Are all SBC cam bearings the same size?

Are all SBC cam bearings the same size?

Just to clarify, the cam journal diameters are the same on all five cam journals on a small block Chevy. The cam bores in the block are not the same size, meaning the shell thickness on the bearings are different.

What’s the correct way to install SBC cam bearings?

Goatroper2 knows the correct way to install sbc cam bearings. Chevy engine manuals always have a paragraph that says to line up the oil holes with the holes in the block. That paragraph is a copy from the six cylinder section and is incorrect for the sbc. There are not any oil holes in the block to line the cam bearings up to.

Are there any oil holes in cam bearings?

There are not any oil holes in the block to line the cam bearings up to. There is a deep groove under the bearings. The only oil hole in the groove goes to feed the crank bearings.

Where are the oil holes in a SBC?

Chevy engine manuals always have a paragraph that says to line up the oil holes with the holes in the block. That paragraph is a copy from the six cylinder section and is incorrect for the sbc. There are not any oil holes in the block to line the cam bearings up to. There is a deep groove under the bearings.

Where do you put the oil hole on a block?

“On blocks without grooves behind the cam bearings, care must be taken to insure that oil holes line up between the bearings and block. Where the block has a groove behind the bearing, the bearing should be installed with the oil hole at the 2 o’clock position when viewed from the front for normal clockwise camshaft rotation.

Goatroper2 knows the correct way to install sbc cam bearings. Chevy engine manuals always have a paragraph that says to line up the oil holes with the holes in the block. That paragraph is a copy from the six cylinder section and is incorrect for the sbc. There are not any oil holes in the block to line the cam bearings up to.

Chevy engine manuals always have a paragraph that says to line up the oil holes with the holes in the block. That paragraph is a copy from the six cylinder section and is incorrect for the sbc. There are not any oil holes in the block to line the cam bearings up to. There is a deep groove under the bearings.

There are not any oil holes in the block to line the cam bearings up to. There is a deep groove under the bearings. The only oil hole in the groove goes to feed the crank bearings.

“On blocks without grooves behind the cam bearings, care must be taken to insure that oil holes line up between the bearings and block. Where the block has a groove behind the bearing, the bearing should be installed with the oil hole at the 2 o’clock position when viewed from the front for normal clockwise camshaft rotation.