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Is it a 312 or 292??

Posted By Nighthawk756 13 Years Ago
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Nighthawk756
Posted 13 Years Ago
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John Mummert (5/11/2012)
I always hesitate before saying always or never when it comes to Y-Blocks. However, I have never seen a Dearborn 312. Every 312 I have ever seen was a Cleveland block. In fact, even the Dearborn 292's (EDB near distributor) are fairly rare. The vast majority of Dearborn blocks were 272's in 55-56-57.
Dearborn blocks were not made after 1957.

Thanks John....yeah I'm not holding out hope that it's a 312. But I'm still pretty excited about the EDB casting....I'm hoping it's one of those "rare" ones.

I'll be picking it up Monday since the salvage yard owner finally got it pulled out for me. Hopefully by Tuesday I'll be able to post some pics of it and the casting #'s after eyeballing it better. Cool

Brad
Odenville, AL

1955 Fairlane Victoria
1956 Ford F100 (Restoration Underway....slowly Doze )
2006 F150 SuperCrew

Nighthawk756
Posted 13 Years Ago
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Well, got the engine today. Casting numbers are 17 above EDB above DIF by the distributor. Also EDB by the generator....which reading Mummert's site said with that, it should be a '57. The main number is EDB-6015-A. But the heads have ECZ-B casting numbers which is a '56 number for 292's and 312's.



Got a line on a long block that "supposedly" is the original motor out of a '57 Fairlane....some Fairlanes in '57 had 312's Smile But at the very least it should have G heads. So I'll be getting it probably, can't pass it up at 100 bucks. It's be worth that for the heads alone. Wink

Brad
Odenville, AL

1955 Fairlane Victoria
1956 Ford F100 (Restoration Underway....slowly Doze )
2006 F150 SuperCrew
Nighthawk756
Posted 13 Years Ago
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Ok gurus, I've got one for ya....the "57 Fairlane" motor that I went and looked at is a 272. It's an ECG Dearborn casting but the heads are the later 5752-113 heads.

Was that a common thing back then to swap heads for performance?

What can you tell me about the 113 heads? Looks like they have the same larger valves as the G's but different cc.

Brad
Odenville, AL

1955 Fairlane Victoria
1956 Ford F100 (Restoration Underway....slowly Doze )
2006 F150 SuperCrew

GREENBIRD56
Posted 13 Years Ago
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The 113's are worth having - big intake valves and they are "posted" - have the re-inforced chamber deck.

Milling them flat would deal with the 3 cc's difference.......

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 Steve Metzger       Tucson, Arizona

The Master Cylinder
Posted 13 Years Ago
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If it is a '57 you should have gotten some "high lift" rocker arms with it also... unless those have been changed out too. Never know what you'll get with these old bad boys after all these years. w00t

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Nighthawk756
Posted 13 Years Ago
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Ok, did more research here on the forums regarding the 113 heads....seems that a hundred bucks for the longblock with the 113's is a good deal. So I'm going to snatch it up.

These quotes from the two main gurus sounded promising....

John Mummert (3/25/2010)
By less desirable I mean any head other than ECZ-G, -113 or -471. These are the only heads with a good lower port.

and....

Ted (3/26/2010)
grovedawg (3/25/2010)
Am I reading that right that all C heads are less desirable?
As John brings up, using the ECZ-G, 113, or 471 heads are the more desirable head castings in which to start with for any kind of serious performance.


Brad
Odenville, AL

1955 Fairlane Victoria
1956 Ford F100 (Restoration Underway....slowly Doze )
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Glen Henderson
Posted 13 Years Ago
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Welcome to the wonderful world of Y blocks Brad, you can't believe some of the mismatchs that guys on this forum as well as myself have found. You have to remember that some of them are almost 60 years old and no telling how many times parts or engines have been swaped around. One thing that you have to learn is that there is no such thing as a bad y block for $100 and that everyone out there thanks that the one he has came out of a 57 tbird. No telling how many times I have heard that one, by the way the 113 heads are a good score. I'm back home again, so fill free to call anytime.

Glen Henderson



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Nighthawk756
Posted 13 Years Ago
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Thanks Glenn, I may call you tonight.

Does the intake casting number tell you anything about what year intake it is? Haven't really found specific references to intake casting numbers. Guess the block or head references may work just as good. Going by them it could be 56 or 57. 58 or 59 if it was a truck intake.

The intake number is ECZ-9425-A

Brad
Odenville, AL

1955 Fairlane Victoria
1956 Ford F100 (Restoration Underway....slowly Doze )
2006 F150 SuperCrew

John Mummert
Posted 13 Years Ago
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The ECZ9425A is a 1956 4bbl. The heads are 56 also so it is possible that there were some EDB blocks made in 56. Try to find the date on the side of the block near the generator.

Dearborn date codes are a little weird but the first number should be the year. It will be interesting to see if it is a 6. I only list the EDB Dearborn blocks as 57's because all of them I've seen were 57. Doesn't mean they couldn't have made some in 56.

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Nighthawk756
Posted 13 Years Ago
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John Mummert (5/15/2012)
The ECZ9425A is a 1956 4bbl. The heads are 56 also so it is possible that there were some EDB blocks made in 56. Try to find the date on the side of the block near the generator.
Dearborn date codes are a little weird but the first number should be the year. It will be interesting to see if it is a 6. I only list the EDB Dearborn blocks as 57's because all of them I've seen were 57. Doesn't mean they couldn't have made some in 56.

Yeah, me and a buddy of mine were contemplating that today....that maybe it was a very late 56, hence the EDB DIF block and B heads.

Well, I was certainly hoping it was a 57 but it'll still be a great base to build from. Guess I can chunk the intake and get ready to buy one of yours John. BigGrin 

John, would that number be below the EDB-6015-A that's next to the generator? I'll have to scrub the block more to see it better but there's a number that looks like 59W:4 that's below the EDB number. That same number is also on the heads.

It'll be this weekend before I can look at it again. Tomorrow I'm headed to Pigeon Forge for the rest of the week for the F100 SuperNats and the Good Guys show in Nashville on Saturday.

John and Glenn and everyone else, thanks a ton for putting up with me and helping me out with this stuff. I'm new to the Y block stuff but I think I'm in love. Just something about these things entrigues me.

Brad
Odenville, AL

1955 Fairlane Victoria
1956 Ford F100 (Restoration Underway....slowly Doze )
2006 F150 SuperCrew



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