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post #1 of 4 (permalink) Old 06-05-03, 05:30 AM Thread Starter
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Question Clevo head casting numbers.

Hi all.

Had my rocker covers of today and wrote down all the numbers that i could see on the heads.





Thats all i can see on there.

Can you tell what they are from these numbers? There is no 2 or 4 on the front corner.

Are they open or closed chamber etc etc?

Thanks guys


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post #2 of 4 (permalink) Old 06-05-03, 11:35 PM
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The casting number is underneath one of the intake runners. You need to take the intake manifold off and use a mirror.

Good luck
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post #3 of 4 (permalink) Old 06-05-03, 11:40 PM
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theres an easy way to see if they r closed or open chamber. Where the valves it a round hole, or is it like a funny squiggly shape? i might be wrong, but im was under the impression 4v heads only came out with open chamber...

here you can see a picture of both heads...the one on the left is open chamber, right is closed.
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post #4 of 4 (permalink) Old 06-06-03, 01:11 AM
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4V heads most certainly came with closed and open chambers. To be sure you need to have a look at the ports on the head to at least figure out if they are 2 or 4 V. I have seen plenty of 4V closed chambers with no '4' cast into them and plenty with.
The only way to be sure (in abscence of being able to decipher the part no) is to take the heads off
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