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Old 05-19-2010, 10:24 PM   #1
mazdarado
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Engine ID question

Okay so I just bought another truck. Supposedly a 69 model dually. But it has a 67 front end and c20 badges on the fenders. It has either a 283 or 327 in it, I don't know which. I can't find any info from the #'s. The only one I have is the one in front of the passenger side head. It's F0323GF. Can anyone help me?
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Old 05-19-2010, 10:27 PM   #2
leddzepp
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Re: Engine ID question

www.mortec.com
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Old 05-19-2010, 10:30 PM   #3
mazdarado
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Re: Engine ID question

I've been all over their site but can't find anything.
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Old 05-19-2010, 10:40 PM   #4
John H.
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Re: Engine ID question

You will probably need the casting number and the date code on the back of the block. You have a 1/3 chance it is a rare block.

1955 GF block is a 265 3sd w ac
1957 GF block is a 283 Fuel Injection motor for car
1965 GF block is a 283 powerglide

http://www.nastyz28.com/gm-chevy-cod...s-suffix-5.php
Start here and hope it is the FI 283 date code.....
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Old 05-19-2010, 10:54 PM   #5
mazdarado
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Re: Engine ID question

Quote:
Originally Posted by John H. View Post
You will probably need the casting number and the date code on the back of the block. You have a 1/3 chance it is a rare block.

1955 GF block is a 265 3sd w ac
1957 GF block is a 283 Fuel Injection motor for car
1965 GF block is a 283 powerglide

http://www.nastyz28.com/gm-chevy-cod...s-suffix-5.php
Start here and hope it is the FI 283 date code.....
Thank You!!! That is the page I was looking for!
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