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10-25-2012, 09:37 PM
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#1 |
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Registered User
Join Date: Apr 2011
Location: Great State of Texas
Posts: 410
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327 4 bolt main
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10-25-2012, 10:23 PM
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#2 |
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Registered User
 Join Date: Aug 2008
Location: greeley colorado
Posts: 1,360
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Re: 327 4 bolt main
i have never seen one i thought early small blocks are small journal. and all 2 main caps ? i thought large journal came out in 68 . the block is dated 65 the casting number is a 62-67 327 small journal .
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10-25-2012, 11:37 PM
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#3 | |
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Registered User
Join Date: Nov 2010
Location: Meridian, Idaho
Posts: 422
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Re: 327 4 bolt main
I have a book that says it's a 62 or 63, but I wonder if someone machined it into a 4 bolt main and he doesn't know it.
Quote:
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1963 Chevy stepside 327 1965 Chevy swb 383 1996 Mystic Mustang Cobra 2009 Pontiac G8 GXP 415hp/415tq 6speed |
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10-25-2012, 11:58 PM
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#4 |
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60-66 Nut
  Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,252
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Re: 327 4 bolt main
I have never seen or heard of a small journal 4 bolt block from GM. That description is a little confusing. First he talks about large journal over the counter 4 bolt blocks in '69. Then he goes on to say that he built a '66 327. So just what is it that he is selling?
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10-26-2012, 10:03 PM
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#5 |
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Senior Member
Join Date: Dec 2004
Location: Southern Pines NC
Posts: 3,853
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Re: 327 4 bolt main
I have been hearing this debate since I started High School 1974. As far as anybody that I would trust their opinion is that there were no 4 bolt small journal blocks. As per Malcolm Durham, he raced out of Hyattesville MD , down the street from my brother's shop and Grumpy Jenkins, met at a car show. Plus several profession Machinists.........and I think,only my opinion, that all 4 bolt large journal blocks were 4 inch bores, generation 1 small blocks
Steve |
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10-26-2012, 10:06 PM
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#6 |
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C/10 junkie
Join Date: Nov 2010
Location: Stockton Ca
Posts: 9,093
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Re: 327 4 bolt main
Its been my understanding that there were no factory 4 bolts until the 350 was introduced.
Posted via Mobile Device
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Shawn 70 LWB C10 current driver/project http://67-72chevytrucks.com/vboard/s...d.php?t=663051 68 SWB C10 Work in progress.....SOLD http://67-72chevytrucks.com/vboard/s...d.php?t=559520 72 LWB C10 Sold 71 LWB C10 Sold 68 LWB C10 CST Sold http://youtu.be/kbB0QrBIs9k My mom always had the best advice. It was just a tad late. After a fall that involved blood, she'd say....."Careful!" 
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10-26-2012, 10:32 PM
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#7 |
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Registered User
Join Date: Aug 2010
Location: Melville Saskatchewan
Posts: 99
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Re: 327 4 bolt main
Massey Ferguson combine........
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