Will 351 Cleveland heads fit on a 351M?
yes the heads will bolt on no problem. the 351C, M and 400 are all the same family, just that the 351M and 400 are taller deck heights then the 351C is.
Are 351M and 351C heads the same?
Because the 351C and 351M/400M are from the same 335 engine family, many things are interchangeable. Heads are interchangeable with Clevelands so any stock Ford casting or aftermarket aluminum 351C head will work on a 351M/400M.
Can you put 351 Cleveland heads on a 400M?
Its custom spacers allowed us to run an Edelbrock Performer RPM Air Gap (351C) intake on the 400M. These same spacer plates (if the ports were sized properly) would allow you to run any two-barrel or four-barrel manifold currently available for the 351C.
How much HP does a 351M make?
Factory Power Ratings
| Model Year | Engine | Horsepower @ RPM (SAE net, except ’71) |
|---|---|---|
| 1978 | 351M (car/truck) | 152 @ 3400 / 156 @ 4000 |
| 1978 | 400 (car/truck) | 160 @ 3800 / 158 @ 3800 |
| 1979 | 351M (car/truck) | 151 @ 3400 / 156 @ 4000 |
| 1979 | 400 (car/truck) | 159 @ 3800 / 159 @ 3800 |
What is the difference between 351C and 351M?
The 351M is part of the same Ford 335 V8 engine series as the 351 Cleveland. It’s based on the 400 Modified engine (see note on nomenclature in the opening paragraph), which was essentially a 351C with a longer stroke. Unlike the 351C however, the 400 blocks had the bellhousing bolt pattern of 385-series big blocks.
What does the M in 351M stand for?
Modified
Some claim the “M” stands for “Modified” – being modified from a 400-V8 with a shortened stroke – though others claim that the “M” refers to the Michigan Casting Center, where the 351M began production.
What is the difference between a 351C and a 351M?
Will a 351C intake fit on a 400m?
Most are for using a 351C-4V head on a 400, and then using a 4V manifold. Those 351C High Rise Intakes are probably for a 4V head, and will not readily mate to a 2V head.
Is a 351M A Big Block?
Other Differences. The 351C used the “Small Block” bellhousing bolt pattern. The 351M/400 used the “Big Block” bellhousing bolt pattern.
How much HP does a 351 Cleveland have?
Factory rated at 330 hp at 5,400 rpm, this new engine was the highest output that this engine family would see. Other 351 performance engines would follow, but none would match the Boss 351.
Is a 351C a Big Block?
on February 23, 2022. In the 351C, there were a number of bellhousing bolt patterns called “Small Block”s. Using the “Big Block” bellhousing bolt pattern, the 351M/400 engine achieved the same performance….Is The Ford 351 A Big Block Or Small Block?
| Ford small block | |
|---|---|
| Configuration | 90° V8 |
How much horsepower can you get out of a 351 Cleveland?
The 351 was available as a two-barrel which was a basic engine and a four-barrel, or performance, engine. The two-barrel was rated at 240 horsepower while the four-barrel was rated at 285 horsepower.