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818-678-3001
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CYLINDER HEAD ID FROM CASTINGS |
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331 |
354 |
392 |
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| Early 331 has no water passages. Otherwise interchangeable with 354. | Has water passage but notice height of intake port from deck level. | Has water passage. Intake port height is level with deck surface. | |
BLOCK IDENTIFICATION FROM CASTINGS |
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331-354 |
392 |
MARINE/ INDUSTRIAL |
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| Water pump bolt holes are very close to deck of block. | Has water passage but notice height of intake port from deck level. | Additional water outlets/passages. Not good for street use. | |
| Early 331 has cast in bell housing. | 354-392 blocks have removable bell housing. | ||
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OIL PAN RAIL |
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'51-'54 331 |
'55-'58 331-354-392 |
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1957 & LATER 354 TRUCK ENGINES |
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The 1957 & later 354 engine uses a rear main cap (which is where the oil pump mounts) similar to a 392 Hemi. See figure 2. These engines will use 392 oil pumps/adapters, etc. If in doubt check cap height as shown in figs 1 & 2 |
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