Engine Identification - Team Camaro Tech
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post #1 of 4 (permalink) Old Jan 22nd, 17, 07:32 AM Thread Starter
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Terry
 
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Engine Identification

Hi:


I'm trying to determine what the engine in my 68 Camaro come out of. I know it's not a numbers matching 327 but a 355 from a post found on team Camaro by guy who restored Camaro back in 2001. Here's what car is right now:


Iam running a 355 with Dart sportsman heads a mild cam, Hooker full lengthheaders and an Edelbrock RPM intake with a 3:73 diff, turbo 350 transmission.


Casting number (3970010) with aGM35 on back of engine by the bell housing driver side. Date casting is E65found on back of engine by the bell housing passenger side. The other casting identification located behinddistributor area T D N around a casting like a teardrop. Theres alsoa time casting consisting of 10 dots. I'll attach photos in the hope that it's means something in identifying engine.


CrankshaftPulley casting # 3972180 CE - was used on A/C Cars 350 400 1971-76 CHEVY full size according to
chevellestuff.net. Motor was manufactured in 1975 so can I assume it was used on a 1976 model? That being said I found pulley for sale on eBay that's compatible with 22 vehicles from 1971-76. The only 76 models are Impala or Caprice.


Any help in figuring all this out would be greatly appreciated. I've found out so much about this 1968 Camaro to know it has a very rich history. It's gone through 15 people and in 1979 was in an accident and written off. It's still around and in great shape for a car almost 50 years old.


Regards:
Terry
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post #2 of 4 (permalink) Old Jan 22nd, 17, 08:12 AM
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Dave
 
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Re: Engine Identification

Post the application code from the front of the engine block ID pad. It will tell you when and where it was assembled what it was installed in originally and the configuration of the carburation and transmission.

It will consist of three letters if it is a block cast after 1970 and two letters if made before 1970. As an example it is the famous DZ code that distinguishes a 302 out of a 1969 Z that was stamped there.

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post #3 of 4 (permalink) Old Jan 22nd, 17, 08:27 AM Thread Starter
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Terry
 
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Re: Engine Identification

Hi Big Dave:

Thanks for your reply. I've tried without any success to get partial vin from front ID pad (4 1/2" in width) and forgot to mention front pad has been machined and there are no other partial vin numbers visible on this block. All I've mentioned in my post is what I was able to read about and find.

Terry
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post #4 of 4 (permalink) Old Jan 22nd, 17, 01:05 PM
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Re: Engine Identification

Looks like it was cast May 6, 1975 so its a 1975 model year block.

The 3970010 block was used from 69-79 for 302,327 and 350 applications. Depends on what crank you have. If the previous owner says 355 it more likely a 350 that's been bored.

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