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Old 08-20-2013, 04:00 PM
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New to forum, need to identify 71' Camaro Engine

Hello Everyone,

My names Vic, I'm new to the forum and I joined because I had some questions about my 71' Camaro.

Im trying to figure out what type of Engine I have. I found one Number #3970010 meaning that I narrowed it down to a 327 Small block or 350 Small block. I cant however find the ID number that starts with a V? After searching the site I found that I should be looking for the ID in front of the Cylinders on the Passenger side, however there are no numbers there. Can anyone help? maybe there is another location where the number is? I can post pics if it helps

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Old 08-20-2013, 11:26 PM
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71 Camaros had 350s,if the engine is stock then its a 350. 69 was last year for 327s
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Old 08-21-2013, 01:18 AM
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Quote:
Originally Posted by Rockingcamaro View Post
Hello Everyone,

My names Vic, I'm new to the forum and I joined because I had some questions about my 71' Camaro.

Im trying to figure out what type of Engine I have. I found one Number #3970010 meaning that I narrowed it down to a 327 Small block or 350 Small block. I cant however find the ID number that starts with a V? After searching the site I found that I should be looking for the ID in front of the Cylinders on the Passenger side, however there are no numbers there. Can anyone help? maybe there is another location where the number is? I can post pics if it helps
Welcome to the forum, Vic. Below is a page that will help you ID your engine. One of the codes on the block in front of the passenger side head is the suffix code. It can be missing because the block was replaced by a new block or the numbers can be erased if the block was decked. You can still ID the engine by using the casting number (3970010), the date code and by visually inspecting it. You may never know the exact vehicle the engine came from w/o the suffix code, but for rebuilding it or buying parts for it you can say it's from the '71 Camaro.

The "010" block is one of the more common blocks and could be the original block to the Camaro. Most all are originally 350 cid (meaning the crank has a 3.48" stroke). Most cranks are cast but there were factory steel cranks, too. If the engine was in a high performance vehicle or was in a truck, bus or commercial vehicle there's a good chance it will have a 4-bolt main.

ID Chevy engines
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Old 08-21-2013, 11:48 AM
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Thanks for the information, it would make sense if the code is missing because the block was replaced. Ill have to ask the previous owner if that was the case and if he is aware of that. I guess the next thing would be to determine whether it has a 2-bolt or 4-bolt main. Ill keep you all updated on that and any other questions I have.
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Old 08-21-2013, 06:00 PM
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While a replacement block is a possibility, a more likely scenario is the block having been decked during a rebuild.

If you care if this is the original block you can use the trim tag to determine the car's build date. Then compare that to the engine's date code. The engine should have been built a little before the car. This wouldn't totally exclude the block as being a replacement, but would be a pretty good indicator to it's originality.
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