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Predator-Z ported 317s for his boosted engine

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Old 09-07-2007 | 03:26 PM
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Default Predator-Z ported 317s for his boosted engine

Just got em back from the machine shop being pressure checked/machined/assembled with his springs and stock valves. Lookin forward to gettin em shipped off monday


Old 09-07-2007 | 04:09 PM
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Bo any numbers on these heads?
Old 09-07-2007 | 04:24 PM
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nice work
Old 09-07-2007 | 04:50 PM
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Look great! How much do charge to port a set of heads?
Old 09-07-2007 | 04:56 PM
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Wow that looks great! I have a set of stock 317s laying aorund with upgraded springs. What would it cost to send em to you and have the same work done and reassembled and sent back to me? This would be for my D1SC blown 370.
Old 09-07-2007 | 05:12 PM
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Wow.. those are nice!
Old 09-07-2007 | 09:15 PM
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they look good!
Old 09-08-2007 | 03:13 AM
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Thanx
I didnt flow em so I dont know what the actual #s would be. I usually charge $650 for a job with chamber work but I didnt do any on this setup.
Old 09-08-2007 | 03:38 AM
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yummy,
They look sweet Bo, they will make some good power on the C6 (8>10 psi) stock cam, with a maggie puffer.
This is not an all you can be motor, but a nice reliable 6.0 that will dish out a comfy 480>500 rwhp.

Thanks again for the beautiful work and all your time spent BO.
Old 09-08-2007 | 08:50 AM
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Excellent job again Bo! I would shake your hand if I could.
Old 09-08-2007 | 08:52 AM
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good work bo. what did you come up for volumes? int/exh.
Old 09-08-2007 | 10:53 AM
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Where did the swirl inducer go ?
Old 09-08-2007 | 11:30 AM
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Its gone, no longer needed for the application.
Old 09-08-2007 | 06:14 PM
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How are you going to keep the fuel from puddling ?or do you think the blower will create enough port swirl to negate the effect ?



Originally Posted by Bo White
Its gone, no longer needed for the application.
Old 09-08-2007 | 06:26 PM
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I usually take the ramp out anyway except on the larger LS6 style ports on 243s and 317s but on a supercharger application I wouldnt worry about it. Hardly any of the aftermarket heads have it.
Old 09-08-2007 | 06:31 PM
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That could explain the crappy BSFC numbers I frequently see out of alot of heads.


Originally Posted by Bo White
I usually take the ramp out anyway except on the larger LS6 style ports on 243s and 317s but on a supercharger application I wouldnt worry about it. Hardly any of the aftermarket heads have it.




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