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I'm looking for a big block short block. 383,400,440 it doesn't matter which. I am looking for something that is ready for final assembly, and a used short block is fine. I need something in the 9-10:1 compression ratio with my 85cc heads on it. It needs to be within 3.5 hours from Huntington...

I will be replacing those. Lol.

I was told the engine had about 10k sonce the rebuild in the 90's. He totaled the car and has been robbing bits off the engone for other engines. ( there were 3 rebuilt 400's and a roadrunner being restored in the garage). The heads had been off the engine for about 9 years. There is very...

I was told there was about 10k on it since it was done.

A few more.

Here is what I found so far. I cc'd the chambers at 85 and the intake valves have a lot of carbon on top of them. Here's a bunch of pictures of them and the ports for future reference.

Will do. I'm sure someone else will want this info eventually so I'll get pics of it's bowl and runners and put them side by side with the more common 452 ones as a comparison.

I have to go pick up a spring compressor then I'll check the bowls. I know they didn't touch the ports since it looks like there is a pentastar in a few of the intake runners. I am going to use them since I have them. I didn't really make the post to see if people like those heads or not, I...

I have no idea and I don't really want to pull the 906 off the 440 in this weather to compare the bowl area. I'll compare it to a set of 452's I have in my garage tomorrow though.

2951250 It was identical to the one on top.

Here are all the markings on the heads.

I'll get casting number pictures for you guys tonight. There is a trashed set on ebay right now, but I haven't seen any others besides that.

I am looking for some info on a set of heads I have. I am rebuilding a 1968 383 and the heads that I got with them have a 250 casting number. I have done some googling and searched through old forums on here and all I know for sure is that they are 1968 383 only as the other big blocks got...

I called Hughes earlier today and they suggested I run their part number SEH2832BL-10. This is one of the ones I was looking at anyhow so I will probably get that and take their advice and run a slightly thicker head gasket.

Hot Rod says differently How To Tell A Cast Crank From A Forged Crank - Hot Rod

The 73 and later engines had cast steel, not cast iron. That is a common misconception since most people just say cast and not cast steel though.

If I get 30-40K hard miles out of that engine I'll be happy.

They all have steel cranks. This 440 was a forged steel crank and it has already had the crank shaved once. It also ran on 0 psi of oil for about 2 miles before I had the chance to pull off the one lane country rode I was on so I don't know how bad everything else inside is yet. I also don't...

I'm building the 383 because to put in the truck while I rebuild that 440 to put in my next project. And the 383 with the worked heads was only $500, while a new rotating assembly for the 440 is out of my price range right now.

The 250 heads were only on 1968 383's. I could find almost no information on them from internet other than that.