Measuring for correct bearing size?

[biggyfan1]

I'm thinking about buying a used 302 from someone and the engine they want to sell is on a stand torn apart. The crank was pulled turned and the block freshened up but no bearings were bought for some reason. I want to put the motor together the correct way and make sure i have all the right size bearings so how to i accomplish this? How do i measure so i can buy bearings?

 

[Boydster]

Micrometer or calipers. Be sure you can measure to .000", not just .00". Thousands of an inch.

You can find the stock sizes in most any decent service manual.

 

[Rick 91GT]

A lot of times they will stamp the crank as 10/10 if it was turned. 010" atleast I do.

 

[biggyfan1]

So am i measuring the circumference of the crank where the bearing would go on? And if so i am assuming that's going to give me some sort of number like 2.231 bla bla bla right? so would that be the size of the bearings i need for my mains? Ive been searching for answers but i keep coming across info on how to plastigage but not how to determine what bearings i need on a bare block/crank.

 

[Rick 91GT]

Correct...stock will be around 2.24

I use and recommend King Bearings.