03, 2007 at 02:50 AM about the 1978 Ford F-150

Question type: General

My 1978 ford f150 has square headlights and other parts that are from a 79.  I am just wondering why.  Also did they put the 351 modified into the 78?

5 Answers


Some car manufacturers use parts from past year models, it is still done today. Though you may have a truck that was repaired in the past using 79 parts. Im not sure on your engine question. Myabe some Ford truck fellas can ring in on the answer.

1 out of 1 people think this is helpful.

I believe the 351 was an option. Krez is exactly right, the use of leftover parts is common practice among auto manufacturers in similar model years.

1 out of 1 people think this is helpful.

also wndzman, if ur 1978 has a late in the year mfg month (see door panel) that could b the reason for the next year model parts. i can find no evidence of the the 351 modified being put in the 1978 from the factory, but i do think there were a limited number of 351 detroits in 1978, but i could b mistaken on that

1 out of 1 people think this is helpful.

I have a factory original 78 with a 351M.


Ford used to do this a lot. Thats why you don't have to worry about matching numbers on Fords. As long as you have the right engine size with that year model number you are good. I had a 69 Fairlaine with a C4. The casting number on the trans case was C60E, which is 1966 and the car had never been touched before I worked on it.

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