Engine Mount Brackets


New member
Dec 27, 2021
1979 Chevy C10. Swapping out the I-6 250 for a New 350 Small Block purchased from GM Performance from Summit (it is a 2 piece rear seal).

Two questions:

1. The crate 350 long block did not come with engine brackets to bolt to the mounts and the I-6 engine brackets are not compatible. For my truck, what is the correct engine bracket?

2. The motor mounts bolt to frame brackets that have to sets of holes, a lower set and an upper set. They are about 3/8" different in height but the same pattern. The I-6 used the lower pattern. Does anyone know if the V-8 will use the lower or upper pattern?

Thanks in advance.

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