verifying DZ 302 - Team Camaro Tech
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post #1 of 4 (permalink) Old Dec 21st, 18, 12:54 PM Thread Starter
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Dan
 
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Question verifying DZ 302

I have a 69 Z-28 that I bought in 1987 from a friend. I was told at the time that it was the orginal motor but it had different heards and intake. It had be rebuilt with a different intake, carb, heads and cam. The motor had been decked before and I cannot see all of the numbers. The casting number is 3970010. The serial number on the front of the block that I can make out is CEOA487.
Can anyone help me determine if this is the orginal 302? I am also not sure what heads are on it. They are a double hump 202 head with the casting number of 3782461.


Thanks for any help anyone can provide.
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post #2 of 4 (permalink) Old Dec 21st, 18, 01:09 PM
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Re: verifying DZ 302

I believe the CE is Counter Exchange, a replacement engine probably replaced under warranty. So not the original engine to the car.

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post #3 of 4 (permalink) Old Dec 21st, 18, 01:30 PM
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Andrew is correct. It is a replacement engine. Over on the Chevelle site I was told "CE" stood for Chevrolet Engine. I have always called it counter exchange as well. I didn't argue it, because we all know what the engine is. The heads should have accessory holes. They look a lot like a 305 casting , except the humps are larger. Sorry the engine is not original to the car.

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1969 x-77 Z/28 orange/ white stripes, named by my daughter "Clementine ", M-22 close ratio, 4:10 12 bolt, CE 302. Hugger orange with white stripes. White standard interior. Restoration complete May 2018
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post #4 of 4 (permalink) Old Dec 21st, 18, 03:44 PM
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Re: verifying DZ 302

Welcome aboard Dan,
Here is a current thread on the CRG discussing warranty replacement blocks as you have.
CE motor stamping info

Chick
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