350 Block ID

Greg Reimer 7376 · 11-06-2016, 10:30 AM

That 010-020 block supposedly had a higher nickel count so it would hold up in a truck. Problem was, they tended to be rather thin in places and a lot of them had a lot of core shift. They were real common at one time, I bought a crashed but fixable 71 El Camino, 350, 2 barrel,put a crate motor and a front end on the El Camino, painted it, and drove it for several years.I tore the engine down, and even though it was a 2 barrel, it had an 010-020 2 bolt main block.It was the original engine out of that El Camino,the VIN was on the block.It passed a sonic test, we filled it and went .042" over with it. I raced it a long time like that. Any more, by the time you buy 4 or 5 cores or junkyard engines and pay to clean and sonic test them all, a Dart block new in the box from Jegs' or Summit is about the same price, so that's a better deal. If your block sonics good, use it if you can.

11-06-2016, 10:30 AM	#6
Greg Reimer 7376 VIP Member Join Date: Nov 2008 Location: Glendora,Calif. Posts: 1,137 Likes: 172 Liked 719 Times in 220 Posts	Re: 350 Block ID That 010-020 block supposedly had a higher nickel count so it would hold up in a truck. Problem was, they tended to be rather thin in places and a lot of them had a lot of core shift. They were real common at one time, I bought a crashed but fixable 71 El Camino, 350, 2 barrel,put a crate motor and a front end on the El Camino, painted it, and drove it for several years.I tore the engine down, and even though it was a 2 barrel, it had an 010-020 2 bolt main block.It was the original engine out of that El Camino,the VIN was on the block.It passed a sonic test, we filled it and went .042" over with it. I raced it a long time like that. Any more, by the time you buy 4 or 5 cores or junkyard engines and pay to clean and sonic test them all, a Dart block new in the box from Jegs' or Summit is about the same price, so that's a better deal. If your block sonics good, use it if you can.