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#11
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Re: Block Casting Numbers
The casting date could have been changed also. I am sure the 8 in the J-10-8 is right. The 10 looks suspect. Thanks for all the replies.
Sherm
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69z2x4s 69vette |
#12
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Re: Block Casting Numbers
Hi Steve:
We are going to have to rewrite that book I think for them. See I am still 100% convinced they made a 4 bolt 512 oval port since I sold one undrilled for oil cooler and seen two pictures of others since. The Judge may say no but I know now what I had. With this 854 block the first link would not suprise me to be wrong but not the nastyz one or I have found at least three other lists the same.I still have some 402 and early 454 blocks that are not 512 but they are buried. I will see what else I can locate also and between us we will figure this one out. take care Joe |
#13
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Re: Block Casting Numbers
Joe,
I would love to meet anyone ( still around ) that worked at the Tonawanda facility one machining operations for the big blocks. I've got tons of questions I'd like to get answers to. Anyone know if any of these guys are still around? I could imagine a block being drilled & tapped for 4-bolt mains if someone just goofed. Can't imagine it would hurt anything. But I'm positive that all the SHP blocks, which were 4-bolt mains, were also drilled for the external oil cooling provision. I'd be shocked if an original SHP engine was found with 4-bolt mains and no external oil cooling provision. Steve
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#14
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Re: Block Casting Numbers
Would be nice to talk to someone agree. I just know I had one out of a big 70 impala of all things and there was pictures of two more posted on this site after.I thought I sent them to you. One was a marine engine but the other was not.
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#15
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Re: Block Casting Numbers
STEVE; Have you ever talked to any one that worked in a GM plant back in the day? My brother-in-law worked in the Norwood Plant in 1969 and most likely assemdled some of the cars we talk about here. He was a Marine in NAM in 67. He does not want to talk about that either.
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69z2x4s 69vette |
#16
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Re: Block Casting Numbers
Pretty interesting stuff.
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#17
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Re: Block Casting Numbers
[ QUOTE ]
STEVE; Have you ever talked to any one that worked in a GM plant back in the day? My brother-in-law worked in the Norwood Plant in 1969 and most likely assemdled some of the cars we talk about here. He was a Marine in NAM in 67. He does not want to talk about that either. [/ QUOTE ] Sherm, No, I haven't. But like I wrote earlier in this thread, I'd love the opportunity to dig a lot deeper into this subject.
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#18
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Re: Block Casting Numbers
Thanks for all the input guys. I don't know if i will ever figure this one out. 396?85? date??8 4 bolt main, tall dist boss. Sherm
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69z2x4s 69vette |
#19
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Re: Block Casting Numbers
Any chance of posting a few pictures of the dates etc???
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