Small Block Chevy BLOCK # 3970010
Engine Block Casting Numbers
This is probably the most common 4" bore SBC Block cast. It has been used in many different applications. Only way I know to be sure of 2 or 4 bolt mains is to pull pan.SBC BLOCK # 3970010
Engine Block Casting Numbers
This is probably the most common 4" bore SBC Block cast. It has been used in many different applications. Only way I know to be sure of 2 or 4 bolt mains is to pull pan. I have had or machined many of these and they have a good nickel and tin content. I would take as many of these as I could afford just to keep on hand.
The 010's have always been considered to be a good block to use. Your block was used probably about as much as any Chevy block ever was used from April or May 69' through 75'. It came in 2 & 4 bolt mains and was used extensively in trucks. Also in Corvette, Camaro, Chevelle, Nova, Monte Carlo's and pass. Look at your oil filter housing and see if there is an 010
020
This will tell you that the block was made with an extra 1 percent tin and 2 percent nickel content. That means it's very desirable for a performance. Block. They have a good nickel and tin content. I would take as many of these as I could afford just to keep on hand.
The 010's have always been considered to be a good block to use. Your block was used probably about as much as any Chevy block ever was used from April or May 69' through 75'. It came in 2 & 4 bolt mains and was used extensively in trucks. Also in Corvette, Camaro, Chevelle, Nova, Monte Carlo's and pass. Cars. Look at your oil filter housing and see if there is a 010 or 020 stamped there.
This will tell you that the block was made with an extra 1 percent tin and 2 percent nickel content. That means it's very desirable for a performance block.
Engine Block Casting Numbers
This is probably the most common 4" bore SBC Block cast. It has been used in many different applications. Only way I know to be sure of 2 or 4 bolt mains is to pull pan.SBC BLOCK # 3970010
Engine Block Casting Numbers
This is probably the most common 4" bore SBC Block cast. It has been used in many different applications. Only way I know to be sure of 2 or 4 bolt mains is to pull pan. I have had or machined many of these and they have a good nickel and tin content. I would take as many of these as I could afford just to keep on hand.
The 010's have always been considered to be a good block to use. Your block was used probably about as much as any Chevy block ever was used from April or May 69' through 75'. It came in 2 & 4 bolt mains and was used extensively in trucks. Also in Corvette, Camaro, Chevelle, Nova, Monte Carlo's and pass. Look at your oil filter housing and see if there is an 010
020
This will tell you that the block was made with an extra 1 percent tin and 2 percent nickel content. That means it's very desirable for a performance. Block. They have a good nickel and tin content. I would take as many of these as I could afford just to keep on hand.
The 010's have always been considered to be a good block to use. Your block was used probably about as much as any Chevy block ever was used from April or May 69' through 75'. It came in 2 & 4 bolt mains and was used extensively in trucks. Also in Corvette, Camaro, Chevelle, Nova, Monte Carlo's and pass. Cars. Look at your oil filter housing and see if there is a 010 or 020 stamped there.
This will tell you that the block was made with an extra 1 percent tin and 2 percent nickel content. That means it's very desirable for a performance block.
