6 banger identify

[barebones]

Hey guy's I put this engine in my ride .The story the guy gave me when I bought it was that he pulled it from a impala,don't know the year.Does anyone know what this engine might be or where the casting numbers might be

 

[dmw56]

It's probably a 250 but can't really tell could bea 230. HEI were first used in 75 but can be installed on earlier engines. If it has an integral head and manifolds its a 75-84 (and a junk head). If it has a separate intake manifold from the head it's a 74 and earlier. Again heads can interchange. Mybest guess 74 or earlier.

Casting number is on the block to the left of the distributor. But 250 blocks from 63-84 can have the same casting number.
http://home.znet.com/c1937/Cast.htm

 

[Grumpyoldman]

Hey Barebones,

What is the starter shim holding (or bolted too) on the top of the engine?

You could try here:

http://www.inliners.org/casting/numbers.html

And the one from DMW56 is also a very good site.

 

[barebones]

Hey guy's thanx for the info and links I found the casting numbers looked up the numbers and it is a 68-84 250 engine .It helps knowing what I'm working with!One other thing does anyone know what other car or engine that the thermostat housing would interchange with .I need to find a housing that is 180 degrees away from what I have .The housing exits to the driver side,I need to go straight up or to the driver side to go to my radiator

 

[Ratcrazy]

Take the housing to your local auto parts store and match it up there. Thats the easiest way. Good luck.