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Old 04-25-2016, 04:48 AM   #1
brut
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engine identification c20 1966

hi, i am not sure what kind of engine sits in my c20.

originally it was a 283ci ,i find the code WC on the sheet in the seat

the engine has a rebuild plate with measurements.

the manifold 3877652 is from 1965 and were use on 283/327.

and i find these numbers on the engine...




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Old 04-25-2016, 07:12 AM   #2
brut
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Re: engine identification c20 1966

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Old 04-25-2016, 09:20 AM   #3
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Re: engine identification c20 1966

F1118HC decodes as
F---Flint
1118--- November 18th
HC--- Look here--
http://www.nastyz28.com/gm-chevy-cod...s-suffix-5.php

The other number could be the rebuilders stamping.
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Old 04-26-2016, 12:03 AM   #4
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Re: engine identification c20 1966

It's more than likely a 327, which is real good in my opinion. The block casting number will confirm that.
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Old 04-26-2016, 09:14 AM   #5
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Re: engine identification c20 1966

Do you mean the number on the driver side where the transmission ist mounted to the engine block?
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Old 04-26-2016, 09:53 AM   #6
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Re: engine identification c20 1966

Quote:
Originally Posted by brut View Post
Do you mean the number on the driver side where the transmission ist mounted to the engine block?
Yes!!
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Old 05-08-2016, 05:07 PM   #7
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Re: engine identification c20 1966

i found 3782870 , looks i have a 327ci
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Old 05-09-2016, 02:22 PM   #8
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Re: engine identification c20 1966

head casting nr. 3795896

L263
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Old 05-10-2016, 12:59 AM   #9
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Re: engine identification c20 1966

Those are small combustion chamber and small valve 'Power Pak' heads.

http://www.mortec.com/castnum.htm
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