What 351 was in 78 bronco

[Jeepeater]

I have a friend that has a 78 0r 79 bronco...he tells me it has a 351 in it and I can have it if I want. Is it a 351w or 351c?

 

[BUCKETOBOLTS]

Neither, it is most likely a 351M or 400. Similar to a Cleveland but has an 1" taller deck height.

 

[Broncobowsher]

Yep, it was the M.

 

[bax]

Didn't they have some W motors in those years? I bet it is a 351M

 

[Indybronco]

If it is displacing 351 cid it is most likely a 351M. I have seen a 351C that was transplanted in a 2nd gen Bronco and have heard discussion of someone swapping in a 351W but these latter two engines were never offered in the 2nd gens. Only the 351M and 400. The 351W wasn't available until 1982.

 

[bax]

If it is displacing 351 cid it is most likely a 351M. I have seen a 351C that was transplanted in a 2nd gen Bronco and have heard discussion of someone swapping in a 351W but these latter two engines were never offered in the 2nd gens. Only the 351M and 400. The 351W wasn't available until 1982.

That sounds about right

 

[BUCKETOBOLTS]

Up until the early '80's, the 351W was considered a car engine.

Anyways, if it is an automatic and has a W or C transplanted then the tranny would also have to be swapped. The M has the same bell housing as the 385 series 429-460. If it is a manual a simple bell housing swap.