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Pre magnunm 308 heads. What's the CC? #1603881 04/06/14 10:16 AM 04/06/14 10:16 AM
Joined: Aug 2004 Posts: 8,087 Elk Grove, Calif. B bigblock340power OP master
bigblock340power OP master B Joined: Aug 2004 Posts: 8,087 Elk Grove, Calif.	Does anyone know the CC (or have CC'd a set) of the production pre-magnum 308 heads? The heads that came on production 360 engines 1987-92 (I think those are the years, anyway the ones just before the Magnum engines came out). Thanks

Re: Pre magnunm 308 heads. What's the CC? [Re: bigblock340power] #1603882 04/06/14 11:43 AM 04/06/14 11:43 AM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	As you know they are open chambered. I think I have the nominal CC number wrote down somewhere (assuming you're good with a nominal ballpark figure) live every 24 hour block of time like it's your last day on earth

Re: Pre magnunm 308 heads. What's the CC? [Re: RapidRobert] #1603883 04/06/14 02:09 PM 04/06/14 02:09 PM
Joined: May 2003 Posts: 15,487 Florida S scratchnfotraction I Live Here
scratchnfotraction I Live Here S Joined: May 2003 Posts: 15,487 Florida	about the same as all open chamber 360 heads. the exhaust port is what changed to make it the better flowing head. they are also prone to cracking with low casting #s to be had.

Re: Pre magnunm 308 heads. What's the CC? [Re: RapidRobert] #1603884 04/06/14 03:29 PM 04/06/14 03:29 PM
Joined: Aug 2004 Posts: 8,087 Elk Grove, Calif. B bigblock340power OP master
bigblock340power OP master B Joined: Aug 2004 Posts: 8,087 Elk Grove, Calif.	Quote: As you know they are open chambered. I think I have the nominal CC number wrote down somewhere (assuming you're good with a nominal ballpark figure) Yes, that would be fine. Thanks

Re: Pre magnunm 308 heads. What's the CC? [Re: bigblock340power] #1603885 04/06/14 04:02 PM 04/06/14 04:02 PM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	72 CC live every 24 hour block of time like it's your last day on earth

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