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Jeffs54Merc
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Group: Forum Members
Last Active: 14 Years Ago
Posts: 95,
Visits: 469
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Randy, Once again, I am sorry you made that long trip for nothing. I am going to disassemble the engine and sell the parts. I wish this could have been your "needle in the haystack", but it wasn't. Just let me know your address and I will send you the oil pan tube.
Jeff Leydig
Stallions Auto Interiors
Stearns, Ky. USA
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randyh
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Group: Forum Members
Last Active: 3 Years Ago
Posts: 112,
Visits: 42.1K
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Made the trip on friday and unfortunately the block was cracked. Only pulled #2 and #4 caps and found two cracks from the bolt hole on the filter side of #4. Too bad, another 312 block bites the dust, so I am back to looking. Randy
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PF Arcand
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Group: Forum Members
Last Active: Last Year
Posts: 3.3K,
Visits: 238.8K
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Randy: thats a fairly long drive to look at it, so I'd suggest taking some tools & cleaning stuff with you. No point in hauling another dud block all the way back. Take the pan off & caps, & check the main areas at least with a magnifing glass.
Paul
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RB
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Group: Forum Members
Last Active: Last Month
Posts: 653,
Visits: 16.7K
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That is quite a co-incidence that you posted exactly at 312 pm
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randyh
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Group: Forum Members
Last Active: 3 Years Ago
Posts: 112,
Visits: 42.1K
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Here is a picture of the worst location, I counted 4 cracks in it: 12:00, 4:00, 7:00, 9:00. The worst ones at 4:00 and 9:00 go all the way to side and then can be seen 1/2" along sides. I guess this block is junk. 
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randyh
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Group: Forum Members
Last Active: 3 Years Ago
Posts: 112,
Visits: 42.1K
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Paul, I talked with another member yesterday, the 312 that he has for sale, which he verified by pulling the transmission, was cast in November 56 a little over a month earlier then mine but i doubt I can get any closer than that so I am going to pick it up next weekend and hope the block is not cracked. I am a little east of Pittsburgh, PA so it will be a little over an 8 hour drive. Randy
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PF Arcand
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Group: Forum Members
Last Active: Last Year
Posts: 3.3K,
Visits: 238.8K
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Randy: With the follow up info you supplied, it sounds like your block is unfortunately toast.. I might be mistaken, but I think you need the correct year casting letters for a start. The chart from www.Ford-y-block.com lists 1957 312 blocks as ECZ- 6015-C. With ECZ marked main caps. However, if equipped with EBU main caps it will be a 292. Also given shipping costs & difficulties,what area are you in?
Paul
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The Master Cylinder
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Group: Forum Members
Last Active: 4 Years Ago
Posts: 974,
Visits: 6.2K
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Hoosier Hurricane (8/11/2011)
Randy:
Since you are casting date conscious, don't throw away your present block yet. I have used blocks with cracks in the main bolt holes by drilling and tapping a little deeper and using longer bolts. If the cracks are on the oil passage side, be careful that you don't drill so deep that the longer bolt blocks the side oil passage. I have even done this on my drag engine. Have not experienced any main web failures. As Paul mentioned, the '56 mains were overtorqued from the factory, so it is possible it has run 50+ years with the cracks.That there is some information... Thanks John
 "The Master Cylinder"
Enjoying life at the beach in SOCAL 
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randyh
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Group: Forum Members
Last Active: 3 Years Ago
Posts: 112,
Visits: 42.1K
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Still haven't seen block,talked to shop again they tell me that some of the holes have multiple cracks. I can't get to shop until Monday, I'll post a picture of worse one once I see it. Randy
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paul2748
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Group: Forum Members
Last Active: Yesterday
Posts: 3.6K,
Visits: 497.5K
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Are the cracks on the same bearing? If only one per bearing you may be able to fix it. I had the same situation. However, the guy doing the rebuild said he could weld the cracks, drill and tap the bolt holes deeper and use studs (ARP) rather than bolts. I have been running the engine for three years now and took two long trips, buzzing along at about 3thou rpm and the motor is running great (knock on wood).
54 Victoria 312; 48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ
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