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Old 06-16-2005, 12:02   #1 (permalink)
Willis
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Re: Locate/Decode Casting Numbers on a 427 Side-Oiler

Sorry to drum up old issues (hehe) but could this possibly be a marine
or service block? Any way to definitely tell?

Thanks,

Jason

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Old 06-17-2005, 08:01   #2 (permalink)
walt peifer
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Re: Locate/Decode Casting Numbers on a 427 Side-Oiler


"Willis" <callmewillis@yahoo.com> wrote in message
news:1118945927.545269.68080@g49g2000cwa.googlegroups.com...
> Sorry to drum up old issues (hehe) but could this possibly be a marine
> or service block? Any way to definitely tell?
>
> Thanks,
>
> Jason
>

1965 C5AE-A,-D,-H
1966 C6AE-C
1966-67 C6AE--A,-B,-C,-D
1967 C7AE-A
1968 C8AE-A,-B,-H

SERVICE BLOCK WITH DIFFERENT ALLOY CONTENT INTRODUCED IN 1972 CARRIED C8AZ-G


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Old 06-18-2005, 10:03   #3 (permalink)
JohnJohnsn@mindspring.com
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Re: Locate/Decode Casting Numbers on a 427 Side-Oiler

walt peifer wrote:

> "Willis" <callmewillis@yahoo.com> wrote in message
> news:1118945927.545269.68080@g49g2000cwa.googlegroups.com...
>
>> Sorry to drum up old issues (hehe) but could this possibly be
>> a marine or service block? Any way to definitely tell?
>>
>> Thanks,
>>
>> Jason

>
> 1965 C5AE-A,-D,-H
> 1966 C6AE-C
> 1966-67 C6AE--A,-B,-C,-D
> 1967 C7AE-A
> 1968 C8AE-A,-B,-H
>
> SERVICE BLOCK WITH DIFFERENT ALLOY CONTENT INTRODUCED IN 1972
> CARRIED C8AZ-G


And the (Mercruiser) Marine block numbers are????

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Old 07-06-2005, 12:02   #4 (permalink)
Willis
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Re: Locate/Decode Casting Numbers on a 427 Side-Oiler


A coworker said that he suspects it's either a marine or service block.
He stated that some blocks of that type were 'finned' and that certain
machining took place. He pointed out the following pics to me on my
site. Any thoughts??? Any online documentation on marine/service
427s?


The fins on this picture:

http://us.f3.yahoofs.com/users/41b60...nVCzCBG4n2T.m0

And seen again here:

http://us.f3.yahoofs.com/users/41b60...sVCzCBOrkW1_ax

As well as the machined edge here (located in view as a vertical
speckled edge directly below the motor mount, and just to the right of
one of the cross-bolts):

http://us.f3.yahoofs.com/users/41b60...1VCzCBnklgw4PQ

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Old 07-06-2005, 12:02   #5 (permalink)
Willis
Guest
 
Posts: n/a
Re: Locate/Decode Casting Numbers on a 427 Side-Oiler


A coworker said that he suspects it's either a marine or service block.
He stated that some blocks of that type were 'finned' and that certain
machining took place. He pointed out the following pics to me on my
site. Any thoughts??? Any online documentation on marine/service
427s?


The fins on this picture:

http://us.f3.yahoofs.com/users/41b60...nVCzCBG4n2T.m0

And seen again here:

http://us.f3.yahoofs.com/users/41b60...sVCzCBOrkW1_ax

As well as the machined edge here (located in view as a vertical
speckled edge directly below the motor mount, and just to the right of
one of the cross-bolts):

http://us.f3.yahoofs.com/users/41b60...1VCzCBnklgw4PQ

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