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Old 05-13-2002, 07:35 PM   #1
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can anyone help w/heads cc
can anyone supplie text info on the combustion chamber size on a 79 305 2 bbl. out of a camaro cause I suspect they are 60cc but require documentation so I dont mess up I checked the casting number but the one on the heads was not listed anywhere I could find but I dont have it with me now
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Old 05-13-2002, 09:26 PM   #2
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What's the casting #?

The majority of 305 heads are 58cc. Havent ever measured a 60cc 305 head before.
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Old 05-14-2002, 06:55 AM   #3
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the casting number was on the desk in my office sorry i should know better
the number is 378450 but it was very hard to read and i may not have it rightbut I had determined that that was as close as I was going to get but if you look you may find its a digit short
I looked all over the internet and couldnt find it called GM they dont keep the info anymore and the guys at jegs hadn't heard of it. so if you can find the cc's on these heads it would be helpful

thanx
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Old 05-14-2002, 07:04 AM   #4
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I think you mean these..

376450.....75-81...262/267/305..6 or 7 exhaust bolt holes, 60cc chamber
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Old 05-14-2002, 05:00 PM   #5
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you got it
thanx so much you are right thats got to be it
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Old 05-14-2002, 05:00 PM
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