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#2
11-09-2006, 09:53 AM
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Re: 1966 Chevelle
I'd have to respectfully disagree and chalk your experience up to bizarre coincidence.. 325 and 360hp 66 Chevelles almost always got 961 2 bolt blocks.. 375hp got the 4 bolt 962 block.. exceptions to all cases of course..
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#3
11-09-2006, 04:23 PM
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Re: 1966 Chevelle
If I recall correctly, back in the day, there was a service
bulletin issued by GM to all dealers alerting them to the fact that some of the 360hp engines used 4-bolt main blocks. I believe that this was done to avoid piston dome confusion ( collision ) with the oval port heads. I guess in a round about way I am saying that I believe both blocks were used across the 360hp application.
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#4
11-09-2006, 04:37 PM
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Re: 1966 Chevelle
Not denying both were used.. but wayyyy less 962 360hp than 961's... FACTORY INSTALLED 360's were predom. 2 bolt 961
Mike
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#5
11-09-2006, 06:33 PM
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Re: 1966 Chevelle
Kind of like the story about the 3 blind men trying to figure out an elephant. That my story and I'm going to stick with it.
 
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Jake is my grandson!!
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#6
11-09-2006, 06:39 PM
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Re: 1966 Chevelle
One of the reason I felt most were 4-bolt blocks I looked at block 15 years ago that was a 961 block with factoy 4-bolt mains and also was suffixed as a 360 hp.
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Jake is my grandson!!
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