What is the difference between 302 and 351w heads?

What is the difference between 302 and 351w heads?

On a 302 (or smaller c.i.d.) blocks, the distributor mount is almost flush with the top of the block (where the intake sits). A 351W block is taller. So, the distributor mount is below the block surface where the intake sits. There is also more space between the water passages and the cylinder heads.

Can A 351W head be used on a 302?

The 351W heads will bolt right on. You use the 302 intake. There are some things that you will have to address, though. The 351w heads use 1/2″ head bolts vs the 302 which uses slightly smaller 7/16″ bolts.

What’s the difference between a 289 and a 302?

Despite the 302’s close relationship with the 289, there is some difference in cylinder-head castings. The elusive 1968 302-4V head is unique for its smaller 53.5-cc chambers, which increase compression. Compression is this cylinder head’s only advantage.

What kind of cylinder head is a 1975 Ford 351W?

A closer look at the 1975 351W head casting shows the “WCP” and “351” markings. When you are shopping for 351W cylinder heads, focus on 1969–1974 castings with the 60-cc chamber and 1.840/1.540-inch valves. By 1978, the 351W head was noth-ing more than a 302 casting with smaller 1.780/1.450-inch valves.

What kind of head does a boss 351C 4V have?

The 351C-4V head has bolt-fulcrum, stamped-steel, no-adjust rocker arms. The Boss 351 head has screw-in studs and guide plates, and it has the same D1AE-GA casting number meaning both have the same head casting, but are machined differently. The 351C-4V head made the Cleveland famous for huge amounts of high-RPM horsepower and torque.

Will 351W heads fit a 302?

The 351W heads will bolt right on. You use the 302 intake. There are some things that you will have to address, though. The 351w heads use 1/2″ head bolts vs the 302 which uses slightly smaller 7/16″ bolts. ARP sells special reducing washers to fill the gap and to keep the bolts in line.

What’s the difference between a 302 and A 351W?

A 351W has a taller deck heigth 9.5″ inch vs. 8.2″ inch for the 302. Also, it has larger diameter crank journals and a wider intake manifold. The distributor is taller and it features 1/2″ inch head bolts instead of the 302’s 7/16″ inch head bolts.

Does Boss 302 have Cleveland heads?

The Boss 302 used Cleveland type heads . If it is a Boss 302 it will have screw in core [freeze]plugs and will be a four bolt main block. I beg to differ! I had one!!

Are 302 and 351 blocks the same?

The blocks are the same . You need 351 crank and rods to convert. If you want a really free revving 351, use the 351 crank, but use the 302 rods, as they are longer. In order to do this you however need a special piston for this with a higher pin height.