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Old 01-27-2005, 04:35:00 PM   #1
mulsane71z
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World S/R Heads - ID Please

I just picked up a used set of World S/R heads for my truck. Can anyone here tell me if they are 67cc or 76cc by the following info???

On head under valve cover area:

Right side of the head - S/R 1-052
Middle of head - 91 NH
Left side of head - W 11R

I contacted World and they were no help and told me to take them to a machine shop and have them CC'd.

Can anyone help?????

THANKS!!!!



[This message has been edited by mulsane71z (edited January 27, 2005).]
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Old 01-27-2005, 08:57:00 PM   #2
sikzdrivr
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So much for customer appreciation. Even if you did buy them used.

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Old 01-27-2005, 09:47:00 PM   #3
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Of course I could only ask questions via email, no phone to phone discussion. He was nice, just not real knowledgeable. Here's a couple photos.....





Any clue?????

[This message has been edited by mulsane71z (edited January 27, 2005).]
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Old 01-27-2005, 09:49:00 PM   #4
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Combustion chamber........

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Old 01-27-2005, 10:12:00 PM   #5
WildBillyT
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The set I used to have were 76cc, 1.94/1.50. World is right though, have them CC'd or buy a buret and do it yourself.

[This message has been edited by WildBillyT (edited January 27, 2005).]
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Old 01-27-2005, 10:12:00 PM   #6
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There should be some numbers on each end of the head that has an ID part number that World can cross and tell what you have.
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Old 01-27-2005, 10:34:00 PM   #7
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They look like open (76 cc) chambers to me.

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Old 01-27-2005, 10:57:00 PM   #8
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Rick,

FYI

I have a set that came on my Camaro. I pulled a valve cover and took down the numbers. I called World to see if they could tell me if I had 202 160 or 194 150 valves and what size cc heads. They told me the PN#s were all the same and I would have to pull a head to find out :-(

I could not believe that they did not have different casting numbers to denote the specs of the head. But according to the person I talked to there via telephone they don not.

At least your heads are off and you can find out easily. I am not going to know what I have until I pull the engine down.

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Old 01-28-2005, 05:00:00 AM   #9
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They are a pretty good budget head, IMO!
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Old 01-28-2005, 10:27:00 AM   #10
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I'm pretty sure that the cc will be stamped into the end of the head- not just a part number but an actual 76 or 67 hanging out by itself.

There's no way that any mass manufacturing company would ever stampe every single head they make with the same number. How would they know which one to pull off the shelf and ship to a customer?
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Old 01-28-2005, 03:31:00 PM   #11
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Thanks for the info guys, I really appreciate it....

On the end of both heads are CS 65988.

Crap.... I can't believe it's that hard, know what I mean???
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Old 02-01-2005, 12:50:00 AM   #12
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I ran into the same thing when trying to ID a set of World S/R heads mounted on a SBC that I got from a car that I was parting.

I called World to see if they could tell me 76 or 67cc. Nope. Have to take em off and have em cc'd. I did'nt beleive the guy so I called back the next day and spoke to someone else. He said the same thing. Same part number for either chamber head. The only way to tell accoring to World is to have em cc'd.
Who was the genius at World Products that came up with that?? Fire Him now.
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Old 02-01-2005, 11:18:00 AM   #13
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Quote:
<font face="Arial,Verdana" size="2">Originally posted by Damon:

There's no way that any mass manufacturing company would ever stampe every single head they make with the same number. How would they know which one to pull off the shelf and ship to a customer?
</font>

That's what I want to know.
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Old 02-01-2005, 05:33:00 PM   #14
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flash- Imagine the conversation......

Customer: "I need 1 set of your 67cc heads, and 1 set of your 76cc heads, please."

World sales rep: "OK. 4 cylinder heads. Anything else?"

Customer: "Um..... you understand I need different chamber sizes on the 2 sets of heads, right?"

World sales rep: "Oh, well, they're all the same anyway. They all have the same part number on them going out the door. We just tell people there are 2 different sizes to make them feel better about what they purchase. What we actually ship them is a roll of the dice. Frankly, even WE don't know what we're shipping."

Customer: "Thank you for your time."

And so on......
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78 Malibu. Inherited with only 35K on the odo! Mild 383 with Weiand 142 blower on top. Mid 12s appears to be the best it's gonna do on street rubber. Runs so good I may never drive it again.

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Old 02-01-2005, 09:50:00 PM   #15
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Really thats how it is! I really did call and talk to them. And I for one am not laughing. If you like I will go out in the garage and pull a valve cover and give you every number that is cast on the head and you can call them and see for yourself. Look at mulsane71z' pictures and call them up with his numbers.

If they tell you something different then please let us know. I know Rick would love to know what cc size his heads are and I would like to know what size my valves are without pulling a head off of a perfectly good running engine.

LMK if you want my numbers...wait a minute, check out this thread...

http://www.nastyz28.com/ubb/Forum8/HTML/007703.html

Later,

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