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Old 09-17-2013, 12:24 PM   #1
rreistino7
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Default 800hp 509 bbc

Looking to build a 509 that will make 800-850hp right now I have a dart big m Callie's 4in stroke crank and a set of Canfield 310 heads that have had some work right now heads and crank are in my 468 that made 697hp what parts would I need to get my goal out of a 509
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Old 09-17-2013, 12:29 PM   #2
CamKing
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Default Re: 800hp 509 bbc

Need to see the flow numbers on the heads. "had some work" could mean anything, and that's going to be the biggest factor for making 800hp.
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Old 09-17-2013, 12:37 PM   #3
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Default Re: 800hp 509 bbc

That's the bad thing is I don't know what's been done my builder said he did some work to them and the guy never picked them up so I bought them
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Old 09-17-2013, 12:42 PM   #4
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Default Re: 800hp 509 bbc

Quote:
Originally Posted by rreistino7 View Post
That's the bad thing is I don't know what's been done my builder said he did some work to them and the guy never picked them up so I bought them
talk to Scott Foxwell...he's done some work with the Canfield heads.....he built my 509....AFR 305 heads...Straub hyd roller...11.4 to 1....made 764 at 6200....800+ would be easy with some compression and or a solid roller...
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Old 09-17-2013, 12:59 PM   #5
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Default Re: 800hp 509 bbc

Ya it will be solid roller with 13.5-14:1 comp
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Old 09-17-2013, 01:34 PM   #6
CamKing
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Default Re: 800hp 509 bbc

Quote:
Originally Posted by rreistino7 View Post
That's the bad thing is I don't know what's been done my builder said he did some work to them and the guy never picked them up so I bought them
It would be well worth the $100 to have one of the heads put on a flow bench. That head could flow anywhere from 350cfm to 420cfm.
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Old 09-17-2013, 01:44 PM   #7
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Default Re: 800hp 509 bbc

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Originally Posted by CamKing View Post
It would be well worth the $100 to have one of the heads put on a flow bench. That head could flow anywhere from 350cfm to 420cfm.
^^^this...the heads will be key to what cam it needs...
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slooow motion...1.43 back tires...

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Old 09-17-2013, 02:01 PM   #8
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Default Re: 800hp 509 bbc

Yes give Scott a call, he's the man on canfields! I run them on 511 4.250x4.375 been 8.77 @2700
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